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biology year10

Total questions: 190

Worksheet time: 3hrs 6mins

Name
Class
Date
1.

Chemical used to test starch

a)

Potassium hydroxide

b)

Iodine

c)

Sodium hydroxide

2.

This food item is rich in

a)

Fat

b)

Proteins

c)

Carbohydrates

3.

This prevents constipation

a)

Fat

b)

Vitamins

c)

Fiber

4.

This prevents constipation

a)

Fat

b)

Vitamins

c)

Fiber

5.

Who paved way to the nutrition

a)

Lavoiser

b)

Lind

c)

Pasteur

6.

When dal is tested for protein test ,the colour changes to

a)

Red

b)

Voilet

c)

Green

7.

The food that damages our digestive system is

a)

Noodles

b)

Ice cream

c)

Banana

8.

Which food item is helpful for bodybuilding

a)

Fat

b)

Proteins

c)

Vitamins

9.

Scurvy can be cured by

a)

Eggs

b)

Fresh fruits and vegetables

c)

Carrot

10.

We must drink _________liters of water everyday

a)

2 lts

b)

10 lts

c)

5 to 6 lts

11.

Decomposer organisms break down dead organisms, providing energy to carnivores

a)

true

b)

false

12.

What is composed of several food chains in an ecosystem that intersect and depend on one another?

a)

niche

b)

feeding level

c)

energy pyramid

d)

food web

13.

What is the ultimate source of energy in any food chain?

a)

the sun

b)

producers

c)

consumers

d)

decomposers

14.

Which organisms can be found at the first, or lowest, trophic level?

a)

herbivores

b)

carnivores

c)

heterotrophs

d)

autotrophs

15.

Herbivores eat only meat.

a)

true

b)

false

16.

Food flows along a food chain from consumers to producers to decomposers.

a)

true

b)

false

17.

Which situation is a biotic factor operating within an ecosystem?

a)

the kind of climate in a given region

b)

carnivores that eat other animals

c)

the concentration of hydrogen gas in the air

d)

the rate of water flow in a body of water

18.

Weather (such as rain) and soil conditions are considered to be part of the ____________ factors of an ecosystem.

a)

biotic

b)

antibiotic

c)

abiotic

d)

biomass

19.

All the nonliving things in an environment are called the ________ factors.

a)

abiotic

b)

biotic

c)

ecological

d)

inorganic

20.

A certain plant needs moisture, carbon dioxide, oxygen light, and minerals to survive. This scenario shows that a living organism depends on

a)

biotic factors

b)

abiotic factors

c)

symbiotic relationships

d)

carnivore-herbivore relationships

21.

All are considered to be abiotic factors EXCEPT

a)

moisture

b)

air currents

c)

predators

d)

temperature

22.

During a long period when there is no rainfall, a mountain lion may temporarily leave its usual hunting territory to drink from a farm pond. To what is this behavior probably due?

a)

its need to find different foods to eat

b)

the change in an abiotic factor in its environment

c)

its need to find a new habitat

d)

the change in a biotic factor in its environment

23.

What is an example of a biotic factor?

a)

water

b)

grass

c)

soil

24.

Which of these phrases describes the biotic factors of an ecosystem?

a)

the number of individual organisms in each trophic level of an ecosystem

b)

any living part of an environment

c)

an organism that eats only meat

25.

Which of these is NOT true of organelles(cell parts)?

a)

Organelles perform a certain function for a cell.

b)

Organelles are membrane-enclosed structures in a cell.

c)

Organelles are all the same inside a particular animal.

d)

Organelles are separated from the other parts of the cell.

26.

Which of these is most commonly the largest structure inside an animal cell?

a)

endoplasm

b)

nucelus

c)

DNA

d)

ribosomes

27.

How do mitochondria regulate energy in a cell?

a)

Mitochondria transfer energy between cells as energy is needed.

b)

Mitochondria convert energy in nutrients into usable energy.

c)

Mitochondria absorb and convert energy from the sun.

d)

Mitochondria convert energy from the nucleus into usable energy.

28.

Which of these is NOT a unique structure to plant cells?

a)

cell wall

b)

central vacuole

c)

chloroplas

d)

nucleus

29.
What is the function of the cell nucleus found in both plant and animal cells?
a)
to produce energy
b)
to control cell activity
c)
to remove waste products
d)
to allow molecules to enter the cell
30.

All cells need energy (ATP) to function. Which cell organelle is responsible for producing energy in the cell? "The Powerhouse"

a)

chloroplasts

b)

mitochondria

c)

nucleus

d)

vacuoles

31.

Where do new cells come from?

a)

other cells

b)

nucleus

c)

Golgi body

d)

macrophages

32.

Because they share similar structures, cells all carry out the same function.

a)

True

b)

False

33.
Directs all cell activities through the DNA located there.
a)
Lysosomes
b)
Nucleus
c)
ribosomes
d)
Mitochondria
34.

what is marine biology?

a)

The study of marine life

b)

The study of animals

c)

swim racing

d)

deep sea diving

35.

why do we need marine biologist?

a)

they study frogs and animals in the rain forest

b)

they study ants and how strong they are.

c)

we don't need them they get payed to swim around and have fun

d)

they study marine life and give information about them to help us and the marine life stay safe.

36.

Which on of these represents from smallest to largest in which all organisms are organized?

a)

Organism, cell, organ, organ system, tissue

b)

Cell, tissue, organ, organ system, organism

c)

Cell, organism,organ system, organ, tissue

d)

Tissue, organ, organ system, cell, organism

37.

Every day your body takes in food and breaks it down into usable materials. The system responsible for performing this task is the

a)

skeletal system

b)

muscular system

c)

digestive system

d)

urinary system

38.

The system that provides movement, support, and blood cells to the body is?

a)

skeletal system

b)

muscular system

c)

digestive system

d)

urinary stystem

39.

Red blood cells are made in the?

a)

heart

b)

bone marrow

c)

kidneys

d)

brain

40.

This helps provide movement for the human body?

a)

respiratory system

b)

muscular system

c)

urinary system

d)

digestive system

41.

Which type of waste is removed by the respiratory system?

a)

carbon dioxide

b)

bile

c)

urine

d)

amino acids

42.

The system that provides oxygen to the cells is the

a)

digestive system

b)

muscular system

c)

urinary system

d)

respiratory system

43.

This system involves the mouth, stomach, intestines, liver and pancreas

a)

respiratory system

b)

urinary system

c)

digestive system

d)

skeletal system

44.

During cellular respiration, your cells use oxygen and sugars to create ________________________which can be stored in the Mitochondria.

a)

food

b)

energy

c)

urine

d)

waste

45.

This system is responsible for breaking down food so that the body can absorb important nutrients for life.

a)

respiratory system

b)

digestive system

c)

urinary system

d)

circulatory system

46.
How many types of body tissue are there
a)
1
b)
2
c)
3
d)
4
47.
What is the correct order of organization
a)
cells->tissue->organs->organ systems-> organism
b)
tissue->cells->organs->organ systems-> organism
c)
organs->organ systems-> organism->cells->tissue
d)
cells->tissue->organs->organism->organ system
48.
This is a example of ........
a)
cell
b)
tissue
c)
organ 
d)
organ system
49.
This is a example of ........
a)
cell
b)
organ system
c)
organ
d)
tissue
50.
This is a example of........ 
a)
organ system
b)
cells
c)
organ
d)
tissue
51.
What is involuntary contractions of voluntary muscles to warm up?
a)
Shivering
b)
Sweating
c)
Vasodilation
d)
Vasoconstriction
52.
How does the body balance blood sugar levels when glucose gets too high?
a)
Sweating
b)
Shivering
c)
Filtering in the kidneys
d)
Producing more insulin
53.
What is the name of the genetic material that is inside the nucleus?
a)
ER
b)
ATP
c)
YOLO
d)
DNA
54.
Which of the following structure can be found in a plant cell but NOT an animal cell?
a)
vacuole
b)
nucleus
c)
chloroplast
d)
mitochondria
55.
How does a cell maintain homeostasis?
a)
Regulates what enters and leaves the cell
b)
Flexibility
c)
Protective barrier
d)
Structure and support
56.
The basic unit of life is
a)
photon
b)
nutron
c)
organism
d)
cell
57.
Where is the DNA found in a eukaryotic cell? 
a)
floating around in the cytoplasm 
b)
in the nucleus 
58.
Who was the person who used his microscope to observe a thin slice of cork, and concluded that the cork was made up of cells?
a)
Robert Hooke
b)
Bill Nye
c)
Matthias Schleiden
d)
Rudolf Virchow
59.
When looking at a specimen on your slide, you should always start with the
a)
low objective lens
b)
medium objective lens
c)
high objective lens
d)
super extra high power lens
60.
Cells need oxygen for
a)
diffusion
b)
cellular respiration
c)
photosynthesis
d)
osmosis
61.
maintaining a stable internal environment
a)
diffusion
b)
osmosis
c)
cellular respiration
d)
homeostasis
62.
Which system absorbs oxygen and releases carbon dioxide?
a)
respiratory
b)
excretory
c)
endocrine
d)
immune
63.
This system breaks down food into nutrients the body can absorb.
a)
digestive
b)
excretory
c)
reproductive
d)
immune
64.
Major organs of the nervous system
a)
Kidneys, nephrons
b)
Stomach, intestines, mouth
c)
Heart, blood vessels, blood
d)
Brain, spinal cord, nerve
65.

Which one describes the function of the nucleus?

a)

Site of cellular respiration

b)

Site of protein synthesis

c)

Site of cellular function

d)

Site controlling passive transport

66.

A cell that has a cell wall could be from a plant or an animal cell

a)

True

b)

False

67.

What is the order of the organs in the digestive system?

a)

Oesophagus, Stomach, Large intestine, Small intestine, Mouth

b)

Mouth, Oesophagus, Stomach, Small intestine, Large intestine

c)

Stomach, Large intestine, Oesophagus, Mouth, Small intestine

d)

Mouth, Stomach, Oesophagus, Small intestine, Large intestine

68.

What enzyme breaks down lipids?

a)

Carboyhydrases

b)

Proteases

c)

Lipases

69.

Which letter is the small intestine?

a)

A

b)

B

c)

C

d)

D

e)

E

70.

Where are faeces stored?

a)

large intestine

b)

rectum

c)

small intestine

d)

anus

71.

Where is excess water absorbed into the blood?

a)

A

b)

B

c)

C

d)

D

72.

Why do we need carbohydrates in our diet?

a)

Provide energy

b)

For growth and repair

c)

Insulation

d)

Help move food through the gut

73.

What is the role of digestive enzymes?

a)

To absorb nutrients into the blood

b)

To absorb excess water from food that has not been digested

c)

To break down large, insoluble molecules into smaller, soluble molecules

d)

To synthesise larger molecules from the food we eat

74.

What helps food move through the gut and can't be broken down by our digestive system?

a)

Carbohydrates

b)

Protein

c)

Fats/Lipids

d)

Fibre

75.

What enzyme would break down pasta?

a)

Protease

b)

Carbohydrase

c)

Lipase

76.

What are the digestive enzymes?

a)

Protein, Carbohydrate, Lipid/Fat

b)

Amino acids, sugars, fatty acids and glycerol

c)

Protease, Carbohydrase, Lipase

d)

Protonene, Carbohydronene, Lipene

77.

What are the conditions of the stomach?

a)

pH 1-5

b)

pH 6-7

c)

pH 8-11

d)

pH 12-14

78.

Where are nutrients absorbed into the bloodstream?

a)

A

b)

B

c)

C

d)

D

e)

E

79.

Is chewing your food an example of mechanical or chemical digestion?

a)

Mechanical Digestion

b)

Chemical Digestion

80.

Amylase is found in your saliva. What is it?

a)

A protein

b)

A cell

c)

A carbohydrate

d)

An enzyme

81.

What is the acronym used to remember the 7 characteristics of living things?

a)

MRS BROWN

b)

MRS GREN

c)

MR FAB

d)

MISS GREEN

82.

Respiration is...

a)

Releasing energy from food using oxygen

b)

Producing waste

c)

Responding to changes in the environment

d)

Producing offspring

83.

Sensitivity is...

a)

Getting bigger in size

b)

Responding to changes in the environment

c)

The requirement of energy

d)

Releasing energy from food using oxygen

84.

The 3 parts of an animal cell are...

a)

Cytoplasm, Nucleus and Cell Wall

b)

Cell Wall, Cell Membrane and Cytoplasm

c)

Nucleus, Cytoplasm and Cell Membrane

d)

Nucleus, Cytoplasm and Chloroplast

85.

Which of these does an animal cell NOT have?

a)

Nucleus

b)

Chloroplast

c)

Cytoplasm

d)

Cell Membrane

86.

A vacuole is found in plant cells and not animal cells - true or false?

a)

True

b)

False

87.

Which part of the cell controls the cell and holds genetic information?

a)

Nucleus

b)

Vacuole

c)

Cytoplasm

d)

Cell Membrane

88.

Which part of a cell lets substances into and out of the cell?

a)

Chloroplast

b)

Cell Wall

c)

Cell Membrane

d)

Nucleus

89.

Which objective lens do you start with when looking at a slide under the microscope?

a)

Low power (x4)

b)

Medium power (x10)

c)

High power (x40)

90.

How many objective lens are there on a microscope?

a)

3

b)

5

c)

1

d)

4

91.

The eye piece magnifies the image...

a)

x100

b)

x40

c)

x10

d)

x400

92.

On a microscope, where do you place the slide?

a)

Objective lens

b)

Eye piece

c)

Stage

d)

Course focus

93.

Epithelial cells found on the inside of the trachea (windpipe) have tiny structures called _______ to trap dust and bacteria.

a)

Hairs

b)

Cilia

c)

Villi

94.

Root hair cells have long finger-like projections that increase their surface area to...

a)

Take in as much water and nutrients from the soil as possible

b)

Take in as little water and nutrients from the soil as possible

95.

Red blood cells do NOT have a nucleus - true or false?

a)

True

b)

False

96.

What is the name of the substance found in red blood cells that carries oxygen?

a)

Haemoglobin

b)

Globin

c)

Myoglobin

97.

Which cells are responsible for carrying oxygen round the body?

a)

White blood cells

b)

Epithelial cells

c)

Red blood cells

d)

Root hair cells

98.

What kind of energy do chloroplasts use to make food for the cell?

a)

Kinetic

b)

Light

c)

Heat

d)

Sound

99.

Where do chemical reactions take place in a cell?

a)

Cell Membrane

b)

Chloroplasts

c)

Vacuole

d)

Cytoplasm

100.

What kind of energy do chloroplasts use to make food for the cell?

a)

Kinetic

b)

Light

c)

Heat

d)

Sound

101.

1. What is the function (job) of the chlorophyll in the chloroplasts?

a)

to release energy in photosynthesis

b)

to control what goes in and out of the cell

c)

to store water and minerals

d)

to absorb sunlight for photosynthesis

102.

2. Which part of a plant cell stores water and minerals?

a)

cell membrane

b)

chloroplast

c)

vacuole

d)

cell membrane

103.

3. Which letter is pointing to the PALISADE MESOPHYLL?

a)

A

b)

E

c)

G

d)

H

104.

4. Which part of the leaf allows carbon dioxide in and water vapour and oxygen out?

a)

A

b)

E

c)

G

d)

H

105.

5. Which of these is NOT an adaptation of the hedgehog that helps it to not get eaten?

a)

spines

b)

cold feet

c)

eyes on the side of its head

d)

brown colour for camouflage

106.

6. Name the primary consumer in this food web.

a)

fish

b)

algae

c)

krill

d)

toothed whale

107.

8. What do the arrows in this food web represent?

a)

direction of the sun

b)

direction of shadows

c)

direction the organism moves

d)

direction of energy transfer

108.

10. What part of a plant is this?

a)

leaf

b)

stem

c)

fruit

d)

root

109.
Which of the following statements is not part of the cell theory?
a)
Cells are the basic unit of structure and function in all living things.
b)
All cells are produced from other cells.
c)
Only animal cells are composed of cells.
d)
All living things are composed of cells.
110.
The invention of the microscope made it possible for people to discover and learn about
a)
Plants
b)
Skin 
c)
Animals 
d)
Cells
111.

What carries oxygen around the body?

a)

Plasma

b)

Red Blood Cells

c)

Platelets

d)

White Blood Cells

112.
When many organ systems work together it can form...
a)
organ
b)
cells
c)
organ system
d)
organism 
113.
Which is an example of an organism?
a)
a beetle
b)
a lake
c)
a rock
d)
a shell
114.
The cell is the building block of all living things.
a)
True
b)
False
115.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
116.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
117.
Unlike mitosis, meiosis in male mammals results in the formation of
a)
one haploid gamete
b)
three diploid gametes
c)
four diploid gametes
d)
four haploid gametes
118.
Where does blood go after the right atrium?
a)
left atrium
b)
left ventricle
c)
right ventricle
d)
aorta
119.
7?
a)
Left Atrium
b)
Left Ventricle
c)
Aortic Valve
120.
Receives blood from the body that is low in oxygen and high in carbon dioxide
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
121.
Nutrients from digested food are absorbed in which digestive organ?
a)
Small Intestine
b)
Stomach
c)
Large Intestine
d)
Gallbladder
122.
Which secondary organ makes digestive juices like insulin to help absorb food in the small intestine?
a)
Large intestine
b)
Pancreas
c)
Liver
d)
Gallbladder
123.
WHAT IS AFTER THE SMALL INTESTINE?
a)
Large intestine
b)
nothing
c)
liver
d)
pancreas
124.
After the large intestine, what comes next?
a)
Rectum
b)
Toilet
c)
none
d)
accessory organs
125.
This cell can swim to find the  female egg cell
a)
sperm
b)
ciliated cell
c)
red blood cell
d)
nerve cell
126.
The role of these specialised cells is to help fight off infection and foreign bodies.
a)
Palisade Cells
b)
Nerve Cells
c)
White Blood Cells
d)
Red Blood Cells
127.
What cells have NO nucleus?
a)
Leaf cells
b)
Animal cells
c)
Red blood cells
d)
egg cells
128.
1.What cells have fine hairs?
a)
Ciliated cells
b)
Root cells
c)
mouth cells
d)
red blood cells
129.
The chewing and grinding of food into smaller pieces is an example of...
a)
Mechanical Digestion
b)
Chemical Digestion
130.

Number 2 is pointing to the...

a)

Oesophagus

b)

Stomach

c)

Small intestine

d)

Anus

131.
Number 4 is pointing to the....
a)
Anus
b)
Rectum
c)
Large Intestine
d)
Small intestine
132.
Number 5 is pointing to the...
a)
Liver
b)
Gallbladder
c)
Pancreas
d)
Stomach
133.
Which of the following helps digest starch in the mouth...
a)
salivary amylase
b)
lysozymes
c)
mucin
d)
bolus
134.
Name this structure
a)
spleen
b)
gall bladder
c)
pancreas
d)
jejunum
135.
What best describes what occurs here
a)
nutrients are absorbed
b)
water and salts are reclaimed
c)
bacteria assist with vitamin absorbtion
d)
most mechanical digestion
136.
Mechanical digestion does NOT occur in the.....
a)
mouth
b)
stomach
c)
small intestine
d)
large intestine
137.

Substances in food that the body needs to function properly are:

a)

nutrition

b)

macromolecules

c)

calories

d)

nutrients

138.

Proteins are broken down into:

a)

fatty acids

b)

nucleic acids

c)

amino acids

d)

hydrochloric acids

139.
Makes bile to aid in the digestion of fat
a)
Stomach
b)
Liver
c)
Pancreas
d)
Small Intestine
140.

Which of the following would not provide carbohydrates to the body?

a)

bread

b)

fruit

c)

candy

d)

chicken

141.
Tube that carries food from mouth to stomach
a)
Stomach
b)
Large Intestine
c)
Small Intestine
d)
Esophagus
142.

Identify this organ

a)

Large Intestine

b)

Small Intestine

c)

Stomach

d)

Oesophagus

143.

Identify the organ

a)

Oesophagus

b)

Stomach

c)

Small Intestine

d)

Large Intestine

144.

Identify the organ

a)

Liver

b)

Stomach

c)

Gall Bladder

d)

Pancreas

145.

Identify the organ

a)

Stomach

b)

Liver

c)

Gall Bladder

d)

Pancreas

146.

Which organ stores bile?

a)

Stomach

b)

Liver

c)

Gall Bladder

d)

Small Intestine

147.

Which organ absorbs water from undigested food creating faeces?

a)

Small Intestine

b)

Large Intestine

c)

Pancreas

d)

Liver

148.

What are the two reactants needed for cellular respiration to occur?

a)

Glucose and oxygen

b)

Glucose and water

c)

Water and carbon dioxide

d)

Oxygen and water

149.

Name the organelle that cellular respiration occurs

a)

Nucleus

b)

Chloroplast

c)

Mitochondria

d)

Vacuole

150.

What is the purpose of the digestive system

a)

To eat food

b)

To breakdown food into small enough pieces that can be absorbed into the bloodstream

c)

To breakdown food into large molecules that can be absorbed into the bloodstream

d)

So that food can pass through our bodies.

151.

Identify part 9 of the digestive system.

a)

Small intestine

b)

Large intestine

c)

Appendix

d)

pancreas

152.

Identify part 8 of the respiratory system

a)

Oesophagus

b)

Trachea

c)

Pharynx

d)

Larynx

153.

Where does gas exchange occur?

a)

Trachea

b)

Bronchioles

c)

Alveoli

d)

Nasal cavity

154.

What is diffusion?

a)

Describes the movement of gases outwards

b)

describes how gases move from an area high concentration to an area of high concentration

c)

describes how gases move from an area of high concentration to an area of low concentration

d)

describes how gases move from an area of low concentration to an area of high concentration

155.

What type of blood vessel carries blood away from the heart?

a)

Vein

b)

Venules

c)

Arterioles

d)

Arteries

156.

Identify part B of the urinary system

a)

Renal artery

b)

Renal vein

c)

Urethra

d)

Ureter

157.

What is the functions of the urinary system?

Select all the correct options.

a)

Filters blood

b)

Removes excess water from your body

c)

Removes excess protein from your body

d)

Creates urine which is excreted

158.

This particular blood vessel carries deoxygenated blood from the lower half of the body to the right atrium

a)

super vena cava

b)

inferior vena cava

c)

pulmonary artery

d)

pulmonary vein

159.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

160.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
161.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
162.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
163.
What are the products of photosynthesis (what is made)?
a)
Glucose and Chlorophyll
b)
Glucose and Oxygen
c)
Water and Light
d)
Carbon dioxide and Water
164.
Which of these conditions would decrease the rate of photosynthesis in a plant?
a)
Above average precipitation
b)
Changing the daylight hours from 14 hrs to 10 hrs
c)
Changing the CO2 concentration from 380 ppm to 410 ppm
d)
All of these choices
165.
What are the products of anaerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
166.
Which type of respiration is most efficient?
a)
Aerobic
b)
Anaerobic
167.
Where in the cell does aerobic respiration take place?
a)
Nucleus
b)
Cytoplasm
c)
Mitochondria
d)
Cell membrane
168.
Energy is released from ATP when
a)
a phosphate group is added
b)
adenine bonds to ribose
c)
ATP is exposed to sunlight
d)
a phosphate group is removed
169.
Which structures shown in the Figure make up the ADP molecule?
a)
A and B
b)
A, B and C
c)
A, B, C, and D
d)
C and D
170.

Irregularly shaped cell fragments that help clot blood

a)

Platelets

b)

Lymph

c)

Plasma

d)

White Blood Cells

171.

Fight bacteria and viruses by entering infected tissue, destroying bacteria/viruses and absorb dead blood cells

a)

White Blood Cells

b)

Red Blood Cells

c)

Platelets

d)

Plasma

172.
What blood type has anti-A antibodies?
a)
Type A
b)
Type B
c)
Type AB
d)
Type O
173.

Identify the independent variable


The number of gallons, g, of water in a garden hose produces after running for m, minutes

a)

m

b)

g

174.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
175.

Definition of a Codon (choose BEST answer)

a)

A unit of 3 adjacent nucleotides in the messenger RNA (mRNA) that codes for a specific amino acid in the synthesis of a protein molecule.

b)

A unit of 3 nucleotides in the messenger RNA (mRNA) that codes for a specific amino acid in the synthesis of a protein molecule.

c)

A unit of 3 adjacent nucleotides in the messenger RNA (mRNA) that codes for a amino acid in the synthesis of a protein molecule.

d)

3 nucleotides in the messenger RNA (mRNA) that codes for a amino acid in the synthesis of a protein molecule.

176.

Definition of a Gene (choose best definition)

a)

A sequence in the DNA that occupies a specific location on a chromosome and that determines a particular characteristic (trait) in an organism.

b)

DNA that occupies a location on a chromosome and that determines a particular characteristic (trait) in an organism.

c)

A sequence in the DNA that determines a particular characteristic (trait) in an organism.

d)

A sequence in a specific location on a chromosome and that determines a particular organism.

177.

"The process of making a copy of genetic information stored in a DNA stranded into a complementary strand of RNA"

The above definition describes:

a)

Gene Transcription

b)

Gene Translation

c)

Protein Synthesis

d)

Osmosis

178.

"The process of translating the sequence of messenger RNA (mRNA) molecule to a sequence of amino acids during protein synthesis"

The above definition describes:

a)

Gene Transcription

b)

Gene Translation

c)

Protein Synthesis

d)

Osmosis

179.

What is an allele?

a)

2 or more variants of a gene that have the same relative position on homologous chromosomes and are responsible of alternative characteristics

b)

A process during meiosis wherein 2 chromosomes pair up and exchange segments of their genetic material

c)

Variation within a population in which few or no intermediate phentoypes fall between the extremes (i.e. Human Blood Types)

d)

Variation within a population in which a graded series of intermediate phentotype falls between the extremes (i.e Human Height)

180.

Define Mitochondria (choose best answer)

a)

Organelles found in the cell's cytoplasm which are the site of cellular respiration

b)

Site of cellular respiration

c)

Organelles which are the site of cellular respiration

d)

Organelles found in the cell.

181.

Definition of a Endoplasmic Recticulum:

a)

Rigid structure which provides support to cells, composed of cellulose in plant cells

b)

A jelly like substance found in cells which contains all the organelles in the cell suspended in a liquid called the Cytosol.

c)

Network of membranes found throughout the cytoplasm of cells which are involved in processing proteins (Rough ER) and lipids (Smooth ER)

d)

Organelle found in the cytoplasm of photosynthetic organisms which is the site of photosynthesis

182.

Definition of a Chloroplast

a)

Rigid structure which provides support to cells, composed of cellulose in plant cells

b)

A jelly like substance found in cells which contains all the organelles in the cell suspended in a liquid called the Cytosol.

c)

Network of membranes found throughout the cytoplasm of cells which are involved in processing proteins (Rough ER) and lipids (Smooth ER)

d)

Organelle found in the cytoplasm of photosynthetic organisms which is the site of photosynthesis

183.

Definition of a Cytoplasm

a)

Rigid structure which provides support to cells, composed of cellulose in plant cells

b)

A jelly like substance found in cells which contains all the organelles in the cell suspended in a liquid called the Cytosol.

c)

Network of membranes found throughout the cytoplasm of cells which are involved in processing proteins (Rough ER) and lipids (Smooth ER)

d)

Organelle found in the cytoplasm of photosynthetic organisms which is the site of photosynthesis

184.

What is a chiasma?

a)

The point at which paired chromosomes contact during crossing over

b)

A process during meiosis wherein 2 chromosomes pair up and exchange segments of their genetic material

c)

Variation within a population in which few or no intermediate phentoypes fall between the extremes (i.e. Human Blood Types)

d)

Variation within a population in which a graded series of intermediate phentotype falls between the extremes (i.e Human Height)

185.

Definition of a Cell Wall (choose best definition)

a)

Rigid structure which provides support to cells, composed of cellulose in plant cells

b)

Structure which provides support to cells, composed of cellulose in plant cells

c)

Rigid structure composed of cellulose in plant cells

d)

Rigid structure in plant cells

186.

What is discontinuous variation?

a)

2 or more variants of a gene that have the same relative position on homologous chromosomes and are responsible of alternative characteristics

b)

A process during meiosis wherein 2 chromosomes pair up and exchange segments of their genetic material

c)

Variation within a population in which few or no intermediate phentoypes fall between the extremes (i.e. Human Blood Types)

d)

Variation within a population in which a graded series of intermediate phentotype falls between the extremes (i.e Human Height)

187.

What is crossing over?

a)

2 or more variants of a gene that have the same relative position on homologous chromosomes and are responsible of alternative characteristics

b)

A process during meiosis wherein 2 chromosomes pair up and exchange segments of their genetic material

c)

Variation within a population in which few or no intermediate phentoypes fall between the extremes (i.e. Human Blood Types)

d)

Variation within a population in which a graded series of intermediate phentotype falls between the extremes (i.e Human Height)

188.
What is the function of the mitochondria?
a)
Pack and ship proteins
b)
Make proteins
c)
Make energy (ATP)
d)
Removes waste
189.
What organelle is labeled with "D"?
a)
Mitochondria
b)
Golgi Apparatus
c)
Nucleus
d)
Endoplasmic Reticulum
190.
What organelle is labeled with "B"?
a)
Mitochondria
b)
Golgi Apparatus
c)
Nucleus
d)
Endoplasmic Reticulum

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