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प्रश्न
In human beings, after fertilisation, the structure which gets embedded in the wall of uterus is
विकल्प
ovum
embryo
foetus
zygote
उत्तर
embryo
Explanation -
After fertilisation, the zygote divides repeatedly to form a ball of hundreds of cells called an embryo. The embryo moves down from oviduct into the uterus, where it gets embedded. This is called implantation.
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संबंधित प्रश्न
Suppose a normal woman has never borne a child; How many mature eggs would she have produced in her lifetime? Your calculation should be based on two clues-
(a) Eggs are produced at the rate of 1 egg every 28 days (one menstrual cycle)
(b) A woman’s total reproductive period is 13 – 45 years.
Name two essential structures which take part in fertilization.
Give Reasons
The oviduct funnel is lined with cilia.
Complete the following sentences with appropriate word:
The process of releasing an egg from the ovary is called _________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The process of fusion of the sperm nucleus and the egg nucleus is termed implantation.
Multiple choice question.
In human female, the fertilized egg gets implanted in uterus _______.
Give scientific reason.
The new individual produced by sexual reproduction always has the recombined genes of both the parents.
What is fertilization?
The eggs of frogs do not have shells for protection, yet they are safe in water, how?
Choose the odd one out from the group of terms given below and write the category for the remaining terms:
