AIIMS MBBS Entrance Test 2019 Biology Paper with Answer & Solutions 25 May First Shift Part 5

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Q-127:

Assertion: In vernalization, flowering is induced by low temperature

Reason: ABA is growth inhibiting hormone

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-128:

Assertion: In commensalism, one organism is benefitted and other is unaffected

Reason: Cattle egret bird and cattle is an example of commensalism

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:

Q-129: Identify the given diagram of tissue performing secretion and absorption –

simple cuboidal epithelium

Simple Cuboidal Epithelium

Options:

(1) Simple cuboidal epithelium

(2) Simple columnar epithelium

(3) Stratified cuboidal epithelium

(4) Stratified columnar epithelium

Answer: (1)

Q-130: Cervical vertebrae differ from other vertebra in having -

Options:

(1) Spinous process

(2) Centrum

(3) Transverse process

(4) Transverse foramen

Answer: (4)

Q-131: Protein on reaction with which yields Ruhemann's purple?

(1) Ninhydrin

(2)

(3)

(4) Benedict's solution

Answer: (1)

Q-132: Which maintains static equilibrium -?

Options:

(1) Cerebrum

(2) Utricle & Saccule

(3) Cerebellum

(4) Semicircular canal

Answer: (2)

Q-133: Which of the following is correct about biogas?

Options:

(1) Methane gas is produced along with ethyl alcohol by methanogen

(2) Methanogens acts on cellulose and release biogas

(3) Biogas is produced by thunder and lightening

(4) Maximum gas found in biogas is

Answer: (2)

Q-134: Blood group of the father is A and blood group of mothers B. Then predict the blood group of the progeny –

Options:

(1) A, AB

(2) A, B, AB, O

(3) B, AB

(4) O, A, B

Answer: (2)

Q-135: Skeletal muscles are controlled by –

Options:

(1) Sympathetic nervous system

(2) Parasympathetic nervous system

(3) Somatic nervous system

(4) Sympathetic and parasympathetic both

Answer: (3)

Q-136: Hardy Weinberg equilibrium is affected by-

Options:

(1) Natural selection

(2) New mutation

(3) Genetic drift

(4) All of the above

Answer: (4)

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