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 Biology Questions

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Q:

Which of the following is a risk factor for osteoporosis?

A) Smoking cigarettes B) Drinking alcohol
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

Osteoporosis makes you more likely to loss bone mass and density resulting in fractures. Smoking cigarettes and drinking alcohol can lead to loss bone mass and density. Oseoporosis is more common in women than men.

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Q:

The human faeces is yellow in colour due to the presence of a pigment called

A) Pepsin B) Renin
C) Amylase D) Urobilin
 
Answer & Explanation Answer: D) Urobilin

Explanation:
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Q:

Asterias (Star fish), Echinus (Sea urchin), Antedon (Sea Lily) are all examples of which Phylum?

A) Echinodermata B) Annelida
C) Platyhelminthes D) Arthropoda
 
Answer & Explanation Answer: A) Echinodermata

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Q:

Which enzyme is present in all members of the animal kingdom except Protozoa?

A) Insulin B) Pepsin
C) Renin D) Amylase
 
Answer & Explanation Answer: D) Amylase

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Q:

Anaemia is caused because of deficiency of which of the following?

A) Cobalt B) Iron
C) Sodium D) Calcium
 
Answer & Explanation Answer: B) Iron

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Q:

How does a Unicellular Organism reproduce?

A) Cell division B) Cell reproduction
C) Cell synthesis D) Fragmentation
 
Answer & Explanation Answer: A) Cell division

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Q:

Honey that has high concentration of sugar does not decay because

A) Bacteria cannot survive in an active state as it is totally deprived of oxygen B) It contains natural antioxidant that prevents bacterial attack
C) Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out D) None of these
 
Answer & Explanation Answer: C) Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out

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Q:

Arboreal Ateles is the scientific name of _____ .

A) Squirrel B) Sparrow
C) Lizard D) Spider monkey
 
Answer & Explanation Answer: D) Spider monkey

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