Biology MCQs

1. Which among the following is not present in pure sugar ?
[A] Carbon
[B] Hydrogen
[C] Nitrogen
[D] Oxygen

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2. Which among the following is not a function of Sympathetic nerves in Autonomic nervous system?
[A] Enhancing the heart beats
[B] constricting the blood vessels
[C] dilate pupils
[D] contract urinary bladder

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3. Which among the following is a correct definition of Saprophytes?
[A] A parasitic plant that can complete its life cycle independent of a host
[B] A heterotrophic plant that feeds upon other living plants
[C] A heterotrophic plant that feeds upon dead organic matter
[D] A plant that is unable to synthesize a particular organic compound

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4. World’s first cloned Buffalo was born in which country?
[A] India
[B] China
[C] USA
[D] Russia

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5. The insect “Apis mellifera” is commonly known as which among the following?
[A] Sand Fly
[B] Domestic Fly
[C] Honey Bee
[D] Spider

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6. Strontium-90, as a source of health issues after a nuclear disaster is most dangerous for which among the following organs of Human Body?
[A] Liver
[B] Blood
[C] Skin
[D] Bones

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7. Which of the following is the characteristic of water present in coconut?
[A] liquid endocarp
[B] liquid nucellus
[C] liquid mesocarp
[D] degenerated liquid endosperm

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8. Which organ of the body produces the fluid known as bile?
[A] Liver
[B] Pancreas
[C] Gall bladder
[D] Kidney

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9. In the context of the organic evolution, the loss of limbs of snakes is explained by which of the following phenomenon? (UPSC Prelims 2002)
[A] Use and disuse of organs
[B] adaptation to living in burrows
[C] natural selection
[D] inheritance of acquired characters

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10. Which among the following branches of science deals with the scientific study of interaction of soils with vegetative matter?
[A] Pedology
[B] Petrology
[C] Hydrology
[D] Edaphology

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