Human Health and Disease — Page 11 | NEET Biology

Q101

In which one of the following pairs of diseases are both caused by viruses?

A Tetanus and typhoid

B Whooping cough and sleeping sickness

C Syphilis and AIDS

D Measles and rabies

Correct Answer

Option D

Solution

(d) Measles and rabies are both caused by viruses.

Q102

Which one of the following is the correct statement regarding the particular psychotropic drug specified?

A Hashish causes after thought perceptions and hallucinations

B Opium stimulates nervous system and causes hallucinations

C Morphine leads to delusions and disturbed emotions

D Barbiturates cause relaxation and temporary euphoria

Correct Answer

Option A

Solution

(a) Hashish (Cannabis preparation) causes after-thought perceptions and hallucinations.

Q103

Cirrhosis of liver is caused by the chronic intake of

A Opium

B Alcohol

C Tobacco (Chewing)

D Cocaine

Correct Answer

Option B

Solution

(b) Long term alcohol intake causes cirrhosis — destruction of hepatocytes and irreversible scarring.

Q104

Which one of the following is a hallucinogenic drug?

A Opium

B Caffeine

C Morphine

D Lysergic acid diethylamide

Correct Answer

Option D

Solution

(d) LSD (Lysergic acid diethylamide) is a hallucinogen that causes illusions and hallucinations.

Q105

Which is the particular type of drug obtained from Datura?

A Hallucinogen

B Depressant

C Stimulant

D Pain-killer

Correct Answer

Option A

Solution

(a) Datura has hallucinogenic properties. Hallucinogens produce changes in perception, thought, and feeling.

Q106

Transplantation of tissues/organs fails often due to non-acceptance. Which immune-response is responsible?

A Cell-mediated immune response

B Hormonal immune response

C Physiological immune response

D Autoimmune response

Correct Answer

Option A

Solution

(a) Cell-mediated immune response against donor HLA antigens causes transplant rejection.

Q107

Which immune response is responsible for rejection of kidney graft?

A Auto-immune response

B Humoral immune response

C Inflammatory immune response

D Cell-mediated immune response

Correct Answer

Option D

Solution

(d) Cell-mediated immune response (T-lymphocytes) is responsible for graft rejection.

Q108

Passive immunity is induced by injecting

A weakened pathogens

B inactivated toxins

C preformed antibodies

D attenuated microorganisms

Correct Answer

Option C

Solution

(c) Passive immunity involves direct injection of preformed antibodies.

Q109

Memory cells are formed from

A T lymphocytes

B B lymphocytes

C Both A and B

D None of the above

Correct Answer

Option C

Solution

(c) Both T and B lymphocytes form memory cells for rapid secondary immune response.

Q110

Which one of the following immunoglobulins is present in maximum concentration in human body?

A IgA

B IgG

C IgM

D IgE

Correct Answer

Option B

Solution

(b) IgG is the most abundant immunoglobulin in blood.