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Q. No.Big-Bang theory attempts to explain the
1. Origin of life
2. Origin of species
3. Origin of Earth
4. Origin of Universe
Subtopic: Origin of Life |
81%
From NCERT
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Which of the following is not correctly matched?
| 1. | Charles Darwin | - | H.M. S Beagle |
| 2. | Alfred Wallace | - | Malay Archipelago |
| 3. | Thomas Malthus | - | An essay on principles of population |
| 4. | Equus | - | First one toed horse |
Subtopic: Concept of Organic Evolution: Evidence |
62%
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Key concepts on which Darwinian theory of evolution is based are
1. Branching descent and natural selection
2. Sanitation and mutation
3. Genetic drift and variations
4. Population statistics and physical fitness of organism
1. Branching descent and natural selection
2. Sanitation and mutation
3. Genetic drift and variations
4. Population statistics and physical fitness of organism
Subtopic: Definition & Types of Evolution | Additional Theories of Darwin | Concept of Organic Evolution: Evidence |
81%
From NCERT
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Read the following statements carefully
A. Studies suggest that first organisms that invaded land were plants
B. Saltations and large mutations and directionless while Darwinian variations are small and directional
C. Sauropsids were common ancestors of therapsides and thecodonts
D. Homo habilis were the first hominid with brain capacity ranging between 650-800 cc
Choose the correct option w.r.t. True (T) and False (F) statements
A. Studies suggest that first organisms that invaded land were plants
B. Saltations and large mutations and directionless while Darwinian variations are small and directional
C. Sauropsids were common ancestors of therapsides and thecodonts
D. Homo habilis were the first hominid with brain capacity ranging between 650-800 cc
Choose the correct option w.r.t. True (T) and False (F) statements
| A | B | C | D | |
| 1. | T | F | T | F |
| 2. | F | T | F | T |
| 3. | T | T | F | T |
| 4. | T | T | F | F |
Subtopic: Evolution of Homo Sapiens | Concept of Organic Evolution: Evidence | Sources of Variation | A BRIEF ACCOUNT OF EVOLUTION |
78%
From NCERT
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Given below are four statements (A-D) each with one or more blanks
Statement
(A) Eyes of ___(i)___ and mammals look alike and are results of ___(ii)___ evolution
(B) Nictating membrane is a ___(i)____ organ and an ____(ii)____ evidence of evolution
(C) Miller provided an experimental evidence of ____(i)___ evolution in a sealed chamber containing \(CH_4,NH_3, H_2\) and ____(ii)____
(D) Industrial melanism is an example of _____(i)_______
Select the option which correctly fills up the blanks in two statements
1. (B)(i) Rudimentary (ii) Morphological , (D) (i) Neo-Darwinism
2. (A)(i) Octopus (ii) Divergent (D) Neo Lamarckism
3.(A) (i) Octopus (ii) Convergent
(C) (i) Chemical (ii) Oxygen
4. (C) (i) Chemical (ii) Oxygen
(B) (i) Vestigial (ii) Anatomical
Statement
(A) Eyes of ___(i)___ and mammals look alike and are results of ___(ii)___ evolution
(B) Nictating membrane is a ___(i)____ organ and an ____(ii)____ evidence of evolution
(C) Miller provided an experimental evidence of ____(i)___ evolution in a sealed chamber containing \(CH_4,NH_3, H_2\) and ____(ii)____
(D) Industrial melanism is an example of _____(i)_______
Select the option which correctly fills up the blanks in two statements
1. (B)(i) Rudimentary (ii) Morphological , (D) (i) Neo-Darwinism
2. (A)(i) Octopus (ii) Divergent (D) Neo Lamarckism
3.(A) (i) Octopus (ii) Convergent
(C) (i) Chemical (ii) Oxygen
4. (C) (i) Chemical (ii) Oxygen
(B) (i) Vestigial (ii) Anatomical
Subtopic: Concept of Organic Evolution: Evidence |
54%
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Select the odd one w.r.t. Australian marsupials
1. Bobcat
2. Wombat
3. Bandicoot
4. Spotted cuscus
1. Bobcat
2. Wombat
3. Bandicoot
4. Spotted cuscus
Subtopic: Concept of Organic Evolution: Evidence |
56%
From NCERT
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Present day finches on Galapagos islands share common ancestry with
1. Seed eating finch
2. Fruit eating finch
3. Cactus eating finch
4. Insect eating finch
1. Seed eating finch
2. Fruit eating finch
3. Cactus eating finch
4. Insect eating finch
Subtopic: Concept of Organic Evolution: Evidence |
68%
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Theory of Panspermia was proposed to explain the
1. Origin of Universe
2. Origin of life
3. Origin of Earth
4. Evolution of life
1. Origin of Universe
2. Origin of life
3. Origin of Earth
4. Evolution of life
Subtopic: Origin of Life |
76%
From NCERT
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The first organisms that appeared on Earth were probably
1. Chemoheterotrophs
2. Chemoautotrophs
3. Photoautotrophs
4. Decomposers
1. Chemoheterotrophs
2. Chemoautotrophs
3. Photoautotrophs
4. Decomposers
Subtopic: Other Theories of Origin of Life |
74%
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Most important condition for origin of life is the presence of
1. Water
2. Oxygen
3. Nitrogen
4. Carbon
1. Water
2. Oxygen
3. Nitrogen
4. Carbon
Subtopic: Urey & Miller Experiment |
61%
From NCERT
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