Q2 of 30 Page 1

Why sharing of injection needles between two individuals is not recommended?

The sharing of injection needle between two individuals could lead to the transfer of blood-borne diseases. For example, HIV from an infected person to a healthy person.


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1

An anther with malfunctioning tapetum often fails to produce viable make gametophytes. Give any one reason.

 3

Name the enzyme and state its property that is responsible for continuous and discontinuous replication of the two strands of a DNA molecule.

 4

Identify the examples of convergent evolution from the following:

(i) Flippers of penguins and dolphins


(ii) Eyes of octopus and mammals


(iii) Vertebrate brains


 5

Write the importance of MOET.