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Test: Biological Terms - UPSC MCQ


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10 Questions MCQ Test - Test: Biological Terms

Test: Biological Terms for UPSC 2024 is part of UPSC preparation. The Test: Biological Terms questions and answers have been prepared according to the UPSC exam syllabus.The Test: Biological Terms MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Biological Terms below.
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Test: Biological Terms - Question 1
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Which polysaccharide is obtained from the cell walls of red algae and remains semisolid at room temperature?

Detailed Solution for Test: Biological Terms - Question 1
Agar-agar is a polysaccharide obtained from the cell walls of red algae and remains semisolid at room temperature. It is commonly used as an emulsifying agent in pharmaceuticals and for solidifying synthetic media in artificial cultural work.
Test: Biological Terms - Question 2
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What term refers to an organism containing more than two genomes derived from two or more different species?

Detailed Solution for Test: Biological Terms - Question 2
An allopolyploid is an organism that contains more than two genomes derived from two or more different species. This can result from hybridization between different species.
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Test: Biological Terms - Question 3
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What do you call the liquid state of food after digestion of solid matter?

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Chyme is the term used to describe the liquid state of food after the digestion of solid matter in the stomach and small intestine.
Test: Biological Terms - Question 4
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Which specialized organ is used by parasites to derive nutrition from host plants?
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A haustorium is a specialized organ used by parasites to extract nutrients from host plants. It enables the parasite to obtain sustenance from the host.
Test: Biological Terms - Question 5
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What is the function of the cerebellum in vertebrates?
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The cerebellum is the fourth part of the brain in vertebrates, and its primary function is to govern muscular coordination, balance, and posture.
Test: Biological Terms - Question 6
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What is the process in which two different thalli or plants of the same species are required for sexual reproduction called?
Detailed Solution for Test: Biological Terms - Question 6
Heterothallism is the process in which two different thalli or plants of the same species are required for sexual reproduction. This involves the fusion of gametes from two separate individuals.
Test: Biological Terms - Question 7
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What is the term for a leucocyte that moves about in the tissue of the body?
Detailed Solution for Test: Biological Terms - Question 7
A wandering cell is a type of leucocyte (white blood cell) that moves about in the tissues of the body, playing a role in the immune response.
Test: Biological Terms - Question 8
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Which protein forms the chemical basis of horn, hair, nails, feathers, and epidermal scales?
Detailed Solution for Test: Biological Terms - Question 8
Keratin is the protein that forms the chemical basis of horn, hair, nails, feathers, and epidermal scales in various animals.
Test: Biological Terms - Question 9
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What do you call the region within the ovary where one or more ovules are attached?
Detailed Solution for Test: Biological Terms - Question 9
The placenta is the region within the ovary where one or more ovules are attached. It plays a crucial role in the development of seeds.
Test: Biological Terms - Question 10
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Which term refers to flowers that can be divided into two equal halves only in one plane?
Detailed Solution for Test: Biological Terms - Question 10
Zygomorphic flowers are those that can be divided into two equal halves only in one plane, usually as a result of bilateral symmetry. This is a common floral characteristic in many plant species.
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