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Grade 10 Biology 2. Exam ; Semester 1

Total questions: 50

Worksheet time: 33mins

Name
Class
Date
1.
This is a example of........ 
a)
organ system
b)
cells
c)
organ
d)
tissue
2.
The maintenance of an organism’s internal environment is called:
a)
compensating
b)
homeostasis
c)
balancing
d)
routine
3.

Which macromolecule is used as our main source of energy?

a)

Lipids/Fats

b)

Nucleic Acids

c)

Proteins

d)

Carbohydrates

4.

Match the MACROMOLECULES and their MONOMERS.

Hint: Monomer = a single unit

a)

carbohydrate

1.

monosaccharide

b)

lipid

2.

fatty acid & glycerol

c)

protein

3.

amino acid

d)

nucleic acid

4.

nucleotide

5.
Which is true of prokaryotic and eukaryotic cells?
a)
Prokaryotic cells are larger than eukaryotic cells.
b)
Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.
c)
Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.
d)
Eukaryotic cells are simpler than prokaryotic cells.
6.

Which do BOTH prokaryotes and eukaryotes contain?

a)

nucleus

b)

mitochondria

c)

ribosomes

d)

cell wall

7.

What is the function of the cell membrane?

a)

To control what comes in and out of the cell

b)

To break down food inside the cell

c)

to serve as a barrier

d)

to eat the cells food

8.

Which organelle contains genetic material?

a)

Endoplasmic Reticulum

b)

Golgi Complex

c)

Lysosome

d)

Nucleus

9.

What is the function of the STOMATA in plants?

a)

Allows water to enter the plant

b)

Provides food to enter the plant

c)

Allows for gas exchange

d)

Site of photosynthesis

10.

What is a STEM CELL?

a)

Cells found in the stems of plants.

b)

Cells that can differentiate into specialized cells.

c)

Cells that control your genes to be expressed.

d)

Cells that provide nutrients to your blood.

11.
What is the function of ATP in living things?
a)
provides energy for cells
b)
stores genetic information
c)
provides structure in the nucleus
12.
Diffusion is the movement of molecules from
a)
an area of equilibrium to an area of high concentration.
b)
an area of low concentration to an area of high concentration.
c)
an area of high concentration to an area of high concentration.
d)
an area of high concentration to an area of low concentration.
13.

In the respiratory tract, the ciliated ________ epithelial tissues possess cilia. These cilia of the ciliated ________ epithelium can move and their movement pushes the mucus toward they pharynx.

Which type of Epithelium is this ?

a)

Columnar

b)

Squamous

c)

Cuboidal

14.

Name this tissue

a)

Bone

b)

Blood

c)

Cartilage

d)

Adipose

15.

Match The connective tissue members with the pictures?

a)

1.

Ligament

b)

2.

Tendon

c)

3.

Cartilage

16.

Where are fats stored in the Body?

a)

Areolar Tissue.

b)

Blood.

c)

Stratified Squamous Epithelium Tissue.

d)

Adipose Tissue.

17.

Which cells are produced during the first few divisions of the zygote?

a)

bone cells

b)

epithelial cells

c)

cardiac muscle cells

d)

embryonic stem cells

18.

Which tissue is responsible for the carrying of electrical and chemical signals and impulses from the brain and central nervous system to the periphery, and vice versa?

a)

nerve

b)

connective

c)

muscle

d)

epithelial

19.
what is the function of cuticle?
a)

photosynthesis occur here.

b)
transport water
c)
transport mineral and nutrients
d)
reduce loss of water through transpiration
20.
what is the function of xylem tissue?
a)
transports water and minerals salt 
b)
control the opening and closing of stoma
c)
carry out photosynthesis
d)
provide support for young plant
21.

_____________________ is a vascular tissue that carries sugars and other foods throughout a plant.

a)

stems

b)

phloem

c)

roots

d)

xylem

22.

Which of the following tissues whose role is to protect and cover the plant?

a)

Dermal tissue

b)

Epidurial tissue

c)

Ground tissue

d)

Vascular tissue

23.

Guard cells are present in

a)

cork

b)

cortex

c)

stomata

d)

vascular bundle

24.
Which tissue type does a majority of the photosynthesis?
a)
Dermis
b)
Ground
c)
Mersitematic
d)
Vascular
25.
A region of plant cells that are capable of dividing and developing into specialized plant tissues.
a)
Phloem
b)
Stomata
c)
Tropism
d)
Meristems
26.

Which gas needed for photosynthesis enters the leaf through the stomata?

a)

oxygen

b)

nitrogen

c)

carbon dioxide

d)

hydrogen

27.

Which part of the leaf has air spaces to allow carbon dioxide to flow through the leaf and diffuse into cells.

a)

epidermis tissue

b)

palisade mesophyll

c)

spongy mesophyll

d)

xylem

28.

What process is shown in the diagram?

a)

control systems

b)

cell determination

c)

cell differentiation

d)

internal environment

29.

Does the root system work together with the shoot system?

a)

True

b)

False

30.

The root system consists of primary and secondary roots, while the shoot system...

(a)  

31.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + glucose
b)
CO2 + glucose + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + glucose
d)
CO2 + O2 + H2O --> Light+ glucose
32.

Roots perform all of the following functions :

a)
Carrying out the light reactions of photosynthesis
b)
Anchoring the plant in the soil
c)
Absorbing water and nutrients from the soil
d)
Storing water and minerals
33.

Label the parts of the plants. Don't worry about #4

Flower

Stem

Leaf

Roots

a
b
c
d
a)
b)
c)
d)
34.

Match the following parts of the plant to their functions.

a)

Flower

1.

In charge of reproduction for the plant.

b)

Stem

2.

Transports water and nutrients / support

c)

Leaves

3.

Absorb sunlight for photosynthesis

d)

Roots

4.

Absorb water and nutrients from soil

35.

What is a group of cells that have similar functions? Examples include nervous, epithelial, muscle, and connective _________ .

a)

cells

b)

tissues

c)

organs

d)

atoms

36.

Tissues combine to form...

a)

cells

b)

organs

c)

organ systems

d)

organelles

37.
Use this diagram of living systems to answer this question. Which figure is a tissue?
a)
1
b)
2
c)
1 & 2
d)
1 & 3
38.

Which of the following are an involuntary muscle ( automatic ) ?

a)

bicep (arm)

b)

intestine (smooth)

c)

hamstring (leg)

d)

heart (cardiac)

39.

Your stomach and intestines are made of _____ muscle.

a)

skeletal

b)

cardiac

c)

smooth

40.
Question Image

Match the label of the respiratory system!

a)

alveoli

1.

a

b)

trachea

2.

c

c)

bronchioles

3.

e

d)

nostril

4.

b

e)

bronchus

5.

d

41.

The Respiratory and Circulatory systems work together to give the body the ​ (a) ... it needs.​

a)

Oxygen

b)

Blood

c)

Nutrients

d)

Birds

42.

Match the correct substances to show whether they represent inputs or outputs of cellular respiration.

a)

glucose

1.

Inputs

b)

oxygen

2.

Inputs

c)

carbon dioxide

3.

Outputs

d)

water

4.

Outputs

e)

ATP

5.

Outputs

43.

The body’s internal environment ( homeostasis ) must
stay __________. 

a)

exactly the same at all times

b)

the same as its external environment

c)

within narrow (fixed) ranges that support human life

d)

away from sudden outside temperature changes

44.

The body works to maintain homeostasis in response to what conditions? 

a)

tissue and cell formation

b)

production of key vitamins

c)

internal and external changes

d)

cell differentiation and determination

45.

Which steps will reduce the amount of an input to photosynthesis? Circle the letters of all the correct answers.

a)

cover half of the plant’s stomata

b)

place the plant in a low-oxygen environment

c)

increase the carbon dioxide levels of the plant

d)

reduce the amount of sugar that the plant is receiving

e)

reduce the amount of sunlight that is available to the plant

46.

Different parts of the cell system are responsible for different functions in the maintenance of homeostasis. Match the each part of the cell with its function.

a)

nucleus

1.

stores genetic information for the cell

b)

ribosomes

2.

produces cellular proteins

c)

mitochondria

3.

produces energy for cellular functions

d)

cell membrane

4.

controls movement of materials in and ou

47.

Reorder the following steps In Vitamin D production :

a)

The UV rays of sunlight cause a substances in the skin to turn into an inactive Vitamin D

b)

Blood carries inactive Vitamin D to liver which changes it to intermediate compound

c)

Then Its carried to the kidney which change it into active vitamin D

d)

Active vitamin D works with hormones to maintain levels of calcium and phosphorus.

1)
2)
3)
4)
48.

What organelles are unique to only the plant cell.

mitochondria

nucleus

Large central vacuole

chloroplast

cell wall

c
d
e
c)
d)
e)
49.

Match the following.

a)

1.

Prokaryote

b)

2.

Eukaryote

c)

What does the flagella do?

3.

movement

50.

Which of the following are true about enzymes? (Choose all that apply)

a)

Enzymes speed up chemical reactions.

b)

Enzymes react best at a specific temperature.

c)

Enzymes only control ONE type of reaction.

d)

Enzymes are made of fatty acids.

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