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1. A group of cells similar in structure and working together to perform a specific function is called
A. Organ
B. Organ system
C. Tissue
D. Cell
2. In multicellular organisms, division of labour is performed by
A. Organelles
B. Cells
C. Tissues
D. Organ systems
3. Which type of plant tissue is responsible for growth?
A. Permanent tissue
B. Collenchyma
C. Meristematic tissue
D. Sclerenchyma
4. Apical meristem is found at the
A. Root and shoot tips
B. Stem base
C. Leaf veins
D. Bark
5. Lateral meristem helps in
A. Increasing length
B. Increasing girth
C. Photosynthesis
D. Storage of food
6. Intercalary meristem is found near
A. Root tips
B. Nodes
C. Flower buds
D. Fruits
7. Cells of meristematic tissue are
A. Dead with thick walls
B. Living with vacuoles
C. Active and lack vacuoles
D. Dead and empty
8. The process by which cells take up a permanent shape and function is called
A. Diffusion
B. Differentiation
C. Division
D. Transformation
9. Simple permanent tissue includes
A. Xylem
B. Phloem
C. Parenchyma
D. Cambium
10. Parenchyma cells are
A. Dead
B. Living
C. Thick-walled
D. Lignified
11. The parenchyma that performs photosynthesis is called
A. Collenchyma
B. Chlorenchyma
C. Aerenchyma
D. Sclerenchyma
12. Aerenchyma is present in
A. Desert plants
B. Aquatic plants
C. Trees
D. Herbs
13. Collenchyma provides
A. Rigidity
B. Mechanical support and flexibility
C. Food storage
D. Photosynthesis
14. Sclerenchyma cells are
A. Living and thin-walled
B. Dead and thick-walled
C. Living and elastic
D. Dead with vacuoles
15. The husk of coconut is made up of
A. Collenchyma
B. Parenchyma
C. Sclerenchyma
D. Xylem
16. The outermost layer of the plant body is
A. Cork
B. Epidermis
C. Phloem
D. Cambium
17. The pores on the leaf surface are called
A. Stomata
B. Lenticels
C. Tracheids
D. Nodes
18. Stomata are surrounded by
A. Phloem cells
B. Guard cells
C. Sclerenchyma cells
D. Cork cells
19. In desert plants, epidermis is covered with
A. Cutin
B. Lignin
C. Suberin
D. Chlorophyll
20. Cork cells contain a substance called
A. Cellulose
B. Suberin
C. Cutin
D. Lignin
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