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Biology (Practice Test)

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What is common to chloera, amoebiasis, polio, hepatitis and typhoid?

  1. All are water- borne diseases

  2. All are non-communicable

  3. All are bacterial diseases

  4. All the above


Correct Option: A

During anaphylactic shock the

  1. blood pressure increases

  2. blood pressure decreases

  3. blood pressure remains normal

  4. none of these


Correct Option: B

How does nicotine act in blood?

  1. Stimulates the nervous system

  2. Releases adrenaline

  3. Relaxes the muscles

  4. All of the above


Correct Option: D

Ethyl alcohol in liver is converted into more toxic

  1. acetaldehyde

  2. acetone

  3. both 1 and 2

  4. none of these


Correct Option: A

Rh–factor incompatibility leads to

  1. anaemic condition in foetus

  2. leukaemia in foetus

  3. Both 1 and 2

  4. None of these


Correct Option: A
Explanation:

Rh–factor incompatibility leads to anaemic condition in foetus.

Which one of the following is least affected by the radiations?

  1. Non-dividing cells like the neurons.

  2. Highly dividing cells like the skin cells.

  3. Both are affected equally.

  4. None is affected


Correct Option: A

Triple vaccine is given against

  1. Diphtheria, whooping cough, tetanus

  2. Diphtheria, pertussis, tetanus

  3. Polio, tetanus, typhoid

  4. Both 1 & 2


Correct Option: D

Failure of descending of testis into scrotum is termed as

  1. paedogenesis

  2. castration

  3. cryptorchidism

  4. none of these


Correct Option: C
Explanation:

The failure of descending of testes into scrotum is termed as cryptorchidism.

Which of the following is a viral disease?

  1. Tetanus

  2. Chloera

  3. Typhoid

  4. Rabies


Correct Option: D

Population size increases by

  1. natality

  2. immigration

  3. emigration

  4. both 1 and 2


Correct Option: D

The scientific study of human population is called

  1. eugenics

  2. gerontology

  3. demography

  4. geriatrics


Correct Option: C

Bursa of Fabricus is found in

  1. amphibians

  2. reptiles

  3. birds

  4. mammals


Correct Option: C

The phagocytes found in the tissues but not in the blood stream are

  1. macrophages

  2. plasma cells

  3. neutrophils

  4. monocytes


Correct Option: A

A permanent method of birth control is

  1. vasectomy

  2. tubectomy

  3. both 1 and 2

  4. none of these


Correct Option: C

Artificial immunity can be acquired from

  1. vaccination

  2. analgesics

  3. penicillin

  4. all of these


Correct Option: A

The first line of defence against many tumours is

  1. natural killer cells

  2. polymorphs

  3. monocytes

  4. none of these


Correct Option: A

BCG vaccine provides protection from

  1. polio

  2. tuberculosis

  3. typhoid

  4. cholera


Correct Option: B
Explanation:

BCG vaccine provides protection from tuberculosis.

Which of the following is an immunosuppressive drug?

  1. Cyclosporine

  2. Streptomycin

  3. Tetracycline

  4. Valium


Correct Option: A

Cells which secrete histamine occur in

  1. liver

  2. connective tissue

  3. lungs

  4. kidney


Correct Option: B

Which of the following is an autoimmune disease?

  1. Cholera

  2. Rheumatic fever

  3. Typhoid fever

  4. Malaria


Correct Option: B

Antibiotics destroy or inhibit

  1. bacteria, fungi and viruses

  2. bacteria, algae and viruses

  3. bacteria and fungi

  4. bacteria and viruses


Correct Option: C

Which vessel(s) is/are used for coronary artery bypass surgery?

  1. Saphenous vein

  2. Internal mammary artery

  3. Femoral artery

  4. Both 1 and 2


Correct Option: D

Which one of the following can be determined by amniocentesis?

  1. Turner's syndrome

  2. Klinefelter's syndrome

  3. Sex of the unborn child

  4. All the above


Correct Option: D

Who recorded ECG for the first time?

  1. Einthoven

  2. Waller

  3. Hans Spemann

  4. Robert Briggs


Correct Option: B

Computed temography (CT) was invented by

  1. Block and Purcel

  2. Knoll

  3. Waller

  4. Sir Godfrey Hounsfield


Correct Option: D

Ultrasound imaging is useful in diagnosing

  1. brain disorders

  2. gall stones

  3. cirrhosis

  4. all of these


Correct Option: D

Name the isotope used in PET scanning

  1. C11

  2. N13

  3. O15

  4. Any of these


Correct Option: D

Which of the following is used by surgeons as a “light knife”?

  1. X-rays

  2. Lasers

  3. Gamma rays

  4. All of these


Correct Option: B

Psilocybin is obtained from

  1. bacteria

  2. virus

  3. mushroom

  4. poppy seeds


Correct Option: C

The unit of CT scan image is

  1. pixel

  2. tesla

  3. photons

  4. electrons


Correct Option: A

Neurosis is characterized by

  1. madness

  2. prolonged emotional reaction to a stress

  3. pain in the head

  4. fits or convulsions


Correct Option: B

Psychotropic drugs are also called

  1. narcotics

  2. mood altering drugs

  3. hallucinogens

  4. all the above


Correct Option: B

EEG can help in diagnosing

  1. epilepsy

  2. encephalitis

  3. tumors

  4. all of these


Correct Option: D

QRS is related to

  1. ventricular contraction

  2. ventricular relaxation

  3. auricular contraction

  4. auricular relaxation


Correct Option: A
Explanation:

 QRS is related to ventricular contraction.

Most thinly populated state of India is

  1. Rajasthan

  2. Sikkim

  3. Tripura

  4. Arunachal Pradesh


Correct Option: D
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