Growth and development sequence in plants: Arrange the following from the beginning to later stages—(a) Seed, (b) Plant (seedling/young plant), (c) Flower, (d) Fruit, (e) Tree (mature plant).
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Aa, b, c, d, e
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Bb, c, d, e, a
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Ca, e, d, c, b
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Da, b, e, c, d
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ENone of these
Answer
Correct Answer: a, b, e, c, d
Explanation
Introduction / Context:This question asks you to arrange biological stages of a typical flowering plant from the earliest point (seed) to later developments (mature tree, flower, fruit). Such ordering tests basic life-science knowledge and real-world reasoning about growth and reproduction in plants.
Given Data / Assumptions:
- Items: Seed, Plant (seedling/young plant), Flower, Fruit, Tree (mature stage).
- “Plant” denotes the early vegetative stage; “Tree” denotes the mature plant capable of regular reproduction.
- Typical angiosperm cycle: vegetative growth precedes flowering, which precedes fruiting.
Concept / Approach:Use the standard biological progression: a seed germinates into a young plant; with continued growth it becomes a mature plant (tree). Reproductive phases follow maturity: flowering first, then fruiting (as fruits develop from flowers/ovaries).
Step-by-Step Solution:
Start with Seed → (a).Germination/seedling as Plant → (b).Maturation to Tree → (e).Reproductive onset: Flower → (c).Post-flowering product: Fruit → (d).Order: a, b, e, c, d.Verification / Alternative check:Fruits develop from flowers; flowers appear on mature plants. Therefore any order placing fruit before flower or before maturity is biologically inconsistent.
Why Other Options Are Wrong:
- a, b, c, d, e: Puts flowering and fruiting before the plant is mature.
- b, c, d, e, a and a, e, d, c, b: Misplace seed and/or fruit relative to flower.
- None of these: Not needed because a correct sequence exists.
Common Pitfalls:Confusing “plant” (seedling) with a mature “tree”; assuming fruit can precede flowering.
Final Answer:a, b, e, c, d