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प्रश्न
Give the significance of fertilization.
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उत्तर
Significance of fertilization:
- Fertilization maintains the diploid number of chromosomes in the newly formed zygote.
- It combines characters from two parents bringing about variation in the offspring.
- It determines the sex of the offspring.
- Fertilization introduces centrioles in the cell which are missing in the ovum.
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संबंधित प्रश्न
State whether the following statement is true (T) or false (F):
A fertilised egg becomes a seed.
The figure given alongside represents the female reproductive system of a mammal.
Name the parts labelled A - D
Choose the correct answer:
Virgin birth is called ______________
Write in sequence the regions in which a mature sperm travels from the seminiferous tubules up to the urethral opening?
Name two essential structures which take part in fertilization.
Name the female sex hormones and structures which secrete them.
Explain the term Cowper’s glands.
Name the Following
The basic unit of the testes.
Write the functional activity of the following structure:
Prostate gland
Describe the process of fertilization.
In human beings, after fertilisation, the structure which gets embedded in the wall of uterus is
What are the functions of each hormone in the neurohypophyseal hormone?
Fertilization takes place in ______.
Write the specific location of the following:
Acrosome
What are the potential drawbacks in adoption of the IVF method?
- High fatality risk to mother.
- Expensive instruments and reagents.
- Husband/wife necessary for being donors.
- Less adoption of orphans.
- Not available in India.
- Possibility that the early embryo does not survive.
Choose the correct answer from the options given below:
Which ions enter the sperm during capacitation, causing rapid whiplash movements of the tail?
Which structure sweeps the ovum into the fallopian tube after ovulation?
What structures surround the ovum and aid in its protection and fertilization?
How are ova classified in terms of yolk content?
