AIIMS MBBS Entrance Test 2019 Biology Paper with Answer & Solutions 25 May First Shift Part 7

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Q-147:

Assertion: 100 ml of blood delivers 5 ml to tissues in normal conditions

Reason: One molecule of can bind with molecules of

Options:

(1) If both assertion and reason are true and reason is the correct explanation of assertion.

(2) If both assertion and reason are true but reason is not the correct explanation of assertion.

(3) If assertion is true but reason is false.

(4) If both assertion and reason are false.

Answer: (2)

Q-148:

Assertion: Proto-oncogene’s are present in normal cells

Reason: Proto-oncogene’s may causes malignant tumour in animals, if activated.

Options:

(1) If both assertion and reason are true and reason is the correct explanation of assertion.

(2) If both assertion and reason are true but reason is not the correct explanation of assertion.

(3) If assertion is true but reason is false.

(4) If both assertion and reason are false.

Answer: (2)

Q-149:

Assertion: Na and K ions are necessary for muscle contraction.

Reason: Na and K concentration changes across the muscle cell membrane resulting in development of potential difference.

Options:

(1) If both assertion and reason are true and reason is the correct explanation of assertion.

(2) If both assertion and reason are true but reason is not the correct explanation of assertion.

(3) If assertion is true but reason is false.

(4) If both assertion and reason are false.

Answer: (1)

Q-150:

Assertion: Malpighian tubules are excretory organs in most of the insects.

Reason: These help in excretion of urea and creatinine.

Options:

(1) If both assertion and reason are true and reason is the correct explanation of assertion.

(2) If both assertion and reason are true but reason is not the correct explanation of assertion.

(3) If assertion is true but reason is false.

(4) If both assertion and reason are false.

Answer (3)

Q-151:

Assertion: Opioids are used as drugs of abuse.

Reason: These slow down metabolism and produce hallucinations.

Options:

(1) If both assertion and reason are true and reason is the correct explanation of assertion.

(2) If both assertion and reason are true but reason is not the correct explanation of assertion.

(3) If assertion is true but reason is false.

(4) If both assertion and reason are false.

Answer: (3)

Q-152:

Assertion: Amount of cyanocobalamin required daily is 3 mcg.

Reason: Its deficiency causes pernicious anaemia

Options:

(1) If both assertion and reason are true and reason is the correct explanation of assertion.

(2) If both assertion and reason are true but reason is not the correct explanation of assertion.

(3) If assertion is true but reason is false.

(4) If both assertion and reason are false.

Answer: (2)

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