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Quiz - The Fundamental Unit of Life

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.

Assertion (A): Mitochondria are absent in prokaryotic cells. Reason (R): Prokaryotic cells lack membrane-bound organelles.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

2.

Assertion (A): Osmosis occurs only in living cells. Reason (R): Osmosis requires a semipermeable membrane.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

3.

Assertion (A): Ribosomes are membrane-bound organelles. Reason (R): Ribosomes are found freely in cytoplasm.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

4.

Assertion (A): Plant cells burst when placed in hypotonic solution. Reason (R): Cell wall provides rigidity to plant cells.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

5.

Assertion (A): Chromoplasts provide colour to fruits. Reason (R): Chromoplasts contain carotenoid pigments.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

6.

Assertion (A): Lysosomes are absent in plant cells. Reason (R): Plant cells do not perform digestion.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

7.

Assertion (A): Diffusion requires energy. Reason (R): Molecules move from higher to lower concentration.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

8.

Assertion (A): Vacuoles are larger in plant cells. Reason (R): Vacuoles help in storage of food and waste.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

9.

Assertion (A): Prokaryotic cells contain DNA. Reason (R): DNA is present inside a well-defined nucleus.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

10.

Assertion (A): Golgi apparatus is involved in secretion. Reason (R): It packages proteins and lipids.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

11.

Assertion (A): Mitochondria have their own DNA. Reason (R): Mitochondria were once free-living organisms.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

12.

Assertion (A): Endocytosis occurs in plant cells. Reason (R): Plant cells have a rigid cell wall.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

13.

Assertion (A): Cell membrane is selectively permeable. Reason (R): It is made only of cellulose.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

14.

Assertion (A): Chloroplasts are present in animal cells. Reason (R): Chloroplasts contain chlorophyll.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

15.

Assertion (A): Ribosomes are found in mitochondria. Reason (R): Mitochondria can synthesize some of their own proteins.

a)

Both A and R are true, and R correctly explains A

b)

Both A and R are true, but R does not explain A

c)

A is true, but R is false

d)

A is false, but R is true

16.

Who discovered the cell?

a)

Leeuwenhoek

b)

Robert Hooke

c)

Schleiden

d)

Schwann

17.

Cell theory was proposed by

a)

Hooke and Virchow

b)

Darwin and Wallace

c)

Schleiden and Schwann

d)

Mendel and Morgan

18.

The basic structural unit of life is

a)

Tissue

b)

Organ

c)

Cell

d)

Organ system

19.

The powerhouse of the cell is

a)

Golgi apparatus

b)

Ribosome

c)

Mitochondria

d)

Lysosome

20.

Which organelle contains digestive enzymes?

a)

Vacuole

b)

Lysosome

c)

Ribosome

d)

ER

21.

Plasma membrane is made of

a)

Cellulose

b)

Proteins only

c)

Lipids and proteins

d)

Chitin

22.

Movement of water through a semipermeable membrane is called

a)

Diffusion

b)

Osmosis

c)

Active transport

d)

Endocytosis

23.

Cell wall is absent in

a)

Plant cell

b)

Fungal cell

c)

Bacterial cell

d)

Animal cell

24.

Ribosomes help in

a)

Respiration

b)

Protein synthesis

c)

Transport

d)

Digestion

25.

Smooth endoplasmic reticulum is involved in

a)

Protein synthesis

b)

Lipid synthesis

c)

Photosynthesis

d)

Cell division

26.

Rough ER is called rough because of

a)

DNA

b)

Vacuoles

c)

Ribosomes

d)

Lipids

27.

Golgi apparatus is also called

a)

Powerhouse

b)

Suicide bag

c)

Post office

d)

Control center

28.

Chloroplast contains

a)

Cristae and matrix

b)

Grana and stroma

c)

DNA only

d)

Ribosomes only

29.

Which plastid stores starch?

a)

Chromoplast

b)

Amyloplast

c)

Elaioplast

d)

Chloroplast

30.

The fluid part of cytoplasm is called

a)

Cell sap

b)

Plasma

c)

Cytosol

d)

Matrix

31.

Prokaryotic cells lack

a)

DNA

b)

Ribosomes

c)

Cell membrane

d)

Membrane-bound organelles

32.

Which organelle detoxifies drugs?

a)

Golgi apparatus

b)

Smooth ER

c)

Lysosome

d)

Ribosome

33.

Which cell lacks nucleus in humans?

a)

WBC

b)

RBC

c)

Nerve cell

d)

Muscle cell

34.

Cristae are folds of

a)

Outer mitochondrial membrane

b)

Inner mitochondrial membrane

c)

Plasma membrane

d)

Nuclear membrane

35.

Stroma is found in

a)

Mitochondria

b)

Chloroplast

c)

Vacuole

d)

Golgi apparatus

36.

Which organelle is double membraned?

a)

Lysosome

b)

Ribosome

c)

Mitochondria

d)

Golgi apparatus

37.

Endocytosis occurs in

a)

Plant cells

b)

Animal cells

c)

Bacterial cells

d)

Virus

38.

Which plastid stores oil?

a)

Amyloplast

b)

Chromoplast

c)

Elaioplast

d)

Chloroplast

39.

Cell sap is found in

a)

Cytoplasm

b)

Nucleus

c)

Vacuole

d)

ER

40.

Centrosome is present in

a)

Plant cells

b)

Animal cells

c)

Bacteria

d)

Fungi

41.

Which solution causes plasmolysis?

a)

Hypotonic

b)

Isotonic

c)

Hypertonic

d)

Neutral

42.

Plasmolysis occurs in

a)

Animal cells

b)

Plant cells

c)

Viral cells

d)

Bacteria

43.

Nuclear membrane is

a)

Single layered

b)

Double layered

c)

Non-living

d)

Absent

44.

Which organelle controls cell activities?

a)

Cytoplasm

b)

Mitochondria

c)

Nucleus

d)

Ribosome

45.

Which organelle forms spindle fibres?

a)

Ribosome

b)

Golgi body

c)

Centrosome

d)

Vacuole

46.

Which plastid contains chlorophyll?

a)

Chromoplast

b)

Leucoplast

c)

Chloroplast

d)

Amyloplast

47.

Smallest living cell is

a)

Virus

b)

Bacteria

c)

RBC

d)

Amoeba

48.

Cell membrane is also called

a)

Cell wall

b)

Plasma membrane

c)

Tonoplast

d)

Nuclear membrane

49.

Which organelle modifies proteins?

a)

Ribosome

b)

Golgi apparatus

c)

Lysosome

d)

Vacuole

50.

Which is a unicellular organism?

a)

Human

b)

Frog

c)

Amoeba

d)

Dog

51.

Which organelle has ribosomes on its surface?

a)

Smooth ER

b)

Rough ER

c)

Golgi body

d)

Lysosome

52.

The outermost layer of plant cell is

a)

Plasma membrane

b)

Cell wall

c)

Cytoplasm

d)

Vacuole

53.

Which cell organelle is absent in prokaryotes?

a)

Ribosome

b)

Cytoplasm

c)

Nucleus

d)

Cell membrane

54.

The site of photosynthesis is

a)

Mitochondria

b)

Chloroplast

c)

Golgi body

d)

Ribosome

55.

Which organelle is called suicide bag?

a)

Ribosome

b)

Golgi

c)

Lysosome

d)

Vacuole

56.

The matrix is found in

a)

Chloroplast

b)

Vacuole

c)

Mitochondria

d)

Golgi

57.

Which plastid stores protein?

a)

Aleuroplast

b)

Amyloplast

c)

Chromoplast

d)

Chloroplast

58.

Which organelle is involved in lipid synthesis?

a)

Rough ER

b)

Smooth ER

c)

Golgi body

d)

Ribosome

59.

Which cell organelle is non-membranous?

a)

Mitochondria

b)

Golgi body

c)

Ribosome

d)

Lysosome

60.

Virus is considered non-living because it

a)

Has DNA

b)

Has protein coat

c)

Cannot reproduce independently

d)

Has no cell wall

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