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Olympiad (Class 7) Reproduction in Plants — practice questions — page 3

Explore 74 free Reproduction in Plants questions in Olympiad (Class 7) Science. Open each question or exercise to read its content, reference answers and available explanation.

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Reproduction in Plants questions and exercises with answers

Showing questions 61–74 of 74.

A plant scatters its seeds with no help from any outside agent. What is this dispersal called?Read the answer and worked solution →Compared with wind or animals, how far do self-dispersing plants usually spread seeds?Read the answer and worked solution →Which statement about vegetative reproduction is true?Read the answer and worked solution →Natural vegetative reproduction is mostly seen in which kind of plants?Read the answer and worked solution →Liverworts and mosses form clones from detachable cells or cell masses. What are these called?Read the answer and worked solution →On a fern's fertile leaves, groups of sporangia are called what?Read the answer and worked solution →A fern spore grows into a small, heart-shaped green gametophyte. What is it called?Read the answer and worked solution →Why do mosses need a film of water for sexual reproduction?Read the answer and worked solution →On which structures do conifers bear their reproductive parts?Read the answer and worked solution →In which group is the ovule exposed, not enclosed inside a carpel?Read the answer and worked solution →Match each asexual plant reproduction mode with its botanical mechanism:Read the answer and worked solution →Match each floral reproductive organ with its component parts:Read the answer and worked solution →Match each pollination classification with its pollen transfer:Read the answer and worked solution →Match each post-fertilization botanical change in a flower:Read the answer and worked solution →

Worked practice questions

A plant scatters its seeds with no help from any outside agent. What is this dispersal called?

  1. Allochory
  2. Zoochory
  3. Autochory
  4. Hydrochory
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Correct answer: C. Autochory

Autochory means the plant disperses its own seeds without an external vector.

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Compared with wind or animals, how far do self-dispersing plants usually spread seeds?

  1. Only a limited distance
  2. Equally far as wind
  3. Across wide oceans
  4. Over other continents
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Correct answer: A. Only a limited distance

Without an outside vector, the distance that seeds can travel is considerably limited.

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Which statement about vegetative reproduction is true?

  1. No fusion of gametes is involved
  2. Pollen is always required
  3. Two parents must be present
  4. A seed must first form
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Correct answer: A. No fusion of gametes is involved

Vegetative reproduction makes new individuals without any fusion of gametes.

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