Lederberg replica plating experiment explains that mutations are 
1. Fast 
2. Useful 
3. Gradual change 
4. Preadaptive changes

Subtopic:  Concept of Organic Evolution: Evidence |
Please attempt this question first.
Hints

If nature selects mean character value, it is 
1. Stabilising selection 
2. Disruptive selection 
3. Directional selection 
4. Progressive selection 
Subtopic:  Natural Selection |
 78%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

According to Hardy-Weinberg principle, sum total of all the allelic frequencies is 
1. Zero 
2. One 
3. Infinite 
4. Remain changeable 
Subtopic:  Hardy Weinberg Law |
 87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Hardy-Weinberg principle is applicable to 
1. Small population 
2. Isolated population 
3. Large population 
4. All of these
Subtopic:  Hardy Weinberg Law |
Please attempt this question first.
Hints

Which of the following is considered as a pollution indicator? 
1. Frequency of melanic moth 
2. Lichens 
3. Predator 
4. Frequency of light coloured moth
Subtopic:  Concept of Organic Evolution: Evidence |
 89%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Industrial melanism in moths provides example of 
1. Balancing selection 
2. Disruptive selection 
3. Stabilizing selection 
4. Directional selection 
Subtopic:  Concept of Organic Evolution: Evidence |
 70%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Finches on Galapagos islands distinctly represent a case of 
1. Founder's effect 
2. Analogous organs 
3. Bottleneck effect 
4. Convergent evolution 
Subtopic:  Hardy Weinberg Law |
 52%
Please attempt this question first.
Hints

Sexually interbreeding or potentially interbreeding group of individuals which is reproductively isolated from other species is 
1. Biological species 
2. Morphospecies 
3. Evolutionary species 
4. Sibling species 
Subtopic:  Concept of Speciation |
Please attempt this question first.
Hints

Speciation in geographically separated region forms 
1. Sibling species 
2. Allopatric species 
3. Sympatric species 
4. Paraspecies
Subtopic:  Concept of Speciation |
 56%
Please attempt this question first.
Hints

advertisementadvertisement

Sympatric speciation is caused by 
1. Genetic isolation 
2. Interbreeding 
3. Geographical isolation 
4. Reproductive isolation 
Subtopic:  Concept of Speciation |
Please attempt this question first.
Hints