Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETBotanyPlant - Growth and Development

Read the following statements and choose the following option: 1. The first step of plant growth is seed germination 2. Development is the sum of three processes - growth, variation and differentiation 3. The seed germinates when unfavourable conditions for growth exist in the environment. 4. In absence of such favourable conditions the seeds do not germinate and goes into a period of suspended growth or rest. 5. Onc

Options

  1. AOnly 1 and 4 are correct
  2. BBoth 1 and 2 is incorrect
  3. COnly 2 is correct
  4. DAll are correct except5

Correct answer

A. Only 1 and 4 are correct

Step-by-step solution

The first step in the process of plant growth is seed germination. The seed germinates when favourable conditions for growth exist in the environment. In absence of such favourable conditions the seeds do not germinate and goes into a period of suspended growth or rest. Once favourable conditions return, the seeds resume metabolic activities and growth takes place.

Practice Plant - Growth and Development on Quantrex Academy →

More from Plant - Growth and Development

Heterophyllous development in response to environment is an example of which of the following phenomena ? 2026Length 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 the 7^ th day ? 2026Which of the following plant growth regulators promotes internode elongation prior to flowering in cabbage ? 2026Which one of the following is not a characteristic of plant cells in the phase of elongation ? 2026Match List I with List II : List I (Growth Regulator) List II (Function/Effect) A. 2,4 -D I. Brewing industry B. GA ₃ II. Stimulation of stomatal closure C. Kinetin III. Herbicide 2026Which of the following plant growth regulators is used as herbicide ? 2026Which one of the following phytohormones promotes nutrient mobilization which helps in the delay of leaf senescence in plants? 2025Read the following statements on plant growth and development. (A) Parthenocarpy can be induced by auxins. (B) Plant growth regulators can be involved in promotion as well as inhib 2025 Full Plant - Growth and Development list All NEET PYQs