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प्रश्न
Which of the following statements about reproduction in humans is correct?
विकल्प
Fertilisation takes place externally
Fertilisation takes place in the testes
During fertilisation, egg moves towards the sperm
Fertilisation takes place in the human female
उत्तर
Fertilisation takes place in the human female
Explanation -
Fertilisation in humans takes place in the female body. The sperms of man are introduced by penis into female’s body through vagina.
The sperms then pass through the uterus and reach to oviducts. It is here, that sperm combines with egg to form zygote (i.e fertilisation occurs).
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संबंधित प्रश्न
Define reproduction.
Where is DNA found in a cell ?
What is DNA copying?
Why is DNA copying an essential part of the process of reproduction?
Egg laid after fertilisation is made up of a single cell.
Which type of reproduction :
involves gametes?
What is meant by reproduction?
In the list of organisms given below, those which reproduce by the asexual method are :
(i) banana
(ii) yak
(iii) yeast
(iv) Amoeba
(a) (ii) and (iv)
(b) (i), (iii) and (iv)
(c) (i) and (iv)
(d) (ii), (iii) and (iv)
Reproduction is essential for living organisms in order to ______
Why is reproduction necessary for living organisms?
Multiple choice question.
The ploidy level is not the same in ______.
Multiple choice question.
Presence of beard in boys is a _______.
Identify the odd one with respect to pollinating agent.
Explain heterostyly and herkogamy with suitable example.
The average period of pregnancy in human lasts for ______ days of pregnancy.
Explain the term reproduction.
Assertion and Reason types of Question.
Assertion: In Banyan prop roots grow horizontally from the tree.
Reason: They give additional support to the tree.
Assertion and Reason types of Question.
Assertion: Corm is a condensed form of Bulb.
Reason: It has dry and fleshy scale leaves.
How is reproduction in Hydra different from that in Amoeba?
Choose the correct meaning of reproduction.
