Class 9 Science Chapter 3 MCQ

Tissues in Action | 50 MCQs | 5 Sets

Set 1: Introduction to Tissues and Meristems

Questions 1–10

1. What is a tissue in a multicellular organism?

(A) A collection of unrelated organisms
(B) A group of cells working together for a function
(C) A group of organ systems
(D) A single organelle
Show Answer
Answer: (B) A group of cells working together for a function

2. What is formed when different tissues work together?

(A) Molecule
(B) Cell
(C) Organ
(D) Organelle
Show Answer
Answer: (C) Organ

3. Why is division of labour useful in multicellular organisms?

(A) It makes every cell identical
(B) It stops all growth
(C) It removes the need for organs
(D) It allows specialised cells to perform tasks efficiently
Show Answer
Answer: (D) It allows specialised cells to perform tasks efficiently

4. The two broad categories of plant tissues are:

(A) Meristematic and permanent
(B) Nervous and muscular
(C) Epithelial and connective
(D) Voluntary and involuntary
Show Answer
Answer: (A) Meristematic and permanent

5. Which plant tissue contains actively dividing cells?

(A) Sclerenchyma
(B) Meristematic tissue
(C) Xylem vessels
(D) Mature cork
Show Answer
Answer: (B) Meristematic tissue

6. Which feature is commonly found in actively dividing meristematic cells?

(A) No nucleus
(B) Very thick lignified walls
(C) Dense cytoplasm and a prominent nucleus
(D) No living contents
Show Answer
Answer: (C) Dense cytoplasm and a prominent nucleus

7. Which meristem is located at root and shoot tips?

(A) Apical meristem
(B) Lateral meristem
(C) Permanent tissue
(D) Epidermis
Show Answer
Answer: (A) Apical meristem

8. Growth in the length of roots and shoots mainly occurs due to:

(A) Sclerenchyma
(B) Epidermis
(C) Phloem
(D) Apical meristem
Show Answer
Answer: (D) Apical meristem

9. Which meristem is mainly responsible for increasing stem thickness?

(A) Apical
(B) Lateral
(C) Intercalary
(D) Epidermal
Show Answer
Answer: (B) Lateral

10. Which meristem helps grasses grow again after being cut?

(A) Lateral
(B) Apical only
(C) Intercalary
(D) Permanent
Show Answer
Answer: (C) Intercalary

Set 2: Permanent Tissues and Plant Protection

Questions 11–20

11. What is cell differentiation?

(A) Cells becoming specialised for particular functions
(B) Cells losing all their contents
(C) Water evaporating from leaves
(D) Roots changing into seeds
Show Answer
Answer: (A) Cells becoming specialised for particular functions

12. Permanent plant tissues are broadly divided into:

(A) Skeletal and smooth
(B) Apical and intercalary
(C) Simple and complex
(D) Voluntary and involuntary
Show Answer
Answer: (C) Simple and complex

13. Which tissue usually forms the outermost covering of a young plant?

(A) Phloem
(B) Epidermis
(C) Xylem
(D) Pith
Show Answer
Answer: (B) Epidermis

14. What is a key role of the plant epidermis?

(A) Pumping blood
(B) Carrying nerve signals
(C) Producing muscle movement
(D) Protecting the plant surface
Show Answer
Answer: (D) Protecting the plant surface

15. What is the waxy protective covering on many plant epidermal cells called?

(A) Cuticle
(B) Lignin
(C) Starch
(D) Chlorophyll
Show Answer
Answer: (A) Cuticle

16. How does a thick cuticle help plants in dry environments?

(A) It increases evaporation
(B) It speeds up food loss
(C) It reduces water loss
(D) It stops root growth
Show Answer
Answer: (C) It reduces water loss

17. What is the main function of root hairs?

(A) Making seeds
(B) Increasing absorption of water and minerals
(C) Producing flowers
(D) Transporting sugars from leaves
Show Answer
Answer: (B) Increasing absorption of water and minerals

18. Which tiny openings in leaves allow gas exchange?

(A) Root hairs
(B) Sieve plates
(C) Xylem vessels
(D) Stomata
Show Answer
Answer: (D) Stomata

19. Water loss from leaves can help pull water upward through:

(A) Xylem
(B) Epidermis only
(C) Sclerenchyma fibres only
(D) Root hairs only
Show Answer
Answer: (A) Xylem

20. Which simple permanent tissue commonly stores food in plants?

(A) Sclerenchyma
(B) Collenchyma
(C) Parenchyma
(D) Xylem vessels
Show Answer
Answer: (C) Parenchyma

Set 3: Simple and Complex Plant Tissues

Questions 21–30

21. Which tissue can carry out photosynthesis when its cells contain chloroplasts?

(A) Sclerenchyma
(B) Parenchyma
(C) Xylem fibres
(D) Cork
Show Answer
Answer: (B) Parenchyma

22. Air spaces in the parenchyma of many aquatic plants help with:

(A) Bone formation
(B) Nerve transmission
(C) Blood circulation
(D) Buoyancy and floating
Show Answer
Answer: (D) Buoyancy and floating

23. Which plant tissue provides flexible support to growing stems?

(A) Collenchyma
(B) Phloem
(C) Epidermis
(D) Xylem vessels
Show Answer
Answer: (A) Collenchyma

24. The uneven thickening of collenchyma cell walls is commonly associated with:

(A) Haemoglobin
(B) Chlorophyll alone
(C) Cellulose and pectin
(D) DNA only
Show Answer
Answer: (C) Cellulose and pectin

25. Which plant tissue is strengthened by thick, lignified walls?

(A) Parenchyma
(B) Sclerenchyma
(C) Collenchyma
(D) Meristem
Show Answer
Answer: (B) Sclerenchyma

26. Mature sclerenchyma cells are generally:

(A) Actively dividing
(B) Filled with chloroplasts in every case
(C) Always soft and thin-walled
(D) Dead
Show Answer
Answer: (D) Dead

27. Which is a common example of sclerenchyma-rich material?

(A) Coconut husk
(B) Human blood plasma
(C) Stomach lining
(D) Brain tissue
Show Answer
Answer: (A) Coconut husk

28. Which pair transports materials through plants?

(A) Epidermis and cuticle
(B) Collenchyma and cork
(C) Xylem and phloem
(D) Parenchyma and cuticle only
Show Answer
Answer: (C) Xylem and phloem

29. Why are xylem and phloem called complex tissues?

(A) Each contains only one kind of cell
(B) Different cell types work together in each tissue
(C) They occur only in flowers
(D) Neither transports substances
Show Answer
Answer: (B) Different cell types work together in each tissue

30. What is the principal role of xylem?

(A) Carrying nerve signals
(B) Moving food from leaves only
(C) Making pollen
(D) Transporting water and minerals from roots
Show Answer
Answer: (D) Transporting water and minerals from roots

Set 4: Conducting Tissues and Animal Tissues

Questions 31–40

31. Which component of xylem is living at maturity?

(A) Vessel elements
(B) Tracheids
(C) Xylem parenchyma
(D) Xylem fibres
Show Answer
Answer: (C) Xylem parenchyma

32. What do sieve tubes mainly transport?

(A) Sugars and other organic nutrients
(B) Water from soil only
(C) Oxygen to the lungs
(D) Nerve impulses
Show Answer
Answer: (A) Sugars and other organic nutrients

33. Companion cells are associated with:

(A) Bone tissue
(B) Sieve tubes in phloem
(C) Skeletal muscle fibres
(D) Epidermal root hairs only
Show Answer
Answer: (B) Sieve tubes in phloem

34. Which plant tissue system forms the protective outer covering?

(A) Vascular
(B) Ground
(C) Muscular
(D) Dermal
Show Answer
Answer: (D) Dermal

35. Parenchyma, collenchyma and sclerenchyma belong mainly to which plant tissue system?

(A) Dermal
(B) Nervous
(C) Ground
(D) Muscular
Show Answer
Answer: (C) Ground

36. The vascular tissue system consists of:

(A) Xylem and phloem
(B) Epidermis and cuticle
(C) Parenchyma and collenchyma only
(D) Muscle and nerve tissue
Show Answer
Answer: (A) Xylem and phloem

37. Which four major tissue types occur in animals?

(A) Xylem, phloem, epidermis and cork
(B) Parenchyma, collenchyma, xylem and phloem
(C) Apical, lateral, intercalary and permanent
(D) Epithelial, connective, muscular and nervous
Show Answer
Answer: (D) Epithelial, connective, muscular and nervous

38. Which tissue covers body surfaces and lines many internal organs?

(A) Nervous
(B) Epithelial
(C) Muscular
(D) Connective
Show Answer
Answer: (B) Epithelial

39. Closely packed epithelial cells are especially useful for:

(A) Storing minerals in stems
(B) Transporting sugars in plants
(C) Covering and protecting surfaces
(D) Making plant cell walls
Show Answer
Answer: (C) Covering and protecting surfaces

40. Which epithelial structure is best suited for rapid diffusion in lung air sacs?

(A) A thin layer of flat cells
(B) Thick layers of hard cells
(C) Long skeletal muscle fibres
(D) Dense bone tissue
Show Answer
Answer: (A) A thin layer of flat cells

Set 5: Connective Tissue, Muscles and Joints

Questions 41–50

41. Which connective tissue provides a rigid framework and protects organs?

(A) Blood
(B) Bone
(C) Tendon
(D) Adipose tissue
Show Answer
Answer: (B) Bone

42. Which tissue cushions the ends of bones at many joints?

(A) Blood
(B) Tendon
(C) Ligament
(D) Cartilage
Show Answer
Answer: (D) Cartilage

43. Which connective tissue attaches a muscle to a bone?

(A) Tendon
(B) Ligament
(C) Cartilage
(D) Blood
Show Answer
Answer: (A) Tendon

44. Which structure connects one bone to another at a joint?

(A) Tendon
(B) Muscle fibre
(C) Ligament
(D) Nerve
Show Answer
Answer: (C) Ligament

45. Which muscle type controls many voluntary body movements?

(A) Smooth muscle
(B) Skeletal muscle
(C) Cardiac muscle
(D) None of these
Show Answer
Answer: (B) Skeletal muscle

46. Which muscle tissue is found in the walls of the stomach and intestines?

(A) Skeletal muscle
(B) Cardiac muscle
(C) Tendon tissue
(D) Smooth muscle
Show Answer
Answer: (D) Smooth muscle

47. Which muscle tissue is specialised for the pumping action of the heart?

(A) Cardiac muscle
(B) Skeletal muscle
(C) Smooth muscle
(D) Connective tissue
Show Answer
Answer: (A) Cardiac muscle

48. Which part of a neuron usually receives signals from other cells?

(A) Axon
(B) Myelin sheath only
(C) Dendrites
(D) Tendon
Show Answer
Answer: (C) Dendrites

49. Which joint allows movement in several directions, including rotation?

(A) Fixed joint
(B) Ball-and-socket joint
(C) Hinge joint
(D) Immovable joint
Show Answer
Answer: (B) Ball-and-socket joint

50. Which components work together in the musculoskeletal system?

(A) Only bones
(B) Only muscles and nerves
(C) Only joints and cartilage
(D) Bones, muscles, joints, cartilage, tendons and ligaments
Show Answer
Answer: (D) Bones, muscles, joints, cartilage, tendons and ligaments