Class 9 Biology – Cell & Tissue (100 Hard MCQs)

 

Class 9 Biology – Cell & Tissue (100 Hard MCQs)

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Part A – Cell (Fundamental Unit of Life) (50 MCQs)

1.   Who coined the term "cell"?
(a) Schleiden
(b) Schwann
(c) Robert Hooke
(d) Robert Brown

2.   Which cell organelle is absent in prokaryotes?
(a) Ribosome
(b) Cell membrane
(c) Nucleus
(d) Cytoplasm

3.   Which organelle is semi-autonomous and contains its own DNA and ribosomes?
(a) Lysosome
(b) Golgi body
(c) Mitochondria
(d) Endoplasmic reticulum

4.   Which of the following is selectively permeable?
(a) Cell wall
(b) Plasma membrane
(c) Nuclear pore
(d) Tonoplast

5.   In onion peel plasmolysis, the cell becomes:
(a) Flaccid
(b) Turgid
(c) Lysed
(d) Normal

6.   Which scientist discovered the nucleus?
(a) Robert Brown
(b) Robert Hooke
(c) Virchow
(d) Schwann

7.   Which organelle is called “suicidal bag”?
(a) Ribosome
(b) Lysosome
(c) Golgi apparatus
(d) Plastid

8.   The double-membrane organelles are:
(a) Chloroplast, mitochondria, nucleus
(b) Golgi body, ribosome, lysosome
(c) Vacuole, centriole, ER
(d) None of these

9.   Which is absent in an animal cell?
(a) Nucleus
(b) Mitochondria
(c) Chloroplast
(d) Ribosome

10.                  Cell wall in plants is made up of:
(a) Peptidoglycan
(b) Starch
(c) Cellulose
(d) Lignin

11.                  Which organelle modifies, sorts and packs proteins?
(a) ER
(b) Ribosome
(c) Golgi apparatus
(d) Mitochondria

12.                  Which organelle is directly connected with protein synthesis?
(a) Smooth ER
(b) Rough ER
(c) Lysosome
(d) Vacuole

13.                  80S ribosomes are present in:
(a) Bacteria
(b) Mitochondria
(c) Plant cell cytoplasm
(d) Chloroplast

14.                  Fluid mosaic model of plasma membrane was given by:
(a) Singer & Nicolson
(b) Robert Hooke
(c) Virchow
(d) Watson & Crick

15.                  The universal solvent in cells is:
(a) Cytoplasm
(b) Water
(c) Nucleoplasm
(d) Protoplasm

16.                  The process of engulfing food by cell membrane is called:
(a) Pinocytosis
(b) Phagocytosis
(c) Exocytosis
(d) Endocytosis

17.                  Which part of the cell disappears during cell division?
(a) Chromosomes
(b) Nucleolus
(c) Centrioles
(d) ER

18.                  Which is the site of respiration?
(a) Golgi
(b) Nucleus
(c) Mitochondria
(d) Ribosome

19.                  The energy currency of the cell is:
(a) DNA
(b) ATP
(c) Glucose
(d) RNA

20.                  The genetic material in bacteria is:
(a) Chromatin
(b) Plasmid & nucleoid
(c) Chromosomes
(d) Nucleus

21.                  Chromosomes are made up of:
(a) Protein only
(b) DNA only
(c) DNA and protein
(d) RNA

22.                  Lysosomes are rich in:
(a) Lipase
(b) Protease
(c) Hydrolytic enzymes
(d) Oxidase

23.                  Which structure controls entry & exit of substances?
(a) Nucleus
(b) Cell wall
(c) Plasma membrane
(d) Golgi

24.                  Which plastid stores starch?
(a) Chloroplast
(b) Chromoplast
(c) Leucoplast
(d) None

25.                  Which organelle is called "kitchen of cell"?
(a) Mitochondria
(b) Ribosome
(c) Chloroplast
(d) Lysosome

26.                  Which structure connects the two layers of nuclear membrane?
(a) Chromosomes
(b) Pores
(c) Chromatin
(d) Ribosomes

27.                  Cell organelle involved in digestion of foreign material:
(a) Golgi
(b) Ribosome
(c) Lysosome
(d) Chloroplast

28.                  Which cell part maintains shape of cell?
(a) Nucleus
(b) Cell wall
(c) Mitochondria
(d) Ribosome

29.                  Which organelle forms spindle fibres?
(a) Lysosome
(b) Centriole
(c) Ribosome
(d) ER

30.                  Which is called "control center of cell"?
(a) Cytoplasm
(b) Nucleus
(c) Golgi
(d) Ribosome

31.                  Which plastid contains pigment carotenoid?
(a) Chloroplast
(b) Chromoplast
(c) Leucoplast
(d) None

32.                  Ribosomes are made up of:
(a) DNA & protein
(b) RNA & protein
(c) DNA only
(d) Protein only

33.                  The largest cell organelle in plants is:
(a) Vacuole
(b) Nucleus
(c) Chloroplast
(d) Golgi

34.                  Which cell organelle helps in packaging & secretion?
(a) ER
(b) Golgi body
(c) Lysosome
(d) Ribosome

35.                  The clear fluid inside nucleus is:
(a) Cytoplasm
(b) Nucleoplasm
(c) Vacuole
(d) Ribosome

36.                  Plant cell wall is rigid due to:
(a) Cellulose
(b) Starch
(c) Pectin
(d) Chitin

37.                  Which of these is not part of cell theory?
(a) Cell is basic unit of life
(b) All cells come from pre-existing cells
(c) All organisms are made up of cells
(d) Cells arise spontaneously

38.                  Which organelle is absent in mature RBCs?
(a) Nucleus
(b) Cytoplasm
(c) Plasma membrane
(d) None

39.                  Which organelle is responsible for detoxification?
(a) Lysosome
(b) Smooth ER
(c) Mitochondria
(d) Golgi

40.                  Which cell organelle is absent in prokaryotes?
(a) Plasma membrane
(b) Ribosome
(c) Nucleus
(d) Cytoplasm

41.                  Centrioles are absent in:
(a) Animal cells
(b) Bacterial cells
(c) Plant cells
(d) Both b & c

42.                  DNA replication occurs in:
(a) Ribosome
(b) Nucleolus
(c) Nucleus
(d) Cytoplasm

43.                  Which is the site of lipid synthesis?
(a) Smooth ER
(b) Rough ER
(c) Lysosome
(d) Nucleus

44.                  Which scientist stated "All cells arise from pre-existing cells"?
(a) Virchow
(b) Hooke
(c) Schleiden
(d) Schwann

45.                  Bacterial cell wall is made up of:
(a) Cellulose
(b) Chitin
(c) Peptidoglycan
(d) Protein

46.                  Photosynthesis occurs in:
(a) Chloroplast
(b) Chromoplast
(c) Leucoplast
(d) Mitochondria

47.                  Nucleolus is mainly involved in synthesis of:
(a) tRNA
(b) rRNA
(c) mRNA
(d) DNA

48.                  In prokaryotes, ribosomes are of:
(a) 70S type
(b) 80S type
(c) 60S type
(d) 90S type

49.                  Which controls hereditary characters?
(a) RNA
(b) DNA
(c) Protein
(d) ATP

50.                  The liquid part of cytoplasm is called:
(a) Nucleoplasm
(b) Protoplasm
(c) Cytosol
(d) Vacuole

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Part B – Tissues (50 MCQs)

51.                  Which meristem helps in increase of length?
(a) Apical
(b) Lateral
(c) Intercalary
(d) Secondary

52.                  Secondary growth is due to:
(a) Apical meristem
(b) Lateral meristem
(c) Collenchyma
(d) Parenchyma

53.                  Water transport in plants is by:
(a) Xylem
(b) Phloem
(c) Parenchyma
(d) Collenchyma

54.                  Food transport is by:
(a) Xylem
(b) Phloem
(c) Collenchyma
(d) Guard cells

55.                  Husk of coconut is made of:
(a) Parenchyma
(b) Sclerenchyma
(c) Collenchyma
(d) Xylem

56.                  Guard cells are part of:
(a) Phloem
(b) Xylem
(c) Stomata
(d) Root hairs

57.                  Companion cells are associated with:
(a) Xylem
(b) Phloem
(c) Collenchyma
(d) None

58.                  Dead element of phloem is:
(a) Sieve tubes
(b) Companion cells
(c) Phloem fibres
(d) Phloem parenchyma

59.                  Dead element of xylem is:
(a) Tracheids
(b) Vessels
(c) Xylem fibres
(d) All of these

60.                  Which simple tissue provides mechanical support?
(a) Parenchyma
(b) Collenchyma
(c) Sclerenchyma
(d) Phloem

61.                  Xylem fibres are:
(a) Living
(b) Dead
(c) Sometimes living
(d) None

62.                  Phloem transports food:
(a) Unidirectionally
(b) Bidirectionally
(c) Downward only
(d) None

63.                  Cork cells contain:
(a) Lignin
(b) Suberin
(c) Chitin
(d) Cutin

64.                  Thickened corners are seen in:
(a) Collenchyma
(b) Sclerenchyma
(c) Parenchyma
(d) Phloem

65.                  Function of phloem:
(a) Transport of minerals
(b) Transport of food
(c) Transport of gases
(d) Mechanical support

66.                  The tissue present in husk of coconut:
(a) Xylem
(b) Sclerenchyma fibres
(c) Phloem
(d) Collenchyma

67.                  Bone is a type of:
(a) Muscular tissue
(b) Nervous tissue
(c) Connective tissue
(d) Epithelial tissue

68.                  Ligaments connect:
(a) Bone to muscle
(b) Bone to bone
(c) Muscle to muscle
(d) Nerve to nerve

69.                  Tendons connect:
(a) Muscle to muscle
(b) Bone to muscle
(c) Bone to bone
(d) None

70.                  Which connective tissue stores fat?
(a) Ligament
(b) Areolar
(c) Adipose
(d) Cartilage

71.                  Cartilage is a:
(a) Connective tissue
(b) Nervous tissue
(c) Epithelial tissue
(d) None

72.                  The junction of two neurons is called:
(a) Synapse
(b) Node
(c) Dendrite
(d) Axon

73.                  Smallest unit of nervous system is:
(a) Axon
(b) Nerve
(c) Neuron
(d) Dendrite

74.                  Which muscle is involuntary & striated?
(a) Skeletal
(b) Smooth
(c) Cardiac
(d) All

75.                  Muscles responsible for voluntary movements are:
(a) Smooth
(b) Cardiac
(c) Skeletal
(d) All

76.                  Which tissue allows bending of young stems?
(a) Parenchyma
(b) Collenchyma
(c) Sclerenchyma
(d) Xylem

77.                  Nerve impulses are carried by:
(a) Axon
(b) Dendrites
(c) Synapse
(d) None

78.                  Which connective tissue has fluid matrix?
(a) Bone
(b) Ligament
(c) Cartilage
(d) Blood

79.                  Epithelial tissue without intercellular space is:
(a) Cuboidal
(b) Columnar
(c) Squamous
(d) All

80.                  Which muscle never fatigues?
(a) Skeletal
(b) Smooth
(c) Cardiac
(d) None

81.                  Which plant tissue is dead at maturity?
(a) Parenchyma
(b) Collenchyma
(c) Sclerenchyma
(d) Phloem parenchyma

82.                  Function of stomata:
(a) Respiration
(b) Transpiration
(c) Exchange of gases
(d) All

83.                  The thick cuticle is found in:
(a) Hydrophytes
(b) Xerophytes
(c) Mesophytes
(d) None

84.                  Which connective tissue is flexible but not elastic?
(a) Bone
(b) Ligament
(c) Cartilage
(d) Adipose

85.                  Which muscle tissue is unbranched and voluntary?
(a) Skeletal
(b) Cardiac
(c) Smooth
(d) None

86.                  Main water-conducting element in gymnosperms:
(a) Vessels
(b) Tracheids
(c) Fibres
(d) Parenchyma

87.                  Phloem in monocots lacks:
(a) Companion cells
(b) Phloem parenchyma
(c) Sieve tubes
(d) Phloem fibres

88.                  Which connective tissue joins muscle to bone?
(a) Ligament
(b) Tendon
(c) Cartilage
(d) Adipose

89.                  Main structural & functional unit of nervous tissue is:
(a) Brain
(b) Neuron
(c) Spinal cord
(d) Nerves

90.                  Which muscular tissue is spindle-shaped?
(a) Smooth
(b) Cardiac
(c) Skeletal
(d) None

91.                  Function of epidermis in plant:
(a) Protection
(b) Photosynthesis
(c) Transport
(d) Respiration

92.                  In desert plants, stomata are present:
(a) Only on upper surface
(b) Only on lower surface
(c) Both surfaces equally
(d) Sunken type

93.                  Collenchyma is absent in:
(a) Dicot stem
(b) Monocot stem
(c) Leaf petiole
(d) Young stem

94.                  Which connective tissue prevents joints from damage?
(a) Cartilage
(b) Bone
(c) Ligament
(d) Tendon

95.                  Which epithelial tissue forms kidney tubules?
(a) Squamous
(b) Columnar
(c) Cuboidal
(d) Ciliated

96.                  Which cells in xylem are living?
(a) Vessels
(b) Tracheids
(c) Xylem parenchyma
(d) Xylem fibres

97.                  Sieve tube cells lack:
(a) Cell wall
(b) Cytoplasm
(c) Nucleus
(d) Vacuole

98.                  Which simple tissue stores food in plants?
(a) Parenchyma
(b) Collenchyma
(c) Sclerenchyma
(d) Xylem

99.                  Which connective tissue connects bone to bone?
(a) Ligament
(b) Tendon
(c) Cartilage
(d) Adipose

100.             Phloem fibres are:
(a) Living
(b) Dead
(c) Semi-living
(d) None

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Answer Key

Cell (1–50):
1-c, 2-c, 3-c, 4-b, 5-a, 6-a, 7-b, 8-a, 9-c, 10-c, 11-c, 12-b, 13-c, 14-a, 15-b,
16-b, 17-b, 18-c, 19-b, 20-b, 21-c, 22-c, 23-c, 24-c, 25-c, 26-b, 27-c, 28-b, 29-b, 30-b,
31-b, 32-b, 33-a, 34-b, 35-b, 36-a, 37-d, 38-a, 39-b, 40-c, 41-c, 42-c, 43-a, 44-a, 45-c,
46-a, 47-b, 48-a, 49-b, 50-c.

Tissues (51–100):
51-a, 52-b, 53-a, 54-b, 55-b, 56-c, 57-b, 58-c, 59-d, 60-c, 61-b, 62-b, 63-b, 64-a, 65-b,
66-b, 67-c, 68-b, 69-b, 70-c, 71-a, 72-a, 73-c, 74-c, 75-c, 76-b, 77-a, 78-d, 79-d, 80-c,
81-c, 82-d, 83-b, 84-c, 85-a, 86-b, 87-b, 88-b, 89-b, 90-a, 91-a, 92-d, 93-b, 94-a, 95-c,
96-c, 97-c, 98-a, 99-a, 100-b.