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DSSSB TGT C10reproduction — practice questions

Explore 10 free C10reproduction questions in DSSSB TGT Science. Open each question or exercise to read its content, reference answers and available explanation.

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C10reproduction questions and exercises with answers

Showing questions 1–10 of 10.

The HYDRA reproduces ASEXUALLY by:Read the answer and worked solution →The MAIN ADVANTAGE of SEXUAL reproduction over asexual reproduction is:Read the answer and worked solution →In FLOWERING PLANTS, after pollination and fertilisation, the OVARY of the flower develops into the:Read the answer and worked solution →In humans, FERTILISATION normally takes place in the:Read the answer and worked solution →Asexual or sexual reproduction?Read the answer and worked solution →Match each organism to how it reproducesRead the answer and worked solution →Tap every vegetative propagation methodRead the answer and worked solution →True or false: reproductionRead the answer and worked solution →Order the steps from pollen to embryoRead the answer and worked solution →Which one does NOT belong?Read the answer and worked solution →

Worked practice questions

The HYDRA reproduces ASEXUALLY by:

  1. Multiple fission into several daughter cells
  2. Budding with bud growing on its parent body
  3. Vegetative propagation via underground rhizome
  4. Spore formation when conditions get unfavourable
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Correct answer: B. Budding with bud growing on its parent body

Hydra reproduces asexually by BUDDING. A small projection (bud) develops on the parent and eventually detaches as a new individual. Yeast also uses budding.

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The MAIN ADVANTAGE of SEXUAL reproduction over asexual reproduction is:

  1. Mixing of two parents' DNA, creating variation
  2. Speed: sexual reproduction is much faster than asexual
  3. Energy efficiency: it costs less energy than asexual
  4. No need for two parents to be involved in the process
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Correct answer: A. Mixing of two parents' DNA, creating variation

Sexual reproduction mixes DNA from two parents, creating offspring with new genetic combinations. This variation is the raw material for natural selection and evolution. Asexual reproduction is faster but produces identical copies.

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In FLOWERING PLANTS, after pollination and fertilisation, the OVARY of the flower develops into the:

  1. Petal of the new generation flower
  2. Stem of the next plant generation
  3. Fruit, with the ovule becoming the seed
  4. Root of the next plant generation
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Correct answer: C. Fruit, with the ovule becoming the seed

After fertilisation, the ovary develops into the FRUIT and the ovule develops into the SEED. The petals usually wither and fall. The fruit may protect or aid dispersal of seeds.

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