12TH CBSE BIO Human Health and Disease MCQS

 Hashish and Ganja are got from

(a) Erythroxylon (b) Nicotiana (c) Papaver (d) Cannabis
The stimulant present in tea, cocoa and cola drinks is
(a) Cocaine (b) Tannin (c) Astringent (d) Caffeine
LSD is
(a) Lying diethylamide (b) Lysergic acid diethylamide (c) Lysing dimethylamide
(d) Lysergic acid diethylamide
Which of the following properties of acquired immunity is the basis of vaccination?
(a) Specificity (b) Diversity (c) Memory (d) Discrimination between self and non self.
Immunodeficiency can result from which of the following?
(a) Gene mutation (b) Infection (c) Malnutrition (d) All of the above
HIV attacks which of the following?
(a) B cells (b) T cells (c) Antigen presenting cells (d) T helper cells

Which of the following is not a component of innate immunity?
(a) Antibodies (b) Interferons (c) Complement proteins (d) Phagocytes
Opiates (opium, heroin) are obtained from
(a) Papaver sominiferum (b) Cannabis sativa (c) Theobroma (d) Thea chinensis
THC is associated with
(a) Papaver (b) Cannabis (c) Erythroxylon (d) Theobroma
Formation of alcohol by yeast is
(a) Anaerobic process (b) Extracellular process (c) Microbial process (d) All of the above
Which of the following is involved in defence mechanism of the body?
(a) Lymphocytes (b) Neutrophils (c) Macrophages (d) All of these

Which part of the brain is involved in loss of control when a person drinks alcohol?
(a) Cerebellum (b) Medulla oblongata (c) Cerebrum (d) Pons varoli 
Marijuana and charas are
(a) Stimulant (b) Hallucinogens (c) Depressant (d) Sedative
Caffeine is a stimulant present in
(a) Coffee (b) Tea (c) Cold drinks (d) All of the these
Which one of the following is a matching pair of a drug and its category?

(a) Amphetamines-Stimulant (d) Benzodiazepam-pain killer

(b) Lysergic Acid Diethylamide-Narcotic

(c) Heroin-psychotropic

'AIDS' is due to

(a) Destruction of killer T-cells (d) Autoimmunity

(b) Destruction of helper T-cells

(c) Lack of Interferons

Aspirin is a/an
(a) Antibiotic (b) Antipyretic (c) Antiseptic (d) None of these
A young drug addict used to show symptoms of depressed brain activity, feeling of calmness, relaxation
and drowsiness. Possibly he was taking
(a) Amphetamine (b) Marijuana (c) Pethidine (d) Valium
Antigen binding site in an antibody is found between
(a) Two light chains (b) Two heavy chains (c) One heavy and one light chain
(d) Either between two light chains or between one heavy and one light chain depending upon the
nature of antigen
The disease elephantiasis is due to
(a) Ascaris (b) Wuchereria (c) Entamoeba (d) Plasmodium

Diacetylmorphine is commonly known as
(a) Morphine (b) Cannabis (c) Heroin (d) Cocaine (e) Hashish
The cancer of the epithelial cells is called
(a) Leukemia (b) Lipoma (c) Sarcoma (d) Emphysema (e) Carcinoma
Which one of the following is the infective stage of Ascaris lumbricoides?
(a) Unsegmented egg (b) Egg with first stage larva (c) Egg with second stage larva (d) Free third stage larva
The vector of the kala-azar is
(a) Aedes sp (b) Anopheles stephensi (c) Culex fatigens (d) Phlebotomus sp
Passive immunity can be obtained through
(a) Antigens (b) Vaccines (c) Antibiotics (d) Antibodies
Active immunity developed is related to
(a) Natural killer cells (b) Memory cells (c) Helper T cells (d) Suppressor T cells