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THE FUNDAMENTAL UNIT OF LIFE

Total questions: 30

Worksheet time: 13mins

Name
Class
Date
1.

Guard cells and stoma are found in which part of the plant?

a)

Parenchyma

b)

Collenchyma

c)

Sclerenchyma

d)

Epidermis

2.

What do prokaryotic cells lack?

a)

Cell membrane

b)

Cytoplasm

c)

Cell wall

d)

Membrane bound nucleus

3.

Which is the main constituent of cell wall?

a)

Cellulose

b)

Pectin

c)

Starch

d)

Proteins

4.

A cell that contains a large central vacuole is-

a)

Plant cell

b)

Animal cell

c)

Bacterial cell

d)

Yeast cell

5.

Plastid that is colourless is-

a)

Chromoplast

b)

Leucoplast

c)

Chloroplast

d)

Lysosome

6.

The proteins and lipids, essential for building the cell membrane, are manufactured by:

a)

Endoplasmic reticulum

b)

Golgi apparatus

c)

Mitochondria

d)

Ribosomes

7.

Cell is the structural and functional unit of life. The word cell is derived from the Latin word ‘cellula’ which means “a little room”. Can you name the scientist who coined the term cell?

a)

Robert Hooke

b)

Anton Von Leeuwenhoek

c)

Robert Brown

d)

Ernst Haeckel

8.
Which organelle is only found in a plant cell? 
a)
nucleus
b)
chloroplast
c)
mitochondria
d)
cell membrane
9.
Where is DNA stored in a cell? 
a)
Lysosomes
b)
Golgi Complex
c)
Ribosomes
d)
Nucleus
10.
What is the fluid inside a cell called? 
a)
Endoplasimic Reticulum
b)
Orange Juice
c)
Water
d)
Cytoplasm
11.
This organelle helps plants keep their rigid structure. 
a)
Cell wall
b)
Cell membrane
c)
Chloroplast
d)
Nucleus
12.
Controls what enters and leaves the cell
a)
Cell Membrane
b)
Ribosome
c)
Chloroplast
d)
Vacuole
13.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
14.
If there is 5 percent water inside a cell and 5 percent water outside a cell
a)
more water will move inside the cell
b)
more water will move outside the cell
c)
There will be no movement of water cells
15.
A group of the same type of cells that work together for a purpose are called -
a)
 a tissue
b)
an organ
c)
an organ system
d)
an unicellular organism
16.

The term Cell was coined by

a)

Robert Hooke

b)

Robert Brown

c)

JE Purkinje

d)

AV Leeuwenhoek

17.

The part of the cell that contains the living substance of the cell, excluding the nucleus, is the _____.

a)

nucleus

b)

cell membrane

c)

cytoplasm

d)

cell wall

18.

All prokaryotes are single-celled organisms. Compare prokaryotes and eukaryotes. Select the characteristics that only apply to prokaryotes.

a)

These cells have DNA in a region called the nucleoid

b)

Some of these cells have structures like flagella and microvilla

c)

These cells have cell walls made of polypeptides and polysaccharides

d)

These cells have cell walls made of cellulose

e)

These cells have DNA contained in a nucleus

19.
Which is true of prokaryotic and eukaryotic cells?
a)
Prokaryotic cells are larger than eukaryotic cells.
b)
Eukaryotic cells do not have nucleus, 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.
20.

The longest cell in human body is

a)

Red blood cell

b)

Nerve cell

c)

Muscle cell

d)

Fat cell

21.

A prokaryotic cell has

a)

Nucleus, cell membrane, cytoplasm

b)

Nucleus, mitochondria, cell membrane

c)

Nucleoid, cell membrane, ribosomes

d)

Nucleoid, cell wall, mitochondria

22.

When we sprinkle salt on salad, water comes out because of

a)

endosmosis

b)

Exosmosis

c)

Diffusion

d)

None of the above

23.

Which statement is true about cell theory?

a)

Cell theory states that all cells are non­living.

b)

Cell theory states that cells can come from non­living

things.

c)

Cell theory states that all cells arise from other cells.

d)

Cell theory says animal cells are the only type of

living cells.

24.
 In the given scenario what will happen?  An egg with a dissolved shell is placed in pure water for 48 hours.
a)
Water will move in and out of the cell equally, and the cell with neither shrink nor swell.
b)
The egg will gain water and swell.
c)
The egg will lose water and shrink.
25.
If you looked at red blood cells under a microscope and saw the blood cells exploded, what would you say happened?
a)
The cells were placed in a hypotonic solution.
b)
the solution was isotonic.
c)
The solution was hypertonic.
26.

Well defined nucleus is absent in

a)

Animal cells

b)

Plant cells

c)

Eukaryotic cells

d)

Prokaryotic cells

27.

First living cells were observed by

a)

Robert hooke

b)

Robert Brown

c)

A. V. Leeuwenhoek

d)

R. Virchow

28.

I am the "waste removal expert" within a cell, removing unwanted material. Like a garbage man, I am a...

a)

Waste Management

b)

Nucleus

c)

Ribosome

d)

Lysosomes

29.

Lysosomes are formed by

a)

RER

b)

SER

c)

Plasma membrane

d)

Golgi apparatus

30.

A cell placed in hypotonic solution will

a)

shrink

b)

show plasmolysis

c)

swell up

d)

no change in shape and size

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