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Olympiad (Class 7) Reproduction in Plants — practice questions

Explore 70 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 1–30 of 70.

A strawberry plant spreads along the ground by prostrate aerial stems. What are these stems called?Read the answer and worked solution →A farmer plants pieces of potato that carry buds. Which structure is he using to raise new plants?Read the answer and worked solution →Which underground structure lets an onion reproduce vegetatively?Read the answer and worked solution →A gladiolus stores food in a solid underground stem wrapped in papery leaves. What is it called?Read the answer and worked solution →Which reproduction in plants gives offspring genetically identical to the parent?Read the answer and worked solution →After gametes fuse into a seed, how is the seedling related to its parents?Read the answer and worked solution →How many parent plants take part in asexual reproduction?Read the answer and worked solution →Iris and couch grass spread by a modified underground stem. What is it called?Read the answer and worked solution →A gardener plants a cut piece of stem and new roots grow from it. What type of roots are these?Read the answer and worked solution →In grafting, what is the rooted plant that receives the desired cutting called?Read the answer and worked solution →An orchardist joins a twig of a sweet mango variety onto a rooted mango seedling. Which method is this?Read the answer and worked solution →A jasmine branch is bent down and covered with soil while still attached to the plant. Which method is this?Read the answer and worked solution →In plant tissue culture, what is the mass of developed tissue called?Read the answer and worked solution →In which medium are plant cells grown during tissue culture?Read the answer and worked solution →One disease can wipe out a field of cloned plants. Why?Read the answer and worked solution →To keep the sweet fruit of one tree in all new plants, what is best?Read the answer and worked solution →Which tissue of constantly dividing undifferentiated cells makes vegetative propagation possible?Read the answer and worked solution →New shoots rise from buds at the base of a banana plant's stem. What are these shoots called?Read the answer and worked solution →Kalanchoe daigremontiana is called mother of thousands. Where do its tiny new plants arise?Read the answer and worked solution →Which of these is NOT a way of asexual reproduction in plants?Read the answer and worked solution →A dandelion makes seeds without fertilisation. The seedlings are what?Read the answer and worked solution →Which of these has a single set of chromosomes in each cell?Read the answer and worked solution →The fusion of a male and a female gamete in a plant produces what?Read the answer and worked solution →In flowering plants, where are the reproductive organs located?Read the answer and worked solution →Which part of a flower makes the pollen grains?Read the answer and worked solution →A pollen grain lands on the sticky top of the carpel. What is this part called?Read the answer and worked solution →In the carpel of a flowering plant, the female gametophytes lie inside which structures?Read the answer and worked solution →After pollination, a pollen grain grows a tube through which part of the carpel?Read the answer and worked solution →What is the transfer of pollen from an anther to a stigma called?Read the answer and worked solution →Pollen is carried to a flower on a different plant of the same species. Which type of pollination is this?Read the answer and worked solution →

Worked practice questions

A strawberry plant spreads along the ground by prostrate aerial stems. What are these stems called?

  1. Corms
  2. Bulbs
  3. Tubers
  4. Runners
Show answer and solution

Correct answer: D. Runners

Runners (stolons) creep over the soil and form new plants at their nodes, as in strawberry.

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A farmer plants pieces of potato that carry buds. Which structure is he using to raise new plants?

  1. Runners
  2. Bulbs
  3. Corms
  4. Tubers
Show answer and solution

Correct answer: D. Tubers

A potato is a swollen underground stem tuber, and each bud on it can grow into a new plant.

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Which underground structure lets an onion reproduce vegetatively?

  1. Tuber
  2. Corm
  3. Runner
  4. Bulb
Show answer and solution

Correct answer: D. Bulb

An onion divides its underground bulb into more bulbs, each growing into a separate plant.

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