Question Text
Question 2 :
Which of the following patterns of reproduction involves the exchange of genetic material?
Question 3 :
Which one of the following generates new genetic combinations leading to mutations<br>
Question 4 :
Double fertilisation is characteristics of which of the following plant category?
Question 6 :
A gradual decrease in the size of the tail during metamorphosis in the life cycle of frog is a good example for
Question 9 :
Which of the following statements is not correct regarding oviparous animals?
Question 10 :
Which of the following patterns of reproduction involves both the parents?
Question 14 :
Sexual reproduction involves formation of the male and female gametes by?
Question 15 :
Which of these organisms reproduce in the same way as yeast?
Question 16 :
In which stage of complete metamorphosis does a creature develops cocoon around it?
Question 20 :
On the basis of reproduction, animals are classified into .......... type.
Question 31 :
Assertion: Self-pollination helps in purity of races, wastage of pollen is avoided and pollination is sure.
Reason: Cleistogamy favours self-pollination.
Question 32 :
Assertion: The honey bee queen copulates only once in her life time.
Reason: The honey bee queen lays fertilized as well as unfertilized eggs.
Question 35 :
In an experiment, sperms removed from epididymis of a man were added in a dish containing appropriate media and oocyte. No fertilisation was seen. However, when sperms from epididymis were directly placed in uterus of an ovulated woman, she became pregnant. These observations suggest that
