The control apparatus of the Urey and Miller experiment was devoid of :
1. a provision for evaporation
2. an arrangement for circulation
3. a source of energy
4. an arrangement for condensation

Subtopic:  Urey & Miller Experiment |
From NCERT
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In Darwinian terms “fitness” can best be described as:
1. ability of organism, relative to others in the population, to pass its genes to next generation
2. the number of mates the organism has during its life time
3. its lifespan
4. its physical vigor

Subtopic:  Darwin's Theory |
 75%
From NCERT
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The first human like being, the hominid, was called:
1. Homo habilis
2. Homo erectus
3. Homo ergaster
4. Homo neanderthelensis

Subtopic:  Classification of Primates | Evolution of Homo Sapiens |
 82%
From NCERT
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The fossils of Homo erectus were discovered in _____ and it existed about ____ mya.
1. Tanzania; 2
2. Java; 1.5
3. Ethiopia; 1.5
4. Australia; 2

Subtopic:  Introduction to Human Evolution |
 76%
From NCERT
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Adenine was synthesized by Orgel, using the Miller apparatus, when he used the gas :
1. carbon dioxide
2. hydrogen cyanide
3. hydrogen sulfide
4. nitrogen

Subtopic:  Urey & Miller Experiment |
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The ‘phrase’ that will best describe ‘Natural Selection’ will be:
1. differential success in reproduction
2. differential mortality
3. assortative mating
4. descent with modification

Subtopic:  Darwin's Theory |
 72%
From NCERT
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In organic evolution what is it that actually evolves?

 
1. individual 2. family
3. population 4. species

Subtopic:  Concept of Organic Evolution: Evidence |
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The extinct reptilian lineage that evolved into dinosaurs and later on the birds is:

1.Pelycosaurs2.Synapsids
3.Tuataras4.Thecodonts

Subtopic:   A BRIEF ACCOUNT OF EVOLUTION |
 55%
From NCERT
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Fishes with stout and strong fins that could move on land and go back to water existed about:

1.500 mya2.350 mya
3.320 mya4.300 mya

Subtopic:   A BRIEF ACCOUNT OF EVOLUTION |
 70%
From NCERT
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Identify the incorrectly matched pair:

1. Cretaceous period : dinosaurs became extinct
2. Carboniferous period : origin of reptiles
3. Silurian period : origin of vascular plants
4. Cambrian period : first vertebrates (jawless fishes)
Subtopic:   A BRIEF ACCOUNT OF EVOLUTION |
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