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Biology Triweekly 3

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.
Which type(s) of cells have genetic material that is contained in a nucleus?
a)
bacteria
b)
only animal cells
c)
protists
d)
both plant and animal cells
2.
Which statement is true about bacterial cells?
a)
The cells are very large
b)
The cells have no nucleus
c)
The are eukaryotes
d)

They have lots of organelles

3.

A plant cell stores food, water or waste products in

a)
chloroplast
b)
nuclei
c)
ribosomes
d)
vacuole
4.
Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?
a)
to absorb light energy and manufacture food
b)
to remove waste materials by active transport
c)
to manufacture chemical energy from food
d)
to control the shape of the cell
5.

What is an organelle in both plant and animal cells that separates the inside of the cell from the outside environment and controls what comes in and goes out like a security guard?

a)

Mitochondria

b)

Vacuole

c)

Chloroplast

d)

Cell Membrane

6.

Which part of a plant anchors the plant to the ground and soaks up water and minerals?

a)

stem

b)

leaves

c)

roots

d)

petals

7.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

light + carbon dioxide + water --> glucose + oxygen

b)

carbon dioxide + sugar + water --> oxygen + light

c)

oxygen + light + water --> carbon dioxide + sugar

d)

carbon dioxide + oxygen + water --> Light+ Sugar

8.

What are the 2 products of photosynthesis? The products are the things made in the process of photosynthesis.

a)

water, sunlight

b)

glucose, carbon dioxide

c)

oxygen, glucose

d)

sunlight, oxygen

9.

How does water travel from the roots to the plan leaf? Name the structure that carries water.

a)

stomata

b)

phloem

c)

chloroplast

d)

xylem

10.

Foods synthesized in the process of Photosynthesis by plants is stored as

a)

Starch

b)

Protein

c)

Vitamins

d)

Fats

11.

Which of these are limiting factors for photosynthesis? Choose 3 answers.

a)

Light intensity

b)

CO2 concentration

c)

Temperature

d)

Light

e)

CO2 levels

12.

What protects Stomata and helps it in opening and closing?

a)

Guard Cells

b)

Leaf

c)

Stem

d)

Carbon Dioxide

13.

The movement of water across the cell membrane from areas of high concentration of water to areas of low concentration of water

a)

endocytosis

b)

osmosis

c)

facilitated diffusion

d)

pinocytosis

14.

Molecules move against the concentration gradient from areas of high concentration to areas of low concentration during ....

a)

passive transport

b)

active transport

c)

facilitated diffusion

d)

osmosis

15.

A balloon is filled with lemon juice and placed in a box. After 2 days Mary opens the box and the box smells like lemons because of ....

a)

osmosis

b)

endocytosis

c)

diffusion

d)

plasmolysis

16.
Which of the following substances passes through the plasma membrane   through the process of osmosis?
a)
glucose
b)
water
c)
protein
d)
sodium
17.

In which type of solution would a red blood cell shrink?

a)

hypotonic solution

b)

isotonic solution

c)

hypertonic solution

18.

What happens to a plant cell when it is placed in a solution with a high water concentration?

a)

The cell swells up and bursts.

b)

The cell shrivels up.

c)

The cell becomes plasmolysed.

d)

The cell becomes turgid.

19.

Diffusion is the movement of molecules from...

a)

An area of high concentration to an area of low concentration.

b)

An area of low concentration to an area of high concentration.

20.

The diffusion of water across a selectively membrane is called

a)

diffusion

b)

active transport

c)

homestatsis

d)

osmosis

21.
Where are proteins made?
a)
Golgi body
b)
Mitoichondria
c)
Chromosomes
d)
Ribosomes
22.

What do you call the eukaryotic cells that have a cell wall, chloroplasts and a central vacuole.

a)

Animal Cells

b)

Bacterial Cells

c)

Plant Cells

d)

Viral Cells

23.

What do you call the eukaryotic cells that have a cell wall, chloroplasts and a central vacuole.

a)

Animal Cells

b)

Bacterial Cells

c)

Plant Cells

d)

Viral Cells

24.

What do you call the tiny cell structures inside a cell that carry out a specific function within the cell?

a)

Biomolecules

b)

Organelles

c)

Cells

d)

Atoms

25.

Which type of cells have a membrane bound nucleus and membrane bound organelles?

a)

Eukaryotic Cells

b)

Prokaryotic Cells