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Mayank1444
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Joined: Oct 11, 2021
Last seen: Nov 14, 2021
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Answer to: Sarcoma is cancer of (1) blood (2) epithelial tissue (3) endodermal tissues (4) mesodermal tissue

Correct answer: (4) mesodermal tissue

4 years ago
Forum
Biology
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Answer to: Which of the following pair is not correctly matched? (1) Syphilis - Trichuris trichiura (2) Dengue fever -arbovirus

Correct answer: (1) Syphilis - Trichuris trichiura

4 years ago
Forum
Biology
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Answer to: Dinosaurs dominated the world in which of the following geological era?

Correct answer: (3) Mesozoic

4 years ago
Forum
Biology
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Answer to: Analgesic drugs (1) relieve fatigue (2) form tissues (3) cause pain (4) relieve pain

Correct answer: (4) relieve pain

4 years ago
Forum
Biology
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Answer to: Cells involved in immune mechanism are

Correct answer: (4) Lymphocytes

4 years ago
Forum
Biology
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Answer to: Opiate narcotic is (1) Heroin (2) Bhang (3) Nicotine (4) Charas

Correct answer: (1) Heroin

4 years ago
Forum
Biology
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Answer to: A cell coded protein formed in response to infection with most animal viruses is

Correct answer: (1) Interferon

4 years ago
Forum
Biology
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Answer to: The process by which organisms with different evolutionary history evolve similar phenotypic adaptation in response to a common environmental challenge, is called

Correct answer: (2) Convergent evolution

4 years ago
Forum
Biology
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Answer to: Variation in gene frequencies within populations can occur by chance rather than by natural section. The is referred to as

Correct answer: (2) Genetic drift

4 years ago
Forum
Biology
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Answer to: According to Darwin, organic evolution is due to

Correct answer: (3) Intraspecific competition

4 years ago
Forum
Biology
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Answer to: Random unidirectional change in allele frequencies that occurs by chance in all populations and especially in small populations is known as

Correct answer: (3) Genetic drift

4 years ago
Forum
Biology
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Answer to: The finch species of Galapagos Islands are grouped according to their food sources. Which of the following is not a finch food?

Correct answer: (4) Carrion

4 years ago
Forum
Biology
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Answer to: Which one of the following options gives one correct example each of convergent evolution and divergent evolution? Convergent evolution - Divergent evolution (1) Bones of forelimbs of vertebrates - Wings of butterfly and birds

Correct answer: (2) Eyes of octopus and mammals - Bones of forelimbs of vertebrates

4 years ago
Forum
Biology
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Answer to: What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?

Correct answer: (3) Upright posture

4 years ago
Forum
Biology
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Answer to: The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, With short stature, heavy eyebrows, retreating

Correct answer: (4) Neanderthal human

4 years ago
Forum
Biology
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Answer to: The idea of mutations was brought forth by (1) Hardy Weinberg, who worked on allele frequencies in a population.

Correct answer: (4) Hugo de Vries, who worked on evening primrose.

4 years ago
Forum
Biology
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Answer to: The eye of octopus and eye of cat show different patterns of structure, yet they perform similar functions. This is an example of:

Correct answer: (4) Analogous organs that have evolved due to convergent evolution.

4 years ago
Forum
Biology
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Answer to: Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the biogenic origin of life?

Correct answer: (4) They could separate combinations of molecules from the surroundings

4 years ago
Forum
Biology
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Answer to: Peripatus is a connecting link between (1) Coelenterata and Porifera (2) Mollusca and Echinodermata

Correct answer: (4) Annelida and Arthropoda

4 years ago
Forum
Biology
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Answer to: Darwin’s finches are a good example of (1) Adaptive radiation (2) Industrial melanism (3) Convergent evolution (4) Connecting link

Correct answer: (1) Adaptive radiation

4 years ago
Forum
Biology
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