Reproduction - Reproduction in Organisms

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Q1. Which type of reproduction is characterized by the formation of a new organism from a part of the parent organism? (2023)

Solution:

All of the mentioned methods (budding, binary fission, and fragmentation) involve the formation of new organisms from parts of the parent.

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Q2. Which of the following statements about parthenogenesis is true? (2020)

Solution:

Parthenogenesis is a form of asexual reproduction where offspring develop from unfertilized eggs.

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Q3. What is the term for the process where an organism develops from an unfertilized egg? (2020)

Solution:

Parthenogenesis is a form of asexual reproduction where an organism develops from an unfertilized egg.

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Q4. In which of the following organisms does external fertilization occur? (2021)

Solution:

Frogs exhibit external fertilization where eggs and sperm are released into the water.

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Q5. Which of the following organisms reproduces by parthenogenesis? (2022)

Solution:

Honeybees can reproduce by parthenogenesis, where an egg develops into an organism without fertilization.

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Q6. Which of the following organisms reproduces sexually? (2023)

Solution:

Mammals reproduce sexually, while bacteria typically reproduce asexually, and fungi can reproduce both sexually and asexually.

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Q7. In which type of reproduction does genetic variation occur? (2019)

Solution:

Sexual reproduction involves the combination of genetic material from two parents, leading to genetic variation.

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Q8. In flowering plants, the male gamete is produced in which part? (2021)

Solution:

The male gamete is produced in the anther, which is part of the stamen in flowering plants.

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Q9. What is the primary mode of reproduction in unicellular organisms? (2020)

Solution:

Unicellular organisms primarily reproduce asexually, often through processes like binary fission.

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Q10. Which of the following organisms reproduces asexually by budding? (2021)

Solution:

Hydra reproduces asexually by the process of budding, where a new individual develops from an outgrowth of the parent.