If p=0.8 calculate q

(1) 0.8

(2) 0.2

(3) 6.4

(4) 0.4

Subtopic:  Hardy Weinberg Law: 1 | Hardy Weinberg Law: 2 | Hardy Weinberg Law |
 90%
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If a population has dominant phenotype in 1600 individuals out of 2000 then calculate the frequency of heterozygote.

(1) 494

(2) 256

(3) 128

(4) 356

Subtopic:  Hardy Weinberg Law: 1 | Hardy Weinberg Law: 2 | Hardy Weinberg Law |
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If in a given population number of individuals with dominant phenotype are 60%  what will be the number of heterozygote in that population?

(1) Around 23%

(2) Around 46%

(3) 26%

(4) 25%

Subtopic:  Hardy Weinberg Law: 1 | Hardy Weinberg Law: 2 | Hardy Weinberg Law |
 73%
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If more individuals acquire peripheral character value at both the ends of the distribution curve; in such case natural selection has resulted in

(1) Stabilization

(2) Directional

(3) Disruption

(4) May be B or C depending upon population parameters

Subtopic:  Natural Selection |
 84%
From NCERT
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The mechanism of non cellular aggregates of giant macromolecules to cell with membranous envelop is

(1) Natural selection

(2) Not known

(3) Mutation

(4) Recombination

Subtopic:  Origin of Life: Chemical Evolution: 2 | Origin of Life |
 60%
From NCERT
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Which of the following could evolve by the time of 500 mya?

(1) Jawless fishes

(2) Invertebrates

(3) Sea weeds

(4) Lobefins

Subtopic:  Palentological Evidences of Evolution |
 75%
From NCERT
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Bryophytes evolved from

(1) Psilophyton

(2) Rhynia type plants

(3) Tracheophyte ancestors

(4) Chlorophyte ancestors

 59%
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Zosterophyllum evolved from

(1) Psilophyton

(2) Rhynia type plants

(3) Tracheophyte ancestors

(4) Chlorophyte ancestors

 65%
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Which of the following is not on the same lineage?

(1) Herbaceous lycopods

(2) Arborescent lycopods

(3) Zosterophyllum

(4) Sphenopsids

 69%
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Which of the following did not evolve from Psilophyton?

(1) Ferns

(2) Ginkgos

(3) Conifers

(4) Bryophytes

 81%
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