Explore topic-wise MCQs in Biology.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

ECT is

A. An apparatus for epilepsy
B. A durg which acts as sedative
C. Shock treatment
D. Artificial organ for human
Answer» D. Artificial organ for human
Discussion
2.

Which of the following is an opiate narcotic [CBSE PMT 1997]

A. Barbiturates
B. Morphine
C. Amphetamines
D. LSD
Answer» C. Amphetamines
Discussion
3.

Sleep is prevented by

A. Barbiturates
B. Benzodiazephines
C. Amphetamines
D. Psilocybin
Answer» D. Psilocybin
Discussion
4.

Initial stage of drug addiction is

A. Habituation
B. Tolerance
C. Dependence
D. Sleep
Answer» B. Tolerance
Discussion
5.

Nerve depressants

A. Increase the nerve impulses
B. Are sedatives only
C. Are sedatives and cause the low blood pressure
D. Are sedatives and tranquillisers both
Answer» E.
Discussion
6.

Tunnel vision is caused by [BVP 2003]

A. Drug addiction
B. Use of tobacco
C. Use of alcohol
D. Use of LSD
Answer» D. Use of LSD
Discussion
7.

When a person dies after stung by a bee following by the administration of penicillin, death may be due to [Kerala PMT 2004]

A. Prophylactic shock
B. Anaphylactic shock
C. Autouimmunity
D. Sedation
E. None of these
Answer» C. Autouimmunity
Discussion
8.

Women who consumed the drug thalidomide for relief from vomiting during early months of pregnancy gave birth to children with [AIIMS 2004]

A. No spleen
B. Hare-lip
C. Extra fingers and toes
D. Underdeveloped limbs
Answer» E.
Discussion
9.

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Aspirin has several uses. Reason :   Excessive use of aspirin is harmful.

A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If the assertion and reason both are false.
E. If assertion is false but reason is true.
Answer» C. If assertion is true but reason is false.
Discussion
10.

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Bhang and Ganja are obtained from same plant. Reason :   Bhang and Ganja are obtained from two different plants.

A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If the assertion and reason both are false.
E. If assertion is false but reason is true.
Answer» C. If assertion is true but reason is false.
Discussion
11.

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Fatty liver syndrome develops in alcoholics. Reason :   In alcoholics accumulation of fats occur in liver.

A. If both assertion and reason are true and the reason is the correct explanation of the assertion.\
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If the assertion and reason both are false.
E. If assertion is false but reason is true.
Answer» B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
Discussion
12.

Driving after drinking is not advised because due to intoxication

A. Reaction time delays
B. Judgement and co-ordination disturbs
C. Affect behaviour and vision
D. All of the above
Answer» E.
Discussion
13.

Fatty liver syndrome appears due to

A. Excessive synthesis of fat from fatty acids
B. Synthesis of fat from amino acids
C. Synthesis of fat, fatty acids and glycerols
D. Synthesis of fat from alcohol
Answer» E.
Discussion