Coordination in Plants (Tropisms, Plant Hormones)Practice Questions & MCQs
Practice Coordination in Plants (Tropisms, Plant Hormones) questions from Control and Coordination (Class 10 Science) - important MCQs with answers and step-by-step solutions. Solve the sample questions below, then practice the full set free on the RankByte app.
Coordination in Plants (Tropisms, Plant Hormones)Quiz - Solve & Score
Q1. What is the process called by which a seed develops into a young plant (seedling) under suitable conditions?
- A.Germination
- B.Pollination
- C.Fertilisation
- D.Ovulation
Answer: A. Germination
Q2. What will happen to the garbage, and dead animals and plants in their absence?
- A.The natural replenishment of the soil will take place even if decomposers are not there.
- B.The garbage, and dead animals and plants will decompose quickly.
- C.The garbage, and dead animals and plants will not decompose at all.
- D.The garbage, and dead animals and plants will not decompose and will accumulate.
Answer: D. The garbage, and dead animals and plants will not decompose and will accumulate.
NCERT fact (biology, chapter 'Control and Coordination'): The garbage, and dead animals and plants will not decompose and will accumulate. Why option D fits - This is the correct answer as mentioned in the textbook. Distractor analysis: option A) 'The natural replenishment of the soil will take place even...' is wrong because Decomposers are necessary for the natural replenishment of the soil; option B) 'The garbage, and dead animals and plants will decompose qui...' misses the point - Decomposers are necessary for decomposition. Final answer - D) The garbage, and dead animals and plants will not decompose and will accumulate.
Q3. Which plant hormone, by being present in higher concentration on the side of the shoot away from light, makes those cells grow longer (so the shoot bends towards light)?
- A.Auxin
- B.Cytokinin
- C.Abscisic acid
- D.Gibberellin
Answer: A. Auxin
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