Plant Growth and Development — practice questions
61 curated practice questions from Plant Growth and Development (Biology NEET, NTA Exams) — 24 easy, 15 hard, 22 medium. Every question includes the final answer free; step-by-step worked solutions with a free account.
- Female flower in genetically male plant is obtained by applying
- Induction of cell division and delay in senescence is due to:
- Which of these can be used as parameter for measuring growth?
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT - 1…
- The deteriorative processes in plants that naturally terminate their functional life are collectively called:
- Which phytohormone is used in malting process in browing industry?
- Which plant hormone can be used in synchronising fruit set in pineapple.
- In order to increase sugar production in sugarcane, it is sprayed with
- If IAA and ethylene are applied to a shoot, what will happen to the movement of stem and leaf?
- Auxin is used by gardeners to prepare weed-free lawns. But no damage is caused to grass as auxin
- Given below are two statements: Statement I : Only living permanent tissue in plant can undergo dedifferentiation…
- Gibberellins can promote seed germination because of their influence on:
- Given below are two statements: Statement I : Growth occurs in all parts of the plant. Statement II : Growth occurs at…
- Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R). Assertion (A) …
- To obtain good callus in plant tissue culture, which hormones must be supplied
- Phototropic curvature is the result of uneven distribution of
- Which of the following features are characteristic of the 'open form of growth' in plants? I. All cells of the plant…
- Fruit and leaf drop at early stages can be prevented by the application of
- Given below are two statements: Statement I : Shoot differentiation is dependent on high ratio of cytokinin: auxin…
- Which of the following prevents the premature fall of fruits?
- Naturally occurring growth promoting hormone is:
- Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus…
- Which one of the following growth regulators is known as stress hormone?
- In order of increase the yield of sugarcane crop, which of the following plant growth regulators should be sprayed?
- What will happen when auxin content of the leaves and fruits decrease?
- F. Skoog observed that callus proliferated from the internodal segments of tobacco stem when auxin was supplied with…
- In tea gardens, the plants are trimmed regularly by gardner. This is done to
- The plant hormone used for inducing morphogenesis in plant tissue culture is:
- Which of the following is responsible for synthesis of enzyme in seed germination?
- You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of…
- Which of the following PGRs are correctly categorized? I. Auxin - Growth Promoter II. Ethylene - Growth Promoter III…
- In bakane disease of rice, plant infected with fungus Gibberella fujikori
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT - 1…
- Which of the following is indispensable for plant cell culture?
- What is the relative growth rate of plant root, increasing from 8 cm to 20 cm in 3 days?
- Which of the following statement(s) are INCORRECT? I. Differentiation leads to the loss of protoplasm in tracheary…
- Bolting is the process of elongation of stem in rosette plants. It can be done with the help of:
- What causes a green plant exposed to the light on only one side, to bend toward the source of light as it grows?
- Which of the following plant hormone is extracted from fungus?
- Given below are two statements: Statement I : Redifferentiation causes formation of callus from medullary rays cells…
- Which is not an extrinsic factor of development in plants Light Nutrition Phytohormone Water
- Seed germination in which the cotyledons are brought above the ground due to the elongation of hypocotyl is:
- Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a…
- For artificial ripening of fruits, which of the following hydrocarbons is used:
- What is the growth rate of a plant root, which increased from 8 cm to 20 cm in 3 days.
- Removal of shoot tips is a very useful technique to boost the production of tea-leaves. This is because:
- Cell elongation in internodal region of the green plants take place due to:
- Given below are two statements: Statement I : During embryo development in plant, growth is first geometric, after…
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT- 1…
- In the light of the above statements, choose the correct answer from the options given below: STATEMENT- 1 (Assertion)…
- Which plant hormone is a modified form of Nitrogen base
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- Pruning of plant promotes branching because the axillary buds get sensitized to:
- A buttercup plant produces differently shaped leaves when grown submerged in water versus in air. This observation is…
- Apical dominance is due to:
- From the statements given below choose the INCORRECT statement(s): I. In arithmetic growth, only one daughter cell…
- Which of the following is particularly effective in increasing fruit size?
- The correct sequence of events leading to the release of apical dominance is: I. Growth of lateral buds into branches…
- The correct sequence of the developmental process in a plant cell is: I. Maturation II. Cell Division III. Expansion…
- Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing…