Explore topic-wise MCQs in Biology.

This section includes 256 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

151.

In which part of the eye, blind spot and yellow spot are found ?

A. Cornea
B. Lens
C. Iris
D. Retina
Answer» E.
152.

Which of the following strains of H.I.V. is dominant in India ?

A. HIV 1A
B. HIV 1B
C. HIV 1C
D. HIV 1D
Answer» D. HIV 1D
153.

Which of the following drugs has been recently reported to be responsible for the decline of the population of Vultures ?

A. Aspirin
B. Chloroquine
C. Diclofenac sodium
D. Penicillin
Answer» D. Penicillin
154.

Which one of the following diseases can not be controlled by vaccination ?

A. Diabetes
B. Polio
C. Whooping cough
D. Small pox
Answer» B. Polio
155.

The organ of the human body directly affected by the disease of hepatitis is

A. Liver
B. Lungs
C. Heart
D. Brain
Answer» B. Lungs
156.

Which one of the following disease is not caused by virus ?

A. Polio
B. Rabies
C. Small pox
D. Diphtheria
Answer» E.
157.

Of the following, ELISA test is performed to test

A. Diabetes
B. Tuberculosis
C. AIDS
D. Syphilis
Answer» D. Syphilis
158.

The radio-isotope used to detect blood-clots in the circulatory system is

A. Arsenic-74
B. Cobalt-60
C. I-131
D. Sodium-24
Answer» E.
159.

Keeping pigs away from human settlements helps in the eradication of

A. Malaria
B. Japanese encephalitis
C. Elephantiasis
D. Polio
Answer» C. Elephantiasis
160.

Which of the following strains of

A. HIV 1A
B. HIV 1B
C. HIV 1C
D. HIV 1D
Answer» D. HIV 1D
161.

Night blindness

A. Vitamin A
B. Vitamin B-
C. <sub>1</sub>
D. Vitamin C
E. Vitamin E
Answer» B. Vitamin B-
162.

The disease in which high levels of

A. Meningitis
B. Gout
C. Rheumatism
D. Rheumatic heart
Answer» C. Rheumatism
163.

During

A. Sugar
B. Calcium phosphate
C. Sodium chloride
D. Potassium chloride
Answer» D. Potassium chloride
164.

Which of the following disease is caused by the excessive consumption of

A. Appendicitis
B. Viral hepatitis
C. Gall stones
D. Liver cirrhosis
Answer» E.
165.

Rabies is

A. Bacteria
B. Fungus
C. Virus
D. Protozoan
Answer» D. Protozoan
166.

Electron beam therapy

A. enlarged prostate gland
B. gall bladder stones
C. certain type of cancer
D. kidney stones
Answer» D. kidney stones
167.

In which part of the

A. Cornea
B. Lens
C. Iris
D. Retina
Answer» E.
168.

Which on of the following

A. Isoniazid
B. P-amino salicylic acid
C. Streptomycin
D. Rifampicin
Answer» E.
169.

Which of the following disease is caused by

A. Malaria
B. Cholera
C. Jaundice
D. None of these
Answer» B. Cholera
170.

Itai-Itai disease

A. Mercury
B. Nickel
C. Cadmium
D. Lead
Answer» D. Lead
171.

Anosmia

A. Loss of the sense of taste
B. Loss of the sense of smell
C. Loss of the sense of touch
D. Loss of the sense of heat
Answer» C. Loss of the sense of touch
172.

Which one of the following human organs is

A. Eyes
B. Heart
C. Brain
D. Lungs
Answer» E.
173.

Which one of the following genetic

A. Haemophilia
B. Tay-sachs disease
C. Cystic fibrosis
D. Hypertension
Answer» B. Tay-sachs disease
174.

Artemisinin,

A. Seed plant
B. Fungus
C. Bacterium
D. Moss
Answer» B. Fungus
175.

The disease caused by

A. Leukaemia
B. Paralysis
C. Sclerosis
D. Meningitis
Answer» E.
176.

Foot and Mouth disease

A. Bacterium
B. Fungus
C. Protozoan
D. Virus
Answer» E.
177.

"Athelete's Foot"

A. Bacteria
B. Fungus
C. Protozoan
D. Nematode
Answer» C. Protozoan
178.

Haemophilia

A. Decrease in haemoglobin level
B. Rheumatic heart disease
C. Decrease in WBC
D. Non-clotting of blood
Answer» E.
179.

Salk's vaccine

A. Small pox
B. Tetanus
C. T.B.
D. Polio
Answer» E.
180.

Which of the following is a substance available in

A. Iron
B. Vitamin A
C. Fluorine
D. Iodine
Answer» E.
181.

In countries where

A. Pellagra
B. Beri-beri
C. Scurvy
D. Osteomalacia
Answer» C. Scurvy
182.

Accumulation of which one of the following in the

A. Lactic acid
B. Benzoic acid
C. Pyruvic acid
D. Uric acid
Answer» B. Benzoic acid
183.

BMD

A. Dengue
B. Malaria
C. Osteoporosis
D. AIDS
Answer» D. AIDS
184.

The year

A. Foot mouth disease
B. Rinderpest
C. Rabies
D. Cowpox
Answer» C. Rabies
185.

AIDS

A. Acquired Immune Deformity Syndrome
B. Anticipated Immune Deficiency Syndrome
C. Acquired Immune Deficiency Syndrome
D. Abnormal Immune Deficiency Syndrome
Answer» D. Abnormal Immune Deficiency Syndrome
186.

The National institute

A. Kolkata
B. Dehradun
C. Mumbai
D. Hyderabad
Answer» C. Mumbai
187.

Which oh the following decrease in number in the human body due to

A. Platelets
B. Haemoglobin
C. Sugar
D. Water
Answer» B. Haemoglobin
188.

Emphysema

A. Liver
B. Kidney
C. Lungs
D. Brain
Answer» D. Brain
189.

Iodine

A. Rheumatism
B. Night blindness
C. Rickets
D. Goitre
Answer» E.
190.

Sleeping sickness

A. Deficiency of vitamin A
B. Deficiency of calcium in body
C. Rising of Blood pressure
D. Trypanosoma
Answer» E.
191.

Death by diarrhoea

A. bacteria
B. protozoa
C. amoeba
D. fungus
Answer» B. protozoa
192.

Diseases of which of the following pairs are caused by

A. Malaria and Polio
B. Polio and Bird Flu
C. Polio and Tuberculosis
D. Tuberculosis and Influenza
Answer» C. Polio and Tuberculosis
193.

The organ of the human body directly affected by the disease of

A. Liver
B. Lungs
C. Heart
D. Brain
Answer» B. Lungs
194.

Of the following,

A. Diabetes
B. Tuberculosis
C. AIDS
D. Syphilis
Answer» D. Syphilis
195.

Keeping pigs

A. Malaria
B. Japanese encephalitis
C. Elephantiasis
D. Polio
Answer» C. Elephantiasis
196.

The vector of

A. Sand-fly
B. House-fly
C. Fruit-fly
D. Tsetse-fly
Answer» E.
197.

Which one of the following insects spreads

A. Fruit fly
B. Tsetse fly
C. Sand fly
D. Mosquito
Answer» D. Mosquito
198.

Endoscopy

A. Total internal reflection
B. Interference
C. Diffraction
D. Polarization
Answer» B. Interference
199.

Consider the following disease

A. 1, 2 and 3 only
B. 2, 3 and 4 only
C. 1 and 4 only
D. 1, 2, 3 and 4 only
Answer» E.
200.

Which one of the following is not an insect

A. Beriberi
B. Kala azar
C. Malaria
D. Plague
Answer» B. Kala azar