Navodaya Vidyalaya Question Papers

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The Navodaya Vidyalaya Questions are follows:

Which of the following are analogous organs?
(a) Fore limb of birds and fore limb of bat.
(b) Wing of bird and wing of bat.
(c) Wing of bat and the flipper of a whale.
(d) Pectoral fin of a fish and the forelimb of a frog.

Which enzyme is known as ‘Molecular scissor’?

A son has blood group O. What is true of the inheritance of this blood group in his case?
(a) His mother should be with AB blood group.
(b) Both his parents should be heterozygous A group.
(c) His father could be homozygous B group.
(d) His mother could be homozygous A group.


Name the compound used for staining the isolated DNA in the gel.

Write the scientific name of the nematode that attacks the root of tobacco plant.

Name two diseases that can be treated by producing biological compound in transgenic
animals.

Chara is monoecious or dioecious. Name the male and female sex organs.

What is detritus? What is mean by humification?

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Navodaya Vidyalaya Model paper.pdf (61.3 KB, 273 views)