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%
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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 |
 72%
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A population of an animal is hunted down to only 20 organisms. Later the number is restored to 10,000 organisms, but the variations in this population are highly reduced. This is called:

1. Founder Effect

2. Bottleneck effect

3. Edge effect

4. Heterosis

Subtopic:  Sources of Variation: 2 | Sources of Variation |
 62%
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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%
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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%
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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%
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Genetic drift occurs when a few individuals of a species colonize an island. The particular phenomenon is known as:

(1) The bottleneck effect

(2) The founder effect

(3) Assortative mating

(4) Random mating 

Subtopic:  Sources of Variation: 2 | Sources of Variation |
 83%
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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%
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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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