Free Forms and Functions of Plants MCQs with Answers
272 Forms and Functions of Plants MCQs from Biology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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272 questions · page 28 of 28
271. The term "Sink of assimilate" is used to describe:
- A. Buds
- B. Seeds
- C. Root and underground stem
- D. All of the above
Explanation: The term "Sink of assimilate" is used to describe various plant parts like seeds, buds, and underground stems. These plant parts act as storage sites for the sugars and nutrients produced during photosynthesis. They "sink" or receive and store the assimilates, which are the products of photosynthesis. This stored energy can be used later for growth, development, or reproduction. It's like a storage bank for the plant.
Correct answer: All of the above272. C55H70MgN4O6 is the molecular formula of :
- A. Chlorophyll A
- B. Chlorophyll B
- C. Chlorophyll C
- D. Chlorophyll D
Explanation: The above formula represents the structure of chlorophyll b. Chlorophyll b is a pigment found in plants and algae that plays a key role in photosynthesis. It absorbs light energy and transfers it to chlorophyll a, which is the primary pigment involved in capturing sunlight for photosynthesis. The molecular formula provides information about the number and types of atoms present in the chlorophyll b molecule.
Correct answer: Chlorophyll B