Biology MCQs

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An antigen is any substance that causes your immune system to produce antibodies against it. An antigen may be a substance from the environment, such as chemicals, bacteria, viruses, or pollen. An antigen may also form inside the body.

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Gluteus maximus is the largest muscle in the human body located at the lower back, it is also called as the buttocks.

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Vermicomposting is the compost prepared using the earthworms . It is an appropriate technique for efficient recycling of animal wastes, crop residues, and agro-industrial wastes.

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Albert Szent-György is the scientist who discovered Vitamin C. Vitamin C is a water-soluble vitamin. The chemical name is Ascorbic acid.

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Scientists estimate that the human body contains around 37 trillion cells and 200 different cell types. This includes 50 billion fat cells and 2 billion heart muscle cells. The number of bacterial cells inside a human body is around 38 trillion. This is much closer to the estimated 30 trillion human cells in the body.
Scientists used data reported by others about individual organs and some mathematical modeling to obtain their results.

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Plague is a disease that affects humans and other mammals and is caused by the bacterium Yersinia pestis.

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Pertussis is a respiratory disease commonly known as whooping cough. It is a very contagious disease caused by a type of bacteria called Bordetella pertussis.

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Coenogametes are gametes with multiple nuclei. Mitogametes are gametes produced by mitosis. The gametes produced by meiosis are called meiosis.

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The pattern of arrangement of leaves on the stem is called phyllotaxy.

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Plants absorb nutrients through their roots. They transport their nutrients and water through the stem to the parts that are above ground level.