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the fundamental unit of life

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

The cell membrane is mostly made of what?

a)

Membrane-spanning Proteins

b)

Surface Proteins

c)

Phospholipids

d)

Carbohydrates

2.

Basic unit of all forms of life

a)

Cell

b)

Nucleus

c)

Prokaryote

d)

Eukaryote

3.

Unic ellular organisms take in oxygen and give out carbondioxide through

a)

diffusion

b)

exosmosis

c)

endosmosis

d)

active transport

4.

Living cells were first observed by

a)

Robert Hooke

b)

Robert Brown

c)

A.V Leeuwenhoek

d)

R. Virchow

5.

Well defined nucleus is absent in

a)

plant cell

b)

animal cell

c)

eukaryotic cell

d)

prokaryotic cell

6.

Cell wall of plant cells is chiefly composed of

a)

hemicellulose

b)

cellulose

c)

proteins

d)

phospholipids

7.

Cell theory was given by

a)

Robert Hooke

b)

Leeuwenhoek

c)

Schleiden and Schwann

d)

Virchow

8.

Cell arise from pre existing cell was stated by

a)

Robert Hooke

b)

Leeuwenhoek

c)

Schleiden and Schwann

d)

Virchow

9.

The structural and functional unit of life is

a)

tissue

b)

organ

c)

organ system

d)

cell

10.

Cell wall in plant cells is made of

a)

starch

b)

glycogen

c)

cellulose

d)

chitin

11.

The outermost covering of a plant cell is

a)

plasma membrane

b)

cell wall

c)

nuclear membrane

d)

vacuolar membrane

12.

The outermost layer of hum an cheek cells is

a)

plasma membrane

b)

cytoplasm

c)

cell wall

d)

nuclear membrane

13.

Plasma membrane is

a)

permeable

b)

semi permeable

c)

selectively permeable

d)

impermeable

14.

Genetic material of eukaryotic cell is contained in

a)

nucleolus

b)

nucleoplasm

c)

nucleus

d)

nucleoid

15.

Which among the following has a variable and irregular shape

a)

Euglena

b)

Plasmodium

c)

Paramoecium

d)

Amoeba

16.

The term cell was given by

a)

Leeuwenhoek

b)

Robert Brown

c)

Robert Hooke

d)

Virchow

17.

Which of the following statement is not true for plant cells?

a)

Single large vacuole

b)

Nucleus is shifted to one side

c)

Do not divide

d)

Have cell wall

18.

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

a)

endosmosis

b)

Exosmosis

c)

Diffusion

d)

None of the above

19.

The two organelles which have their own DNA are

a)

Ribosomes and Golgi bodies

b)

Chloroplasts and lysosomes

c)

Chloroplasts and mitochondria

d)

Mitochondria and vacuoles

20.

which of the following is present in lysosomes

a)

digestive enzyme

b)

protein

c)

sugars

d)

DNA

21.

The Powerhouse of cell is

a)

cytoplasm

b)

nucleus

c)

chloroplast

d)

mitochondria

22.

The colour of flowers and fruits is due to

a)

Chromoplasts

b)

Chloroplasts

c)

Leucoplasts

d)

None of the above

23.

A prokaryotic cell has

a)

Nucleus, cell membrane, cytoplasm

b)

Nucleus, mitochondria, cell membrane

c)

Nucleoid, cell membrane, ribosomes

d)

Nucleoid, cell wall, mitochondria

24.

Which of the following is only present in plant cell?

a)

Cell membrane

b)

Cell wall

c)

ribosomes

d)

Lysosomes

25.

The longest cell in human body is

a)

Red blood cell

b)

Nerve cell

c)

Muscle cell

d)

Fat cell

26.

Rudolph Virchow said that

a)

All organisms are made of cells

b)

Cell is the basic unit of life

c)

New cells come from pre-existing cells

d)

None of the above

27.

The term protoplasm was coined by

a)

Robert Brown

b)

M J Schleiden

c)

Theodore Schwann

d)

Purkinje

28.

First living cell was observed by

a)

Antoin von Leeuwenhoek

b)

Robert Hooke

c)

Rudolph Virchow

d)

Robert Brown

29.

Nucleolus is the site of

a)

mRNA synthesis

b)

Ribosome synthesis

c)

Protein synthesis

d)

ATP synthesis

30.

The process in which parent cell divides to form two identical daughter cells is

a)

meiosis

b)

mitosis

c)

binary fission

d)

budding

31.

Control center of the cell

a)

mitochondria

b)

nucleus

c)

SER

d)

chromosomes

32.

The site of detoxification in liver cells is

a)

lysosome

b)

RER

c)

ribosome

d)

SER

33.

Cell arise from pre-existing cell was stated by

a)

Haeckel

b)

Virchow

c)

Hooke

d)

Schleiden

34.

First living cells were observed by

a)

A.V. Leeuwenhoek

b)

Robert Hooke

c)

R. Virchow

d)

Robert Brown

35.

Intercellular connections in plant cells are called

a)

middle lamella

b)

microfibrils

c)

matrix

d)

plasmodesmata

36.

Root hairs of plants absorb water from soil through

a)

diffusion

b)

imbibition

c)

osmosis

d)

all the above

37.

A cell placed in hypotonic solution will

a)

shrink

b)

show plasmolysis

c)

swell up

d)

no change in shape and size

38.

Amoeba acquires its food through a process termed as

a)

exocytosis

b)

endocytosis

c)

plasmolysis

d)

exocytosis and endocytosis

39.

Kitchen of the cell is

a)

mitochondria

b)

chloroplast

c)

endoplasmic reticulum

d)

Golgi apparatus

40.

Colorless plastids are known as

a)

leucoplasts

b)

chromoplasts

c)

chloroplasts

d)

none of the above

41.

The infoldings of mitochondria are known as

a)

cristae

b)

matrix

c)

cisternae

d)

grana

42.

Chromosomes are made up of

a)

DNA

b)

protein

c)

DNA and protein

d)

RNA

43.

Which of the following act as a garbage disposal system of the cell

a)

Golgi apparatus

b)

Vacuole

c)

lysosome

d)

peroxisomes

44.

The undefined nuclear region of prokaryotes is also known as

a)

nucleus

b)

nucleolus

c)

nucleic acid

d)

nucleoid

45.

Amoeba acquires its food through a process, called

a)

exocytosis

b)

endocytosis

c)

plasmolysis

d)

exocytosis and endocytosis both

46.

Lysosomes are formed by

a)

RER

b)

SER

c)

Plasma membrane

d)

Golgi apparatus

47.

The most abundant material in plant cell wall is

a)

cellulose

b)

lipids

c)

proteins

d)

wax

48.

The image shows a

a)

plant cell

b)

animal cell

c)

mitosis process

49.

Select the organelle that release energy

a)

mitochondria

b)

nucleus

c)

vacuole

d)

cytoplasm

50.

Select the three parts of the cell theory

a)

Cells are the building blocks of life

b)

Scientists worked hard to discover the cell

c)

All life processes take place in cells.

d)

New cells are produced from existing cells

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