Reproduction - Reproduction in Organisms

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Q1. In which of the following does external fertilization occur? (2019)

Solution:

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

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Q2. What type of reproduction occurs in hydra? (2023)

Solution:

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

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Q3. Which of the following organisms is known for regeneration as a form of asexual reproduction? (2021)

Solution:

Starfish can regenerate lost arms, which is a form of asexual reproduction.

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Q4. Which type of reproduction results in offspring that are genetically identical to the parent? (2022)

Solution:

Asexual reproduction results in offspring that are genetically identical to the parent organism.

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Q5. Which of the following organisms reproduces through vegetative propagation? (2020)

Solution:

Mango trees can reproduce through vegetative propagation, which is a form of asexual reproduction.

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Q6. What type of reproduction occurs in sponges? (2020)

Solution:

Sponges can reproduce both asexually through budding and sexually by producing gametes.

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Q7. 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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Q8. Which of the following is asexual reproduction? (2019)

Solution:

Binary fission in amoeba is a form of asexual reproduction where a single organism divides into two.

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Q9. 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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Q10. 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.