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 Biology Questions

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Q:

How many bones does a human baby have?

A) 206 B) 234
C) 270 D) 354
 
Answer & Explanation Answer: C) 270

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Q:

Which of the following represents the CORRECT scheme of sub-groups at various levels in classification?

A) Kingdom → Phylum → Class → order → Family → Genus → Species B) Kingdom → Order → Class → Family → Genus → Species → Phylum
C) Kingdom → Phylum → Order → Genus → Species → Class → Family D) Phylum → Kingdom → Class → Order → Genus → Family → Species
 
Answer & Explanation Answer: A) Kingdom → Phylum → Class → order → Family → Genus → Species

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Q:

Which of the following branch of medical science deals with the study and treatment of the liver?

A) Helcology B) Hepatology
C) Heterology D) Geriatrics
 
Answer & Explanation Answer: B) Hepatology

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Q:

Narcolepsy is a disorder in which a person

A) has excessive daytime sleepiness B) has excess heart rate
C) has excess body pains D) All the above
 
Answer & Explanation Answer: A) has excessive daytime sleepiness

Explanation:

 

Narcolepsy is a disorder in which a person has excessive daytime sleepiness, sleep/wake disorder.

 

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Q:

___, present in the centre of a flower, forms the female reproductive part.

A) Sepals B) Petals
C) Carpels D) Stamens
 
Answer & Explanation Answer: C) Carpels

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Q:

Because of base pairing in DNA, the percentage of

A) thymine molecules in DNA is about equal to the percentage of adenine molecules B) cytosine molecules in DNA is much greater than the percentage of guanine molecules
C) adenine molecules in DNA is about equal to the percentage of guanine molecules D) adenine molecules in DNA is much greater than the percentage of thymine molecules
 
Answer & Explanation Answer: A) thymine molecules in DNA is about equal to the percentage of adenine molecules

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Q:

Which of the following is NOT a characteristic of dicotyledons plants?

A) These plants have a tap root B) These plants have reticulate venation
C) These plants have fibrous roots D) These plants have 2 cotyledons
 
Answer & Explanation Answer: C) These plants have fibrous roots

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Q:

What temperature does bacteria grow quickest at

A) 40°F and 140°F B) 14°C and 90°C
C) 80°F and 140°F D) None
 
Answer & Explanation Answer: A) 40°F and 140°F

Explanation:

Most bacteria will grow rapidly between 4°C and 60°C (40°F and 140°F).

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