Biology Questions

Q:

The command center of fluid intake is located in the

A) Hypothalamus B) Adrenal glands
C) Kidneys D) None of the above
 
Answer & Explanation Answer: A) Hypothalamus

Explanation:

The command center of fluid intake is located in the Hypothalamus.

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Q:

How many Nephrons are in each kidney?

A) 10,000 B) 1,00,000
C) 1,000,000 D) 1000
 
Answer & Explanation Answer: C) 1,000,000

Explanation:

There are about 1,000,000 nephrons in each human kidney.

Nephron, functional unit of the kidney, the structure that actually produces urine in the process of removing waste and excess substances from the blood.

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Q:

Antigens 'A' and 'B' are absent in persons belong to blood group

A) 'O' B) 'A'
C) 'B' D) 'AB'
 
Answer & Explanation Answer: A) 'O'

Explanation:
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Q:

The First step of Bacterial Replication is

A) Pinching of the plasma membrane B) Separation of daughter cells
C) Attachment of the DNA to the plasma membrane D) DNA Replication
 
Answer & Explanation Answer: D) DNA Replication

Explanation:

The First step of Bacterial Replication is DNA Replication.

DNA must be copied in order to proceed.

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Q:

Man has...............pairs of salivary glands

A) 4 B) 6
C) 3 D) 8
 
Answer & Explanation Answer: C) 3

Explanation:

Salivary glands of man are 3 pairs = 6. They are one pair of parotid glands, one pair of submaxillary or submandibular glands and one pair of sublingual glands.

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Q:

Human Heart is made up of

A) nervous tissue B) cardiac muscle
C) nonstriated muscle D) connective tissue
 
Answer & Explanation Answer: B) cardiac muscle

Explanation:
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Q:

For the oxidation, carbohydrates should be in the form of

A) Starch B) Cellulose
C) Glucose D) Fats
 
Answer & Explanation Answer: C) Glucose

Explanation:
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Q:

Spices detoriate after prolonged boiling

A) The essential oils in the spices easily evaporate B) Spices are put in the pickels to add to the flavour
C) Both A and B D) None
 
Answer & Explanation Answer: A) The essential oils in the spices easily evaporate

Explanation:
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