AIIMS MBBS Entrance Test 2019 Biology Paper with Answer & Solutions 25 May First Shift Part 4

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Q-119:

Assertion: In eukaryotes, both intron and exon are transcribed to form hnRNA

Reason: Splicing is required in prokaryotes

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-120:

Assertion: Parthenocarpy involves formation of seedless fruit.

Reason: Apomixis occurs without fertilization.

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-121:

Assertion: Somaclonal variations produce slight differences in plant.

Reason: They are produced while performing tissue culture.

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-122:

Assertion: In eukaryotes, transcription occurs in nucleus

Reason: In bacteria, transcription and translation occurs in cytoplasm.

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-123:

Assertion: Fig and wasp cannot complete their life cycle without each other.

Reason: It is mutualistic relationship

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-124:

Assertion: Bio fortification is used to increase nutrient value of crops

Reason: Meristem culture is used to obtain virus resistant plants

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-125:

Assertion: Isolated protoplasts are used for somatic hybridization

Reason: Callus culture does not allow variation

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-126:

Assertion: In C3 cycle, the first stable compound is 3C compound

Reason: In C4 plants Calvin cycle is absent

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)

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