Question 5-7 of 62: Plant Physiology | CUET (Common University Entrance Test) PG Agriculture Science (SCQP01) | Includes PYQs | Get Solutions with Detailed Explanations
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Question 5
MCQ
Read the question, then carefully choose the correct answer(s).
Appeared in Year: 2021
Wheat plants treated with the prolonged cold temperature at the seedling stage flower earlier than the untreated control. Seeds collected from these treated individuals, however, give rise to plants that do not flower early. This phenomenon is called
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Adaptation | |
b. | Temperature acclimation | |
c. | Photoperiodism | |
d. | Vernalization | |
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Question 6
MCQ
Read the question, then carefully choose the correct answer(s).
Appeared in Year: 2021
Which ONE of the following organelles controls gravitropism in the roots of higher plants?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Chromoplast | |
b. | Amyloplast | |
c. | Etioplast | |
d. | Chloroplast | |
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Question 7
MCQ
Read the question, then carefully choose the correct answer(s).
Appeared in Year: 2021
The figure shows the germination percentage of imbibed seeds treated with the given sequence of red (R) and far-red (F) light (each exposure lasting 5 min). The percentage of germination was scored after 72 hours in darkness at . Based on this, which ONE of the following options is CORRECT?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Both red and far-red light induce seed germination. | |
b. | Red light induces seed germination whereas far-red light inhibits it. | |
c. | Red light inhibits seed germination whereas far-red light induces it. | |
d. | Both red and far-red light inhibits seed germination. | |
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