Biology Quiz - Functions of Plant Parts
1. The green pigment contained in plants is:
A carotene
B chlorophyll
C chloroplast
2. Photosynthesis is the process where plants convert:
A sugar and sunlight into oxygen
B sugar and oxygen into carbon dioxide and energy
C carbon dioxide and water into sugar and oxygen
3. Water is taken from the surroundings into the plant through the:
A leaves
B stems
C roots
4. The function of root hairs is to:
A increase surface area for greater absorption of water
B protect the plant from invading fungi and worms
C provide support for the plant
5. Water travels through the stem of a plant by:
A transpiration
B evaporation
C capillary action
6. Sap contains water and:
A poisons only
B nutrients such as sugar
C only wastes such as carbon dioxide
7. The loss of water through the leaves of a plant is called:
A inspiration
B expiration
C transpiration
8. The outer layer of a plant is called the:
A epidermis
B dermis
C rings
9. The cuticle is a waxy layer on the surface of a leaf. Its function is to:
Areduce water loss
Bprotect the plant from viruses
Ctake in gases needed for photosynthesis
10. The stomata are the pores in the leaf. Their function is to take in:
Acarbon dioxide for photosynthesis
Boxygen for photosynthesis
Ccarbon dioxide for respiration
11. Plants respire:
Aonly in sunlight
Bonly at night
Call the time
12. An example of a stem edible to humans is:
Acarrot
Bcelery
Csunflower
13. A vegetable whose root is commonly eaten by humans is the:
Atomato
Bcelery
Cpotato
14. An example of a plant whose seeds are eaten commonly by humans is:
Apotato
Brice
Ccelery
15. An example of a fruit containing seeds that is edible to humans is a:
Atomato
Bpotato
Cmushroom

 

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