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 Biology Questions

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Q:

When a chromosome undergoes a deletion mutation information is

A) Repeated B) Lost
C) Reversed D) Transferred
 
Answer & Explanation Answer: B) Lost

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Q:

Spiders belong to the phylum

A) Mollusca B) Annelida
C) Cnidaria D) Arthropoda
 
Answer & Explanation Answer: D) Arthropoda

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Q:

Which blood group is universal donor?

A) O+ B) O–
C) AB– D) AB+
 
Answer & Explanation Answer: B) O–

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Q:

Which of the following relation is true regarding the amounts of genetic material contributed by the father and mother to the child?

A) Father >> Mother B) Father << Mother
C) Father = Mother D) No relation can be determined
 
Answer & Explanation Answer: C) Father = Mother

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Q:

A section of DNA that provides information for one protein is called the ___.

A) lysosome B) gene
C) chromosome D) nucleus
 
Answer & Explanation Answer: B) gene

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Q:

Kwashiorkor  disease  in  children  is  caused by

A) sufficient carbohydrates but less fats in diet B) sufficient  carbohydrates  and  fats  but deficient proteins in diet
C) sufficient  vitamins  but  deficient  fats  in diet D) sufficient  fats  but  deficient  vitamins  in diet
 
Answer & Explanation Answer: B) sufficient  carbohydrates  and  fats  but deficient proteins in diet

Explanation:

Kwashiorkar is produced by protein deficiency unaccompanied by calorie  deficiency.  It  results  from the  replacement  of  mother’s  milk by a high calorie-low protein diet in a child more than one year in age. Like marasmus, kwashiorkor shows wasting   of   muscles,   thinning   of limbs,  failure  of  growth  and  brain development

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Q:

Psidium guajava is the scientific name of ___________.

A) Guava B) Mango
C) Bamboo D) Jack fruit
 
Answer & Explanation Answer: A) Guava

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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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