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प्रश्न
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उत्तर
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संबंधित प्रश्न
List two example of each diseases caused due to (i) bacterial infection and (ii) viral infection. Which device or devices may be used to prevent the spread of such diseases.
Mention the total number of chromosomes along with the sex chromosomes that are present in a human female and a human male. Explain how in sexually producing organisms the number of chromosomes in the progeny remains the same as that of the parents.
Which part of the human body produces sperms?
Where in the human body does an ovum get fertilised?
Fertilisation results immediately in the formation of :
(a) a zygote
(b) an embryo
(c) a placenta
(d) a foetus
Describe in brief the role of ureter in human male reproductive system.
Describe in brief the role of prostate gland in human male reproductive system.
Draw a diagram of human female reproductive system and label the part.
(i) That produces eggs.
(ii) Where fusion of egg and sperm take place.
(iii) Where zygote is implanted.
What happens to human egg when it is not fertilized?
Pollen grains are formed by ______ division in locules of anthers.
Name the Following
Days in the human gestation period.
