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प्रश्न
What is lactation? Which hormone is responsible for its regular secretion?
उत्तर
- Lactation is the process by which the mammary glands of the female start producing milk at the end of pregnancy.
- Prolactin is the hormone that is responsible for its regular secretion.
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संबंधित प्रश्न
In the following figure, explain how new fungal colonies mucor are formed:
Identify and state the type of reproduction represented in the above figure.
Observe the given diagram and explain the method of reproduction.
Read the following paragraph and write the answers to the questions based on it.
Reproduction is an important process for the survival of an organism. Asexual reproduction occurs in different ways in plants. E.g. Vegetative propagation, fragmentation, budding, spore formation etc. Gametes are formed for sexual reproduction. In the animal kingdom, various methods like budding, binary fission, and parthenogenesis are used. There is no difference between males and females in the animals in which these methods are observed. The method of regeneration also creates new organisms. But regeneration is not the real method of reproduction. Regeneration is the process of healing wounds, creating new organs. This ability has completely disappeared in the developed animals. Modern research is being done on the method of sexual reproduction, e.g. Cloning. So, in the future women will be able to create their own offspring without a father.
- How do living organisms maintain their own species continuity?
- What are the methods of asexual reproduction in animals?
- Why is it said that regeneration is not the real method of reproduction?
- What are the different methods of reproduction in plants?
- What modern breeding methods are being researched in developed animals?
______ is one of the asexual method of reproduction.
______ is the breaking of an individual into parts followed by regeneration.
Spores are the structures naturally grown as part of an organism’s life cycle.
Reproduction by budding takes place in
Which of the following pairs is not correctly matched?
Mode of reproduction. Example
Gemmule formation in sponges is useful in ______