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प्रश्न
What are seasonal breeders? Give an example.
उत्तर
Seasonal breeders are organisms that perform breeding and have active reproductive cycles during particular breeding season e.g.. Birds
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संबंधित प्रश्न
Describe the process of fertilisation in human beings.
In which female reproductive organ does the embryo get embedded?
Name two plants which reproduce by sexual reproduction method and two plants which reproduce by asexual reproduction methods.
Multiple choice question. Tick (✓) the correct choice:
Which of the following glands is responsible for bringing about changes during adolescence in boys and girls?
- pituitary
- adrenal
- thyroid
- testis
Differentiate between the following:
External fertilisation and Internal fertilisation.
What is parthenogenesis? Give two examples from animals
Give reason for the following:
Some organisms like honey bees are called parthenogenetic animals
How is juvenile phase different from reproductive phase?
Due to presence of which of the following chemical component, pollen grains can remain well preserved in fossil?
______ is the first stage of sexual reproduction.
