Plant Growth and Development questions
465 published questions with worked solutions.
- One of the commonly used plant growth hormone in tea plantations is
- Root development is promoted by
- Phototropic curvature is the result of uneven distribution of
- Coiling of garden pea tendrils around any support is an example of
- Which one of the following generally acts as an antagonist to gibberellins ?
- Through their effect on plant growth regulators, what do the temperature and light control in the plants?
- Age of a tree can be estimated by :
- Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when...
- Which one of the following growth regulators is known as 'stress hormone'?
- Typical growth curve in plants is :-
- What causes a green plant exposed to the light on only one side, to bend toward the source of light as it grows ?
- The avena curvature is used for bioassay of:
- Fruit and leaf drop at early stages can be prevented by the application of
- It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially...
- Which one of the following is not a characteristic of plant cells in the phase of elongation?
- Match List-I with List-II List-I (Growth Regulator) A. 2,4-D B. GA_3 C. Kinetin D. ABA List-II (Function/Effect) I. Brewing...
- Heterophyllous development in response to environment is an example of which of the following phenomena?
- Which of the following plant growth regulators is used as herbicide?
- Which of the following plant growth regulators promotes internode elongation prior to flowering in cabbage?
- Length of the stem at time 0 is 20 cm. The arithmetic growth rate is 30 cm per day. What is the length of the stem at the end of...
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