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Q10 of 805 Page 1

What is the pathogenic property of baculovirus, used as a biological agents ? Name the genus of these organisms.

The baculoviruses are organisms which attacks insects and arthropods and they are used as biocontrol agents. The genus of these organisms isNucleopolyhedrovirus.


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6

Plants like potato, sugarcane do not require seeds for producing new plants. How do they produce new plants ? Give two other examples where new plants are produced in the same way.

9

What happens when chromatids fail to segregate during cell division cycle ? Explain your answer with an example.

OR


ABO blood groups is a good example of co-dominance. Justify.


11

(a) What is an “allergic reaction” ?

(b) Name any two drugs used to quickly reduce the symptoms of allergy.


(c) Why do more and more children in metro cities of India suffer from allergies and asthma ?


13

List any two types of IUDs that are available for human females and state their mode of action.

Questions · 805
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