Biology Questions

Q:

Why do the desert plants take up the carbon dioxide for photosynthesis at night?

A) To prevent water loss B) To enhance carbon absorption
C) To release excess oxygen D) No option is correct
 
Answer & Explanation Answer: A) To prevent water loss

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Q:

Sexual reproduction in Algae that takes place through fusion of two dissimilar size gametes is called?

A) Zoospores B) Anisogamous
C) Isogamous D) Oogamous
 
Answer & Explanation Answer: B) Anisogamous

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Q:

In humans, the sound is produced by the ________.

A) oesophagus B) larynx
C) medulla D) epiglottis
 
Answer & Explanation Answer: B) larynx

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Q:

Which drug is used as an Anti-Anxiety drug?

A) Warfarin B) Diazepam
C) Latanoprost D) Hydralazine
 
Answer & Explanation Answer: B) Diazepam

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Q:

Among plants, three different genera Solanum, Petunia and Datura are placed in which family?

A) Cancidae B) Solanaceae
C) Felis D) Felidae
 
Answer & Explanation Answer: B) Solanaceae

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Q:

Name the source from which Aspirin is produced?

A) Willow bark B) Oak Tree
C) Acacia D) Eucalyptus
 
Answer & Explanation Answer: A) Willow bark

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Q:

Which among the following is not a characteristic of transition metals?

A) Tendency to gain electrons B) Low electronegativity
C) Low ionization energy D) Malleability
 
Answer & Explanation Answer: A) Tendency to gain electrons

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Q:

X leaves his house facing west, drives 100 km, then turns right and drives 100 km. He then turns left and drives 50 km. In which direction is X facing in relation to his starting point?

A) North east B) South west
C) South east D) North west
 
Answer & Explanation Answer: D) North west

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