Which of the following would lead to deviation from Hardy-Weinberg equilibrium?

1. Random mating

2. Lack of mutations

3. No gene flow or gene migration

4. Natural selection

Subtopic:  Hardy Weinberg Law: 1 | Hardy Weinberg Law |
 60%
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The now extinct reptile group that evolved into mammals was:

1. Therapsids

2. Dinosaurs

3. Thecodants

4. Sauropsids

Subtopic:  Palentological Evidences of Evolution |
 52%
From NCERT
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Identify the correct statement:

1. Dryopithecus was more man like than Ramapithecus

2. Homo Habilis probably did not eat meat

3. Homo Erectus had a cranial capacity of around 800 cc

4. Agriculture came around 18000 years ago

Subtopic:  Evolution Prior to Ape Man: 1 | Evolution Prior to Ape Man |
 71%
From NCERT
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Most fossils are found in:

1. Granite

2. Sedimentary rocks

3. Lava flows

4. Black soil

Subtopic:  Palentological Evidences of Evolution |
 96%
From NCERT
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Darwin believed that certain parts of the body get larger and more complex through the generations because they :

1. are used more extensively than other parts 

2. contribute to greater reproductive success

3. are pre-determined to do so 

4. are most similar to God's perfection 

Subtopic:  Darwin's Theory |
 62%
From NCERT
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The wings of a bird and that of an insect are:

1. Analogous structures

2. Homologous structure

3. Vestigial structures

4. Useless structures

Subtopic:  Concept of Organic Evolution: Evidence: 2 | Concept of Organic Evolution: Evidence |
 89%
From NCERT
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Directional selection favours:

(1) Both extremes of a trait

(2) Intermediate form of a trait

(3) Environmental differences

(4) One extreme form over the other extreme form and over intermediate forms of the trait

Subtopic:  Natural Selection |
 74%
From NCERT
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Most often the factor that initiates the speciation of two populations is:

(1) Geographic isolation

(2) Inability of the gametes to fuse

(3) Different courtship behaviours

(4) Different copulatory organs

Subtopic:  Concept of Speciation |
 82%
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The oldest fossils resemble:

1. Amoeba

2. Red algae

3. Heterotrophic bacteria

4. Autotrophic bacteria

Subtopic:  Palentological Evidences of Evolution |
 81%
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Reptilian ancestors of the mammals were the :-
1. Therapsids
2. Thecodonts
3. Pterosaurs
4. Plesiosaurs
 

Subtopic:   A BRIEF ACCOUNT OF EVOLUTION |
 76%
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