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Mid-Term Synoptic Assessment-Y10-Biology-

Total questions: 111

Worksheet time: 2hrs 33mins

Name
Class
Date
1.
Plants and animal cells are examples of ___ cells 
a)
prokaryotic cells 
b)
eukaryotic cells 
2.
Which of the following is found inside a prokaryote?
a)
cytoplasm
b)
DNA
c)
ribosomes
d)
all of these
3.
Where is the DNA found in a prokaryotic cell? 
a)
floating around in the cytoplasm 
b)
in the nucleus 
4.
What type of cell has a nucleus? 
a)
eukaryotic
b)
prokaryotic 
5.
One example of a prokaryote is a...
a)
fungus
b)
bacteria
c)
animal
d)
plant
6.
What type of cell is pictured?
a)
Prokaryotic
b)
Eukaryotic
c)
Plant
d)
Animal
7.

Which cells contain Ribosomes?

a)

Prokaryotic

b)

Eukaryotic

c)

Both

8.

Which type of cell has DNA IN A NUCLEUS?

a)

Prokaryotic

b)

Eukaryotic

9.

Where in the cell does protein synthesis occur?

a)

Nucleus

b)

Ribosome

c)

Mitochondria

d)

Chloroplast

10.

Where in the cell does aerobic respiration occur?

a)

Nucleus

b)

Ribosome

c)

Mitochondria

d)

Chloroplast

11.

Which cell structure contains DNA in plant and animal cells?

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Chloroplast

12.

Which of the following organelles is involved in photosynthesis?

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Chloroplast

13.

Which of these is the correct sequence for levels of organization in an organism?

a)

Tissue → Organ → Organism → Organ system → Cell

b)

Cell → Tissue → Organ → Organ system → Organism

c)

Cell → Organ → Organ system → Tissue → Organism

d)

System → Organ → Tissue → Cell → Organism

14.

What is the main function of the vacuole in plant cells?

a)

To produce proteins

b)

To store cell sap and maintain cell rigidity

c)

To protect the cell from pathogens

d)

To control the cell's activities

15.

In a multicellular organism, cells with similar structures and functions form what?

a)

Organs

b)

Tissues

c)

Organelles

d)

Organisms

16.

Which statement correctly describes the cell wall in plant cells?

a)

It is made of protein

b)

It regulates the movement of substances in and out of the cell

c)

It is made of cellulose and provides structural support

d)

It is made of chitin and provides structural support

17.

Which three types of organisms have a cell wall?

a)

animals

b)

plants

c)

bacteria

d)

fungi

e)

viruses

18.

What is C?

a)

chloroplasts

b)

cytoplasm

c)

vacuole

d)

nucleus

19.

Which part of the cell labelled in the diagram is where most chemical reactions happen in a cell?

a)

P

b)

Q

c)

R

d)

S

20.

Which of these organisms is NOT MULTICELLULAR?

a)

Pine Tree

b)

Amoeba

c)

Mushroom

d)

Earthworm

21.

Where is there a low concentration of dye?

a)

at the bottom of cup

b)

in the dye

c)

at the top of cup

d)

at the sides of the cup

22.

Dissolved gases move between the blood and body cells by which process?

a)

absorption

b)

respiration

c)

diffusion

d)

osmosis

23.

Which of the following statements about diffusion is true?

a)

substances move from high to low concentration

b)

diffusion only happens across a partially permeable membrane

c)

water moves from high to low water potential

d)

substances move from low to high concentration

24.

What happens during osmosis?

a)

water molecules moves from high to low concentration without the use of energy

b)

water molecules moves from high to low concentration with the use of energy

c)

water molecules moves from high to low water potential without the use of energy

d)

water molecules move from high to low water potential with the use of energy

25.

What is the direction of osmosis?

a)

From left side to right side.

b)

From right side to left side.

26.

Where will the water go?

a)

Into the cell

b)

Out of the cell

c)

Equally in & out - it's isotonic

d)

There is no water

27.

Which one is the definition of active transport?

a)

movement of particles through the cell membrane from a region of lower concentration to a region of higher concentration using energy in the form of ATP.

b)

passage of water molecules from a region of their higher concentration to a region of their lower concentration through a partially permeable membrane

c)

net movement of molecule from a region of higher concentration to region of lower concentration. Molecule down a concentration gradient

d)

net movement of molecule from a region of lower concentration to region of higher concentration. Molecule down a concentration gradient

28.
Even though the concentration of salt is high in some gland cells and low in the blood, these cells can move salt out of blood and into the cells.  This is an example of
a)
passive transport
b)
active transport
c)
diffusion
d)
osmosis
29.

Which of the following categories do most molecules in living organisms fall into?

a)

Carbohydrates, Proteins, Nucleic Acids

b)

Carbohydrates, Proteins, Lipids

c)

Proteins, Lipids, Nucleic Acids

d)

Carbohydrates, Nucleic Acids, Lipids

30.

What are the basic units of most fats (lipids) in the body?

a)

Glycerol molecule chemically bonded to 3 fatty acid chains

b)

Glycerol molecule chemically bonded to 1 fatty acid chain

c)

Glycerol molecule chemically bonded to 2 fatty acid chains

d)

Glycerol molecule chemically bonded to 4 fatty acid chains

31.

How many different amino acids are there?

a)

25

b)

20

c)

15

d)

10

32.

What is the molecule that contains the instructions for the growth and development of all organisms?

a)

DNA

b)

Lipid

c)

Protein

d)

RNA

33.

The building blocks of proteins are ....

a)

glycerol and water

b)

glucose

c)

amino acids

d)

triglycerides

34.

State of fats at room temperature.

a)

solids

b)

liquids

c)

gases

35.

An example of simple sugar (monosaccharide).

a)

glucose

b)

sucrose

c)

starch

d)

glycogen

36.

Basic units of cabohydrates.

a)

simple sugars

b)

amino acids

c)

fatty acids and glycerol

d)

nucleotides

37.

Which one is NOT an organic molecule?

a)
Carbon Dioxide
b)
Sucrose
c)
Cellulose
d)
Protein
38.

Glycogen is an example of

a)

a fat

b)

a protein

c)

a complex carbohydrate

d)

none of these

39.

Which chemical element is only found in proteins ?

a)

Carbon

b)

Nitrogen

c)

Oxygen

d)

Hydogen

40.
Ideally, your cells should be in a(n) _______ solution
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
d)
Cola
41.
_______ regulates what enters and leaves a cell.  
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
42.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
43.
Which cell is placed into a hypotonic environment? 
a)
A
b)
B
c)
C
d)
D
44.
In which case would a cell most likely shrink?
a)
when placed in a solution containing a high salt concentration
b)
when placed in a isotonic solution
c)
when placed in a solution containing a low pH
d)
when placed in a solution containing distilled water
45.
Where will the water go?
a)
Into the cell
b)
Out of the cell
c)
Equally in & out - it's isotonic
d)
There is no water
46.

Which biological molecule provides insulation ?

a)

Protein

b)

Glycogen

c)

Starch

d)

Lipid

47.

Benedict's solution test for the presence of

a)

reducing sugars, e.g. glucose

b)

proteins

c)

fats

d)

starch

48.

Biuret solution test for the presence of

a)

reducing sugars, e.g. glucose

b)

proteins

c)

fats

d)

starch

49.

What shows that a solution contains protein?

a)

A

b)

B

c)

C

d)

D

50.

Which food substance would produce a brick red precipitate when boiled with Benedict’s solution?

a)

fat

b)

protein

c)

reducing sugar

d)

starch

51.

A food containing fats is tested with ethanol emulsion test. what would be the positive result?

a)

remains clear

b)

cloudy white emulsion forms

52.

A food substance is tested with three reagents.


Iodine solution remains brown.

The biuret test gives a purple colour.

The ethanol test gives an emulsion.


Which nutrient(s) does the food substance contain?

a)

A

b)

B

c)

C

d)

D

53.

The diagram shows cells from a storage organ of a plant.

The structures X are stained blue-black by iodine solution. (Hint: Plants photosynthesise to produce glucose. Excess glucose is stored as _____?)


What does X contain?

a)

glycogen

b)

starch

c)

fat

d)

amino acids

54.

Lipase digests fats (substrate) into fatty acids and glycerol (products).

According to the lock and key hypothesis, which is the lock and which is the key for the enzyme lipase?


Note: Fats are also called lipids.

a)

A

b)

B

c)

C

d)

D

55.

Which of the following are proteins and increase the rate of biochemical reactions?

a)

Enzymes

b)

Genes

c)

Hormones

d)

Vitamins

56.

What kind of molecule could be an enzyme?

a)

fat

b)

glucose

c)

protein

d)

starch

57.

Which statement is true for an enzyme?

a)

It absorbs the sun's energy during photosynthesis.

b)

It catalyses biological reactions.

c)

It is destroyed by temperatures below 20 °C.

d)

It slows down reactions in a cell.

58.

The graph shows the effect of temperature on the digestion of starch.


At which temperature are starch molecules broken down most rapidly?

a)

10 °C

b)

30 °C

c)

40 °C

d)

50 °C

59.

Main source of energy in most organisms.

a)

Carbohydrate

b)

Protein

c)

Nucleic Acid

d)

Lipid

60.

Deficiency of __________ causes Night blindness.

a)

Vitamin B1

b)

Vitamin D

c)

Vitamin A

61.

Deficiency of which nutrient leads to this disease?

a)

Vitamin A

b)

Vitamin D

c)

Vitamin C

62.

Lack of exposure to sunlight may lead to deficiency of this ______________.

a)

Vitamin D

b)

Vitamin K

c)

Vitamin E

63.
Which of the following is NOT a factor that determines how much energy we need.
a)
Age
b)
Gender
c)
Health status
d)
Level of activity
64.
Chicken, fish and meat contain which nutrient?
a)
Protein
b)
Carbohydrate
c)
Fats
d)
Minerals
65.
Which food contains carbohydrates?
a)
Fish
b)
Pasta
c)
Egg
d)
Carrot
66.
Jerry wants to build up his muscles, which food group intake he should increase ? 
a)
Carbohydrates
b)
Fats
c)
Proteins
d)
vitamins
67.

Infection and bleeding of gums can be prevented by having foods rich in ___________.

a)

Iron

b)

Calcium

c)

Vitamin C

68.
Which nutrient helps rebuild and repair muscles?
a)
Dairy
b)
Sodium
c)
Carbohydrates
d)
Protein
69.
Water
a)
Gives us energy
b)
Helps body to absorb fat
c)
Carries nutrients around body
d)
Is not a nutrient
70.
Fish, nuts, oils and avocado are healthy sources of....
a)
Fiber
b)
Protein
c)
Minerals
d)
Fat
71.
Water is the most abundant molecule found in living organisms.  Most mammals, in fact are approximately 70% water by weight.  About two-thirds of this water is present inside cells.  The other one-third is present outside cells (e.g., in blood plasma or other body fluids).  Why is water so important to cells?
a)
Water is stored in the cells to be used when the organism gets thirsty.
b)
Almost all the chemical reactions in life processes occur in solutions with water.
c)
Water determines which proteins are translated from the cellular DNA.
d)
The main structural component found in plasma membranes and cell walls is water.
72.
Define the term 'balanced diet'.
a)
A diet containing some nutrients in the correct proportions.
b)
A diet containing most nutrients in the correct proportions.
c)
A diet containing none nutrients in the correct proportions.
d)
A diet containing all nutrients in the correct proportions.
73.
__________________ are examples of high energy high nutrient food
a)
Fruits & vegetables
b)
Chocolate & Ice cream
c)
Milk & Cheese
d)
Pancake & Maple syrup
74.
Which component of a healthy, balanced diet helps with constipation? 
a)
Fibre
b)
Fats
c)
Minerals
d)
Protein
75.

Males usually require more energy than females because they

a)

are more aggressive

b)

lose heat more easily

c)

are stronger

d)

more active

76.
Which nutrient contributes the most calories to this product?
a)
Carbohydrates
b)
Fats
c)
Proteins  
77.

You consume 2 servings of ice cream, how many calories are you consuming?

a)

150

b)

275

c)

300

d)

350

78.

what is the deficient nutrients shown in the picture?

a)

Calcium (Ca) Deficiency

b)

Iron (Fe) Deficiency

c)

Potassium (K) Deficiency

d)

Nitrogen (N) Deficiency

79.

The essential nutrients are the chemical compounds necessary for the growth and metabolic activities of an organism.

a)

TRUE

b)

FALSE

80.

what is the deficient nutrients shown in the picture?

a)

Nitrogen (N) Deficiency

b)

Magnesium (Mg) Defficiency

c)

Calcium (Ca) Deficiency

d)

Phosphorous (P) Deficiency

81.

Purpling/Reddening of lower leaves/stalk

(a)  

82.

Which of the following shows the balanced chemical symbol equation for photosynthesis?

a)

A

b)

B

c)

C

d)

D

83.

What is the main energy change that happens in photosynthesis?

a)

chemical --> light

b)

light --> kinetic

c)

light --> chemical

d)

kinetic --> light

84.

Where is chlorophyll found in plant cells?

a)

cytoplasm

b)

chloroplast

c)

mitochondria

d)

vacuole

85.

What substance can glucose be converted to, which is the transport carbohydrate of plants?

a)

starch

b)

cellulose

c)

sucrose

d)

amino acids

86.

What substance can glucose be converted into, which is the energy storage carbohydrate of plants?

a)

cellulose

b)

sucrose

c)

amino acids

d)

starch

87.

Which substance can glucose be converted to, which strengthens plant cell walls?

a)

starch

b)

cellulose

c)

amino acids

d)

sucrose

88.

All of the definitions below are descriptions of a 'limiting factor'.


Which of these is the IGCSE Biology definition?

a)

a factor in the environment that runs out

b)

something present in the environment in such short supply that it restricts life processes

c)

a factor in the environment that is in short supply

d)

something present in the environment in such short supply that it stops life processes

89.

Click on the picture to make it larger.


Which of the following can you conclude about point X from this graph alone?


I. light intensity limits the rate of photosynthesis

II. as light intensity increases, rate of photosynthesis increases

III. CO2 concentration limits the rate of photosynthesis

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

90.

Click on the picture to make it larger.


Which of the following can you conclude about point Y from this graph?


I. light intensity does not limit the rate of photosynthesis

II. the plant has stopped photosynthesising

III. the rate of photosynthesis could be limited by a shortage of water or CO2

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

91.

Click on the picture to make it larger.


What do curves C and D suggest is limiting the rate of photosynthesis?

a)

light intensity

b)

carbon dioxide concentration

c)

temperature

d)

water

92.

Click on the picture to make it larger.


What do curves B and D suggest is limiting the rate of photosynthesis?

a)

light intensity

b)

carbon dioxide concentration

c)

temperature

d)

water

93.

Supplying extra heat and carbon dioxide is more expensive, but may be worth it if the rate of photosynthesis greatly increases.


Click on the graph to make it larger.


Which of the following would it not be worth doing for a plant grower?

a)

increasing the CO2 from 0.03% to 0.1% at a temperature of 20oC.

b)

increasing the CO2 from 0.03% to 0.1% at a temperature of 25oC.

c)

increasing the temperature from 20oC to 25oC at a CO2 concentration of 0.03%

d)

increasing the temperature from 20oC to 25oC at a CO2 concentration of 0.1%

94.

All of the statements below are correct definitions of photosynthesis.


Which of these is the IGCSE Biology definition of photosynthesis?

a)

the process that produces glucose and oxygen, using CO2, water, light and chlorophyll

b)

the process that converts light energy into chemical energy

c)

the process by which plants produce carbohydrates from raw materials using light energy

d)

the process that converts inorganic compounds into organic compounds

95.

Use the figure below to answer - Which of the following is indicated by X in the figure.

a)

Guard cell

b)

Mesophyll cell

c)

Stomata

d)

Vein

96.

This is the outer most layer of some leaves, providing a waxy protective layer

a)

Epidermis

b)

Cuticle

c)

Mesophyll

d)

Skin

97.

This layer is found just below the waxy layer if present, and is the "skin" of the leaf

a)

Cuticle

b)

Epidermis

c)

Mesophyll

d)

Stomata

98.

What are the two main reactants for the process of Photosynthesis ( select 2 )

a)

Oxygen

b)

Carbon Dioxide

c)

Water

d)

Sunlight

99.
Gases pass in and out of a leaf through the what?
a)
vascular tissue
b)
mouth hole
c)
stomata
d)
cell wall
100.
Stomata
a)
tiny holes in the leaves of a plant that allow gases to enter or leave the plant
b)
living things
c)
a plant part that carries out photosynthesis to make food for the plant
d)
the process in which plants use energy from the sun to make their own food
101.
In which two layers of the leaf are most active  chloroplasts found?
a)
Palisade and spongy mesophyll
b)
Epidermis and stomata
c)
xylem and phloem
d)
Roots and spongy mesophyll
102.
____________ cells open and close the stomata
a)
palisade
b)
guard
c)
xylem
d)
epidermis
103.
 Spherical cells that are spaced apart leaving air pockets are called the _ layer.
a)
Palisade
b)
Petiole
c)
Cuticle
d)
Spongy
104.
Tightly packed columnar cells make up the _ layer.
a)
Palisade
b)
Spongy
c)
Epidermal
d)
Ground
105.
The epidermis of the leaf _
a)
Is responsible for photosynthesis
b)
Protects the leaf
c)
Keeps water in the leaf
d)
Stores water and food
106.
If the image measures 100 mm and the scale bar is is 50 µm, what is the magnification?
a)
2,000 x
b)
150 x
c)
5,000 x
d)
20 x
107.

A student looks at the image of a cross-section of a leaf in her Biology textbook. The actual thickness of this leaf is 450 um, but the image in the textbook has a thickness of 83 mm.

What would be the correct magnification of the image?

a)

X 5

b)

X 184

c)

x 0.184

d)

x 500

108.

How do you calculate actual specimen size from magnification and image size?

a)

Actual = Magnification / Image Size

b)

Actual =Image Size / Magnification

c)

Actual = Image Size x Magnification

109.
If the image measures 100 mm and the scale bar is is 50 µm, what is the magnification?
a)
2,000 x
b)
150 x
c)
5,000 x
d)
20 x
110.
If a scale bar measures 32 mm and it states it's length is 100 µm, what is the magnification?
a)
320 x
b)
3,200 x
c)
0.32 x
d)
32,000 x
111.
If a bacteria image measures 450 mm and the magnification is 15,000x, what is the actual size of the bacteria?
a)
30 µm
b)
0.3 µm
c)
300 µm
d)
3,000 µm

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