NCERT Class 10 Chapter 8 Organisms Reproduction CBSE Board Sample Problems Very Short Answer
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Question
Name the artificial propagation method used for the propagation of rose plants.
Solution
Grafting.
Question
Why is reproduction so essential in living organisms?
Solution
It helps to maintain the number of individuals of a species/It helps in the survival of the species and prevents their extinction/It also leads to the evolution of the species in the long run.
Question
Enlist two contraceptive methods.
Solution
Condoms, loop or copper-T, pills, surgical methods (any two)
Question
What is the effect of DNA copying which is not perfectly accurate in the reproductive process?
Solution
The DNA copying which is not perfectly accurate in the reproductive process results in variations in populations for better survival of the species.
Question
Write names of one male and one female sex hormone.
Solution
Male sex hormone is testosterone and female sex hormone ยกs oestrogen.
Question
List two unisexual flowers.
Solution
Watermelon and papaya are unisexual flowers.