Biology Questions

Q:

Which of the following is not true about Angiosperms?

A) Dominant phase is gametophytes B) Vascular bundles are present
C) Spores are heterospores D) Seeds are covered
 
Answer & Explanation Answer: A) Dominant phase is gametophytes

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Q:

The saliva in human beings contains which enzyme?

A) Pepsin B) Salivary Amylase  
C) Rennin D) Trypsin
 
Answer & Explanation Answer: B) Salivary Amylase  

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Q:

What distinguishes Atherosclerosis from Arteriosclerosis?

Answer

The condition of blockage of the artery due to plaque deposition in the walls which can lead to stroke or heart attack is called Atherosclerosis.


Whereas,


The condition in which the stiffening or hardening of the arteries is called as Arteriosclerosis.

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Q:

All of the following are true about color blindness except

A) it seems to be more common in women than men. B) people are either unable to distinguish two or more hues from each other or unable to see hue at all.
C) color blindness has no easy method of detection. D) it involves missing or damaged cones.
 
Answer & Explanation Answer: A) it seems to be more common in women than men.

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Q:

Through photosynthesis at least a half of the total carbon dioxide fixation on earth is carried out by?

A) Pteridophytes B) Bryophytes
C) Algae D) Gymnosperms
 
Answer & Explanation Answer: C) Algae

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Q:

Which lobe of human brain is associated with hearing?

A) Frontal lobe B) Parietal lobe
C) Temporal lobe D) Occipital lobe
 
Answer & Explanation Answer: C) Temporal lobe

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Q:

Which of the following bacteria is responsible for the formation of curd?

A) Lycopodium B) Yeast
C) Lacto-bacillus D) Fungus
 
Answer & Explanation Answer: C) Lacto-bacillus

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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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