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CTET Prep: Science Questions - Biology - Plant Physiology
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Plant physiology deals with different plant structures and their functioning. It enables analysing processes in plants, namely – photosynthesis, mineral nutrition, respiration, transportation, and ultimately plant development and growth which are traits displayed by living entities.

CTET Prep: Science Questions - Biology - Plant Physiology
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25 Questions

1. An element present in chlorophyll is
2. The force by which water move upwards into tracheary elements of xylem in the root region is
3. Food products are kept in cold storage or refrigeration in order to
4. Which one yields the maximum energy?
5. Seeds swell when it is placed in water due to
6. When a Potato piece is kept in a highly concentrated salt solution, then
7. The process in which loss of water occurs in the form of water vapour through aerial part of plant is
8. Which of the following gas is absorbed during photosynthesis?
9. Water exadation through hydothodes is
10. ATP is
11. Translocation of food occur through
12. Hydrathodes occur on
13. A cell increases in volume if the external medium is
14. Condition in which rate of transpiration increases is
15. Consider the following statements:
1. Molasses is a by-product of sugar production process.
2. Bagasse obtained in the sugar mills is used as a fuel in the boilers to generate steam for factories.
3. Sugar can only be produced from sugarcane as the raw material. Which of these statements are correct?
16. Leaves are green because they
17. Phototrophic and Geotropic movements are linked to
18. Krebs cycle forms an important product
19. For the growth in length of plant which of the following is not essential?
20. The leaves of Mimosa pudica droop down on touch because
21. Gibberellin brings about
22. Dwarfness can be controlled by treating the plant with
23. Which one of the following plants produces seed but not fruit?
24. Osmosis involves
25. Growth rate of plant when plolted on the paper against time, then “S” shaped curve is obtained, it is called