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Worksheets

1st Year Biology

Total questions: 140

Worksheet time: 2hrs 49mins

Name
Class
Date
1.

Which of the following structure contain the highest % of RNA

a)

centriole

b)

lysosomes

c)

nucleolus

d)

chromosomes

2.

Which of the following organelles always contain DNA

a)

centriole

b)

golgi complex

c)

lysosomes

d)

mitochondria

3.

Which of the following is responsible of cyclosis?

a)

microtubule

b)

microfilament

c)

intermediate filament

d)

none

4.

Which class of molecule is the major component of cell membrane?

a)

phospholipid

b)

cellulose

c)

triglyceride

d)

wax

5.

The enantiomer of D-glucose is

a)

D-GALACTOSE

b)

L-GALACTOSE

c)

BOTH

d)

NONE

6.

Estrogen, vitamin-D& cholesterol are all examples of

a)

glycolipids

b)

lipoproteins

c)

terpenes

d)

steroids

7.

The catalytic activity of an enzyme is restricted to its small portion

a)

Active site

b)

Passive site

c)

Regulation site

d)

Allosteric site

8.

Erypsin is an example of

a)

carbohydrases

b)

proteases

c)

lipases

d)

nucleases

9.

An essential feature of a competitive inhibitor is its ability to

a)

activate an operator gene

b)

combine with prosthetic group

c)

modify a substrate

d)

occupy an active site

10.

ATP synthesis during light reactions

a)

ATP

b)

Photosynthesis

c)

substrate phosphorylation

d)

photophosphorylation

11.

chlorophyll is soluble in

a)

water

b)

organic solvent

c)

water and organic solvent

d)

none

12.

viruses are considered non-living because

a)

do not mutate

b)

cannot reproduce independently

c)

they do not locomote

d)

have nucleic acid

13.

HIV attaches to

a)

CD4 protein

b)

lipoprotein

c)

nucleoprotein

d)

glycoprotein

14.

The HIV primarily infects

a)

plasma cells

b)

helper T-cells

c)

WBC

d)

RBC

15.

RNA retrovirus has special enzyme that

a)

disintegrate host DNA

b)

transcribe viral DNA to RNA

c)

polymerises host DNA

d)

translate host DNA

16.

CYANOBACTERIA

a)

carbon

b)

oxygen

c)

hydrogen

d)

nitrogen

17.

Chemosynthetic bacteria

a)

are autotrophic

b)

use sun rays

c)

oxidize inorganic compounds to acquire energy

d)

both A & C are correct

18.

Which zoologist stated that all animals are composed of cells?

a)

Anton van Leeuwenhoek

b)

Robert Hooke

c)

Matthias Schleiden

d)

Theodor Schwann

19.
Which of the following substance transports oxygen?
Antara bahan berikut. yang manakah mengangkut oksigen?
a)
Haemolymph
Hemolimfa
b)
Haemoglobin
Hemoglobin
c)
Fibrinogen
 Fibrinogen
d)
Plasma
Plasma
20.

You suggest that the presence of water could accelerate the growth of bread mold. This is a/an _____.

a)

conclusion

b)

analysis

c)

hypothesis

d)

experiment

21.

An instrument used to separate cell parts according to density is the ____.

a)

electron microscope

b)

blender

c)

compound light microscope

d)

centrifuge

22.

When enough experimental data support a hypothesis, the hypothesis becomes a/an ____.

a)

fact

b)

inference

c)

conclusion

d)

theory

23.

Which is NOT a unit of measurement in the metric system?

a)

gram

b)

inch

c)

meter

d)

liter

24.

What is the term for the area of Earth where living things exist?

a)

community

b)

population

c)

biosphere

d)

environment

25.

Which of the following characteristics of living things best explains why birds fly south for the winter?

a)

Living things maintain internal balance.

b)

Living things respond to their environment.

c)

Living things are based on a universal genetic code.

d)

Living things are made up of units called cells.

26.

Information gathered from observing a plant grow 3 cm over a two-week time period results in ____.

a)

data

b)

variables

c)

inferences

d)

hypotheses

27.

To observe a small, living organism, a scientist might use a/an ____.

a)

electronic balance

b)

compound light microscope

c)

TEM

d)

SEM

28.

What is the term for a group of organisms of one type living in the same place?

a)

population

b)

environment

c)

ecosystem

d)

biosphere

29.

Which of the following variables present in Redi's experiment on spontaneous generation is NOT a controlled variable?

a)

gauze covering that keeps flies away from meat

b)

types of jars used

c)

types of meat used

d)

temperature at which the jars were stored

30.

In the metric system, the basic unit of length is the ____.

a)

kilometer

b)

centimeter

c)

meter

d)

millimeter

31.

In sciene, a hypothesis is useful only if ____.

a)

it can be tested

b)

it is proven correct

c)

it can be proven incorrect

d)

the explanation is already known

32.

An instrument that allows light to pass through the specimen and uses two lenses to form an image is a/an ____.

a)

TEM

b)

SEM

c)

electron microscope

d)

compound light microscope

33.

Which of the following is NOT a characteristic of all living things?

a)

ability to move

b)

response to the environment

c)

ability to reproduce

d)

growth and development

34.

What is the term given to a gorup of cells that develops from a single original cell?

a)

community

b)

nutrient solution

c)

cell culture

d)

cell fractionation

35.

The process by which organisms keep their internal conditions fairly constant is called ____.

a)

If in doubt about any part of an activity, trust your instincts.

b)

Read all the steps in your activity before doing it.

c)

Following your teacher's instructions.

d)

Follow the textbook directions exactly.

36.

Biology is the study of ____.

a)

the land, water, and air on Earth.

b)

the environment.

c)

animals and plants only.

d)

the living world.

37.

Which level of organization includes all of the other levels?

a)

organism

b)

population

c)

community

d)

ecosystem

38.

What technique is used to separate different cell parts?

a)

microscopy

b)

cell culture

c)

cell fractionation

d)

all of the above

39.

A controlled experiment allows the scientist to isolate and test ____.

a)

several variables

b)

a mass of information

c)

a conclusion

d)

a single variable

40.
The ___________ is the basic unit of life
a)
organ
b)
cell
c)
atom
d)
tissue
41.
Which of these would NOT be studied by a biologist? 
a)
the relationship between trees and fungi. 
b)
how sand is distributed on the ocean floor. 
c)
the chemicals that break down food in your stomach
d)
how fast a cheetah runs. 
42.
Algae and multicellular plants are autotrophs because they
a)
decomposed dead organisms
b)
absorb nutrients from the soil
c)
break down starches into glucose
d)
capture sunlight and convert the energy into chemical energy
43.
Which of the following is not a characteristic found in all living things
a)
chloroplast
b)
obtaining and using material and energy
c)
responding to stimuli
d)
Reproducing and passing hereditary material to the next generation.
44.
Which of these best describes an organism's ability to maintain the constant internal conditions necessary for life?
a)
homeostasis
b)
stability
c)
reproduction
d)
adaptation
45.

Biotic means ______________.

a)

Living organisms.

b)

Non living factors.

c)

Living and non living factors.

d)

Plants and rocks

46.

An unicellular organism is one that...

a)

Can make its own food.

b)

Cannot make its own food.

c)

Has only one cell.

d)

Has many cells.

47.

Some organisms are capable to reproduce by budding or splitting. The mode of reproduction of these organisms is...

a)

Heterotrophic reproduction

b)

Asexual reproduction

c)

Sexual reproduction

d)

Autotrophic reproduction

48.
Shivering is a mechanism for maintaining a constant body temperature. What characteristic of life is represented?
a)
Highly organized
b)
Homeostasis
c)
Growth and developmrnt
d)
Evolve
49.

What is a biosphere?

a)

basic unit of life

b)

everything that lives on Earth

c)

species

d)

chemicals

50.

What is a species?

a)

particular type of living things that can breed and reproduce

b)

characteristic of life

c)

study of life

d)

step in scientific method

51.
Which type of transport does not require energy?
a)
Passive transport
b)
Active transport
c)
Pump
d)
Neuron connections
52.
Movement of anything across a semi-permeable membrane from high concentration to low concentration is
a)
diffusion
b)
osmosis
c)
active transport
d)
pump
53.
Movement of WATER across a semi-permeable membrane is
a)
osmosis
b)
active transport
c)
diffusion
d)
neuron relay
54.
Which type of transport requires energy?
a)
passive transport
b)
active transport
c)
diffusion
d)
osmosis
55.
a solution that contains equal amount of solvent and solute is
a)
isotonic
b)
hypertonic
c)
hypotonic
d)
solute
56.
a solution that is mainly water is
a)
hypotonic
b)
hypertonic
c)
isotonic
d)
solute
57.
a solution that is mainly solute is 
a)
hypotonic
b)
hypertonic
c)
isotonic
d)
solvent
58.
energy expenditure means
a)
active transport
b)
passive transport
c)
osmosis
d)
diffusion
59.
if a blood cell is placed in salt water it will
a)
loose water and shrink
b)
gain water and shrink
c)
loose water and swell
d)
gain water and swell
60.
wilting means
a)
lack of water; not enough water
b)
too much water
c)
not enough salt
d)
too much salt
61.
wilting means
a)
lack of water; not enough water
b)
too much water
c)
not enough salt
d)
too much salt
62.
if a person is dehydrated, what do they need to do?
a)
drink water or take in water
b)
loose water
c)
eat salt
d)
loose salt
63.
what adaptation do unicellular organisms have to deal with extra water?
a)
contractile vacuole
b)
food vacuole
c)
cilia
d)
gullet
64.
If a substance is being moved from low concentration to high concentration, what is occurring?
a)
active transport
b)
passive transport
c)
osmosis
d)
diffusion
65.
what will happen to a body in fresh water?
a)
swell
b)
shrink
c)
loose water
d)
loose salt
66.
what will happen to a body in the ocean?
a)
gain salt
b)
loose salt
c)
loose water
d)
gain water
67.
This organelle is a rigid outer layer that protects plant cells.
a)
Cell Membrane
b)
Cell Wall
c)
Nucleus
d)
Chloroplast 
68.

The _____________ stores food, water, wastes, and other materials in both plant and animal cells.

a)

Vacuole

b)

Mitochondria

c)

Cytoplasm

d)

Nucleus

69.

The _____________ is a gel-like fluid that fills plant and animal cells. It holds the organelles in place and gives each cell its shape.

a)

Cytoplasm

b)

Cell Membrane

c)

Cell Wall

d)

Chloroplast

70.
Cell membranes are found in
a)
Only animal cells
b)
Only plant cells
c)
Some plant and animal cells
d)
All plant and animal cells
71.
Using this image, what organelle is N?
a)
Centrioles
b)
Cell Membrane
c)
Golgi Apparatus
d)
Ribosome
72.
What is the difference between rough and smooth ER?
a)
There is no difference.
b)
Plants have rough ER, animals have smooth ER.
c)
What type of injuries the Doctors treat.
d)
Rough has ribosomes, smooth does not.
73.
What gas is released by plants during photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
74.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
75.
What type of organism uses photosynthesis?
a)
plants
b)
bacteria
c)
animals
d)
both plants and bacteria
76.
What is the energy conversion during photosynthesis?
a)
chemical --> chemical
b)
thermal --> electrical
c)
chemical --> electrical 
d)
radiant --> chemical
77.
What is the gas we breath out that plants use for photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
78.
This is referred to as the energy currency of the cell
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
79.
This molecule contains three phosphate groups
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
80.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction
81.

Which one of the following is a complex carbohydrate

a)

Galactose

b)

Maltose

c)

Glycogen

d)

Sucrose

82.

Which of the following nutrient is mainly responsible for the production of sebum?

a)

Fats

b)

Carbohydrates

c)

Protein

d)

Vitamin C

83.

Which of the following nutrient has no energy value?

a)

Fats

b)

Protein

c)

Carbohydrate

d)

Vitamin

84.

Which vitamin is lacking when scurvy occurs

a)

Vitamin A

b)

Vitamin E

c)

Vitamin C

d)

Vitamin D

85.

What makes up the outside spine of the DNA strand

a)

Nitrogenous Bases

b)

Adenine and Thymine

c)

Deoxyribose sugar and a phosphate group

d)

ribose sugar and a phosphate group

86.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
87.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
88.
What are the nucleotides made of?
a)
Sugar, Phosphate, nitrogen base
b)
Phosphate, Adenine, nitrogen base
c)
Thymine, Adenine, Cytomine
d)
Phosphate, Nitrogen, Adenine
89.

Non-vascular plants belongs to which group?

a)

pteridophytes

b)

bryophytes

c)

gymnosperms

d)

angiosperms

90.

Which of these species belongs to bryophytes?

a)

Polytrichum sp.

b)

Dryopteris sp.

c)

Pinus sp.

d)

Hibiscus rosa-sinensis

91.

Which of the following is the unique characteristics for Kingdom Plantae

a)

cell wall consist of peptidoplycan

b)

carbohydrate storage is glycogen

c)

has alternation of generation

d)

motile

92.

Mosses and liverworts are called non-vascular plant because

a)

they lack motile sperm

b)

they lack seed

c)

they lack vascular tissue

d)

they lack true roots, stems and leaves

93.

Which of the following is NOT a characteristic of pteridophytes?

a)

Sporophyte generation is dominant

b)

Gametophyte generation is dominant

c)

Produce spores

d)

Has true roots, stems and leaves

94.

Why Hibiscus sp. are considered more advanced compared to Pinus sp.?

a)

Xylem consists of vessel and tracheid

b)

Reproduction by producing seeds

c)

Phloem consists of sieve tube

d)

Has true roots, stem and leaves

95.

Most conifers have separate male and female reproductive parts on the same tree. This condition is referred to as

a)

monoecious

b)

dioecious

c)

homosporous

d)

heterosporous

96.

Usual mode of reproduction: Sexual

Type of fertilization: External

Embryology: Blastopore contributes to the formation of anus; cleavage is radial

Symmetry: Immature form is bilateral; mature form is five-part radial

Body cavity: Lined with tissue derived from mesoderm

Segmentation: No evidence

Skeleton: Spiny exoskeleton secreted by the dermis and covered with a thin epidermis

Habitat: marine


Into what phylum should this organism be placed?

a)

Chordata

b)

Echinodermata

c)

Mollusca

d)

Nematoda

97.

Coelomate, exoskeleton and jointed appendages are characteristics of

a)

Annelida

b)

Arthropoda

c)

Mollusca

d)

Chordata

98.

Pharyngeal slits, endoskeleton derived from mesoderm and ventral heart are characteristics for

a)

Annelida

b)

Chordata

c)

Cnidaria

d)

Nematoda

99.

The ciliated, free-swimming larva of the cnidarian is called a _______________.

a)

blastula

b)

planula

c)

meusa

d)

polyp

100.

Which phylum and species that has these characteristics

Pseudocoelomate narrow body pointed at both ends Locomotion by contraction of longitudinal muscles Dioecious

a)

Annelida - Pheretima sp

b)

Nematoda - Achatina sp

c)

Nematoda - Ascaris sp

d)

Annelida - Asterias sp

101.

Common characteristics of protista

a)

no tissue, located in moist environment

b)

multi-cellular, located in warm dry environments

c)

tissue, with nucleus

102.

A fungi like example of protista is

a)

algae

b)

paramecium

c)

slime mold

103.

An example of a protista that just floats along is a

a)

euglena

b)

diatoms

c)

amoeba

d)

paramecium

104.

An animal with a cell that is not a plant, animal or fungi is a

a)

spore

b)

protista

c)

arcella

d)

slime mold

105.
What is the tangled, underground network of hyphae that makes up the largest portion of a fungus?
a)
Mycelium
b)
Basidia
c)
Gills
d)
Fruiting Body
106.
What is the above-ground, reproductive structure produced by fungi?
a)
Fruiting body
b)
Hyphae
c)
Mycelium
d)
Chitin
107.
Which of the following best describes how fungi obtain their nutrition and energy?
a)
Digest --> Ingest
b)
Ingest --> Digest
c)
Photosynthesi
d)
Autotrophic
108.
Certain fungi exists in mutualistic relationships with plants, wrapping around the roots of the plant. This increases the surface area of the plant roots and allows them to absorb more nutrients. Fungi in this relationship are known as _____________.
a)
Mychorrizae
b)
Lichen
c)
Diatoms
d)
Bracket Fungi
109.
Parasitic fungi, such as Athlete's Foot and ringworm, are unique because they decompose _____________ cells of organisms.
a)
Living
b)
Dead
c)
Decaying
d)
Blood
110.
Which of the following does NOT describe the purpose of spores in fungi?
a)
Absorb sunlight during photosynthesis
b)
Used for asexual reproduction
c)
Used for sexual reproduction
d)
Produced by the gills of the basidia
111.
Which of the following does NOT describe a beneficial use of fungi to humans?
a)
Fungi provide humans with oxygen during photosynthesis.
b)
Fungi are nature's "recyclers" and return nutrients to the environment.
c)
Fungi are used to create many medicines.
d)
Fungi are used for food for making certain foods.
112.

Which of the following statements is/are true about the events occurring during vigorous physical exercise?

I. exercise increases the rate of cellular respiration

II. increased CO2 causes decreased acidity in blood

III. chemoreceptors in aorta detect change in pH

IV. Pituitary gland sends a message to to diaphragm for more frequent contraction

a)

II and III

b)

I and III

c)

I and IV

d)

I, II, III

113.

Which of the following structures carry impulses from brain to respiratory system to increase ventilation rate?

a)

Internal intercostal nerve- pharynx nerve

b)

Intercostal nerve- Phrenic nerve

c)

Diaphragm nerve- Phrenic nerve

d)

External intercostal nerve- vagus nerve

114.
Respiration is the 
a)
Intake of oxygen and release of carbon dioxide over a membrane
b)
Release of energy from food inside cells
c)
Mechanical movement to inhale and exhale air
d)
Feature that enable an animal to survive in its habitat
115.
Which of the following are features of the alveoli that adapt them to gas exchange?

I. High surface area
II. Thin walls
III. Dry surfaces
a)
I and II only
b)
I only
c)
II and III
d)
I, II, and III
116.

The air sacs that are covered with capillaries where gas exchange takes place.

a)

Bronchi

b)

Trachea

c)

Oxygen

d)

Alveoli

117.

Blood with oxyhaemoglobin is transported from lungs to

a)

Other parts of body

b)

Brain

c)

Heart

d)

Spinal cord

118.

Deoxygenated blood flow from the body cells to the heart via .....

a)

Vena Cava

b)

Aorta

c)

Pulmonary artery

d)

Pulmonary vein

119.

The right and left chambers are separated by

a)

Sternum

b)

Septum

c)

Sernom

d)

Strenoum

120.

The........ has thick muscular wall, small lumen and no valves

a)

Artery

b)

Veins

c)

Capillary

d)

Trachea

121.

The........ has thin muscular wall, very big lumen and valves

a)

Artery

b)

Veins

c)

Capillary

d)

Trachea

122.

The normal reading of systole and diastole is

a)

100/50 mmHg

b)

110/55 mmHg

c)

120/80 mmHg

d)

135/95 mmHg

123.
What is the purpose of antibodies?
a)
To pump lymph through the vessels
b)
To create lymph
c)
To fight infection
d)
To remove old red blood cells
124.
 A lymphatic structure located in the upper left quadrant of the abdomen is called ?
a)
Lymph
b)
Lymph fluid
c)
Spleen
125.
What part of the lymphatic system filters foreign material from blood and destroys old RBCs?
a)
spleen
b)
lymph nodes
c)
thymus 
d)
lymphatic vessels
126.
The structure of a lymphatic vessel is most similar to that of a(n)
a)
Artery
b)
arteriole
c)
vein
d)
capillary
127.
The ______ lymph nodes are in your groin
a)
axillary
b)
femoral
c)
lumbar
d)
inguinal
128.
The ____ lymph nodes are in your armpit.
a)
axillary
b)
brachial
c)
radial
d)
ulnar
129.
How is lymph moved through lymphatic vessels?
a)
Contractions of the small intestine
b)
Blood cells carry lymph through the vessels
c)
Contractions of the heart
d)
Contractions of skeletal muscle around the vessels
130.
What is the function of the lymphatic system?
a)
Drains tissue fluids, waste products & flights against infection.
b)
Prevent swelling
c)
Removes toxins & waste 
d)
Fights against infection 
131.
If the valves in the lymphatic vessels stopped working, how would this disrupt homeostasis in the body?
a)
Tissue fluid would flow backwards, potentially causing edema, or tissue fluid build-up
b)
It would have no effect, because muscle action would still keep fluid flowing
c)
There are no valves in the lymphatic vessels
d)
Tissue fluid would flow too quickly, causing a heart attack due to the increased fluid flow to the heart
132.
What is the name for the mechanism of enzyme activity?
a)
Lock and key
b)
jigsaw puzzle
c)
hammer and nail
d)
two hands pattern
133.
At 40 degrees Celsius, your biological enzymes will...
a)
Functional optimally
b)
Denature
c)
Wait until the temp. increases
d)
Wait until the temp. decreases
134.
What makes an enzyme substrate specific?
a)
Size
b)
Shape
c)
Name
d)
Location it is found in
135.

Proteins can be structural. Select the structural protein from this list

a)

amylase (an enzyme in the mouth)

b)

insulin ( a hormone in the blood)

c)

collagen ( a protein to strengthen skin)

d)

glycogen (a store of glucose in the muscle)

136.

Select the TRUE statement below

a)

Glucose and Lactose are complex carbohydrates

b)

Glucose and Glycogen are simple carbohydrates

c)

Glycogen and Lactose are complex carbohydrates

d)

Glucose and Lactose are simple carbohydrates

137.

Which of the following is a risk of overusing antibiotics to treat infections>

a)

Bacteria may become resistant to antibiotics.

b)

Antibiotics increase the rate of infection.

c)

Antibiotics cause other diseases to develop.

d)

Antibiotics only work once.

138.

Bacteria come in which of the following shapes?

a)

rod, cone, spiral

b)

rod, sphere, spiral

c)

rod, sphere, cone

d)

sphere, cone, spiral

139.

Which of the following is true?

a)

Viruses and bacteria are both prokaryotes.

b)

Bacteria are eukaryotes and viruses are prokaryotes.

c)

Some bacteria are prokaryotes and some are eukaryotes.

d)

All bacteria are prokaryotes.

140.

Which viral life cycle kills its host cell by lysing (bursting)?

a)

Lysogenic Cycle

b)

Lytic Cycle

c)

Binary Fission

d)

Conjugation

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