Biology MCQs

1. Which among the following plants is known as Indian ginseng?
[A] Withania somnifera
[B] Datura ceratocaula
[C] Iberis amara
[D] Capsella bursa pastoris

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2. Apart from the temporal bone, which among the following is considered as strongest bone in human body?
[A] Humerus
[B] Fibula
[C] Femur
[D] Tibia

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3. Which among the following live tissues of the Human Eye does not have blood vessels?
[A] Sclera
[B] Cornea
[C] Choroid
[D] Iris

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4. Which of the following branches of Biology is not associated with snakes ?
[A] Herpetology
[B] Ophiology
[C] Serpentology
[D] Saurology

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5. Which of the following is not a feature of organisms in the class Mammalia ?
[A] milk producing mammary glands
[B] cells with a membrane-bounded nucleus
[C] dorsal hollow nerve chord
[D] chitin in the cell membrane

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6. What is the main product of photosynthesis?
[A] Chlorophyll
[B] Carbon dioxide
[C] Oxygen
[D] Glucose

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7. Snakes, turtle, lizards and crocodiles falls under which category of animals?
[A] Amphibian
[B] Pisces
[C] Reptiles
[D] Aves

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8. Synapse gap is present between which of the following?
[A] Brain and Spinal cord
[B] Two eyes
[C] Two Kidneys
[D] Two neurons

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9. Which of the following plants is biennial? (UPSC Prelims 1989)
[A] Banana
[B] Pineapple
[C] Jack fruit
[D] Carrot

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10. Which one of the following approaches comes under the category of biotechnology? (UPSC Prelims 1993)
[A] Use of living organisms or substances obtained from them in industrial processes
[B] Modernizing the commercial industries to produce products for use in biological research
[C] Use of modern technology to investigate biological disorders
[D] Use of industrial technology to increase the biosphere

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