Board exam

GEAC stands for

1. AGenome Engineering Action Committee
2. BGround Environment Action Committee
3. CGenetic and Environment Approval Committee
4. DGenetic Engineering Approval Committee

The process of mineralization by microorganisms help in the release of :

1. Ainorganic nutrients from humus.
2. Bboth organic and inorganic nutrients from detritus.
3. Corganic nutrients from humus.
4. Dinorganic nutrients from detritus and formation of humus.

Transplantation of tissues/organs to some patients often fails due to rejection of such tissues/organs by the body of the patient. Which type of immune response is responsible for such rejections ?

1. AAutoimmune response
2. BHumoral immune response
3. CPhysiological immune response
4. DCell mediated immune response

Amplification of gene of interest by using DNA polymerase may go upto

1. A0.1 million times
2. B1 million times
3. C1 billion times
4. D1 trillion times

The sequence of nitrogenous bases in a segment of a coding strand of DNA is 5′ – AATGCTAGGCAC – 3′. Choose the option that shows the correct sequence of nitrogenous bases in the mRNA transcribed by the DNA.

1. A5′ – UUACGAACCGAG – 3′
2. B5′ – AAUGCUAGGCAC – 3′
3. C5′ – UUACGUACCGUG – 3′
4. D5′ – AACGUAGGCAGC – 3′

How many pollen grains and ovules are likely to be formed in the anther and the ovary of an angiosperm bearing 50 microspore mother cells and 50 megaspore mother cells respectively ?

1. A100, 25
2. B200, 50
3. C50, 50
4. D200, 100

Evolution of modern man involves the following man-like primates. Choose the correct series of human evolution.

1. ADryopithecus → Homo erectus → Australopithecines → Homo sapiens
2. BAustralopithecines → Homo erectus → Neanderthal → Homo sapiens
3. CAustralopithecines → Ramapithecus → Dryopithecus → Homo sapiens
4. DHomo erectus → Australopithecines → Homo sapiens → Neanderthal