Biology MCQs

1. Enterobius vermicularis which affect the caecum and vermiform appendix is commonly called as ?
[A] Tapeworm
[B] Pinworm
[C] Threadworm
[D] Ringworm

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2. Which among the following is not correctly matched?
[A] Penicillin – Alexander Flemming
[B] Barometer – Torricelli
[C] X- Ray – W. Roentgen
[D] Parachute – W H carothers

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3. The colonization of an area that has not been previously occupied by an ecological community is called:
[A] primary succession
[B] secondary succession
[C] tertiary succession
[D] cyclic succession

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4. The relationship between algae and fungi is an example of _?
[A] Symbiotic
[B] Parasitism
[C] Mutualism
[D] Commensalism

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5. Which plant’s roots yield valuable medicinal alkaloids?
[A] Emblica officinalis
[B] Asparagus officinalis
[C] Helianthus annuus
[D] Rauwolfia serpentina

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6. Chickpeas when soaked in water can swell up to three times their volume. The phenomenon involved in this is called _?
[A] Imbibition
[B] Osmosis
[C] Reverse Osmosis
[D] Diffusion

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7. Nereis, Pheretima (Earthworm) and Hirudinaria (blood sucking leech) are examples of which Phylum?
[A] Aschelminthes
[B] Coelenterata
[C] Arthropoda
[D] Annelida

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8. Which of the following are chlorophyll-bearing, simple, thalloid, autotrophic and largely acquatic(both fresh water and marine) organisms?
[A] Gymnosperms
[B] Bryophytes
[C] Pteridophytes
[D] Algae

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9. Which of the following is the most common use of the reserprine derived from the plant ‘Serpentina’?
[A] Alleviate pain
[B] Alleviate high blood pressure
[C] Alleviate low blood pressure
[D] Cure rickets

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10. At what age Wisdom teeth normally grow?
[A] 34—40 years
[B] 12—15 years
[C] 17—30 years
[D] 40—45 years

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