Modern Homo sapiens arose
1. Near east and central Asia between 1,00,000 to 40,000 years back
2. During ice age between 75,000 to 10,000 years ago
3. About 10,000 years back
4. About 18,000 years ago
Subtopic: Â Evolution of Homo Sapiens |
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The most apparent change during the evolutionary history of Homo sapiens is traced in
1. Loss of body hair
2. Walking upright
3. Shortening of the jaws
4. Remarkable increase in the brain size
1. Loss of body hair
2. Walking upright
3. Shortening of the jaws
4. Remarkable increase in the brain size
Subtopic: Â Introduction to Human Evolution |Â Evolution of Homo Sapiens |
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From NCERT
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The first human like being, the hominid, was called
1. Australopithecus
2. Homo erectus
3. Homo habilis
4. Homo sapiens
1. Australopithecus
2. Homo erectus
3. Homo habilis
4. Homo sapiens
Subtopic: Â Introduction to Human Evolution |Â Classification of Primates |
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From NCERT
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What evidence suggests that chimpanzee is more closely related to humans than other hominoid apes?
1. DNA from sex chromosomes only
2. Chromosome morphology only
3. Fossil remains
4. Banding pattern of autosomes
1. DNA from sex chromosomes only
2. Chromosome morphology only
3. Fossil remains
4. Banding pattern of autosomes
Subtopic: Â Evolution Prior to Ape Man |
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A well preserved and most complete homonid fossil named Lucy belongs to the genus
1. Dryopithecus
2. Australopithecus
3. Homo
4. Pithecanthropus
1. Dryopithecus
2. Australopithecus
3. Homo
4. Pithecanthropus
Subtopic: Â Introduction to Human Evolution |Â Classification of Primates |
 54%
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Which of the following is direct ancestor of Homo sapiens?
1. Homo erectus
2. Homo sapiens neanderthalensis
3. Ramapithecus
4. Australopithecus
1. Homo erectus
2. Homo sapiens neanderthalensis
3. Ramapithecus
4. Australopithecus
Subtopic: Â Classification of Primates |Â Evolution Prior to Ape Man |
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The fundamental components of early atmosphere were most likely
1. \(NH_3, CH_4, H_2~ \text {and} ~H_2O\)
2. \(H_2, O_2, CH_4~ \text {and} ~H_2O\)
3. \(CH_4,O_3, N_2~ \text {and} ~H_2O\)
4. \(H_2O, CH_4~ \text {and} ~NH_3 \) only
1. \(NH_3, CH_4, H_2~ \text {and} ~H_2O\)
2. \(H_2, O_2, CH_4~ \text {and} ~H_2O\)
3. \(CH_4,O_3, N_2~ \text {and} ~H_2O\)
4. \(H_2O, CH_4~ \text {and} ~NH_3 \) only
Subtopic: Â Examples of Chemical Evolution |Â Urey & Miller Experiment |
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In Stanley Miller's classic experiment, which of the following was not formed in the initial run?
1. Alanine
2. Glycine
3. Aspartate
4. Glutamine
1. Alanine
2. Glycine
3. Aspartate
4. Glutamine
Subtopic: Â Urey & Miller Experiment |
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Select the option that represents homology
1. Wing of butterfly and wing of bat
2. Sting of scorpion and sting of honey bee
3. Tendrils of Lathyrus and tendril of cucurbits
4. Blood proteins of man and ape
1. Wing of butterfly and wing of bat
2. Sting of scorpion and sting of honey bee
3. Tendrils of Lathyrus and tendril of cucurbits
4. Blood proteins of man and ape
Subtopic: Â Concept of Organic Evolution: Evidence |
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In a population that is in Hardy-Weinberg equilibrium, 49% of the individuals are recessive homozygotes for a certain trait. In a population of 14500, calculate the number of homozygous dominant individuals and heterozygous individuals
Choose the correct option
1. 6090, 7105
2. 1305, 6090
3. 7105, 1305
4. 7395, 6090
Choose the correct option
1. 6090, 7105
2. 1305, 6090
3. 7105, 1305
4. 7395, 6090
Subtopic: Â Hardy Weinberg Law |
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