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4

The influenza vaccine was discovered by

A. Salk

B. Khorana

C. Mittel

D. None of the above

Correct Answer :

A. Salk


Related Questions

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The theory that believes that the first living organism came from another planet is known as

A. Catastrophism

B. Special creation

C. Organic evolution

D. Cosmozoic theory

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4

The geotropism of the roots that makes them grow towards gravity is said to be

A. positive

B. negative

C. neutral

D. oblique

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Chromosome theory of inheritance was propounded by

A. Sutton and Boveri

B. Mendel

C. Muller

D. Beadle and Tatum

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4

The protein synthesis takes place in

A. Ribosomes

B. Chromosomes

C. DNA

D. None of these

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4

Fishes send out their nitrogenous waste as

A. ammonia

B. urea

C. uric acid

D. sweat

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4

The 'father of genetics' is

A. Mendel

B. Morgan

C. Darwin

D. Muller

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The hormone that is responsible for secondary sexual character in the male is

A. oestrogen

B. progesterone

C. testosterone

D. prolactin

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4

The universal recipient belongs to blood group

A. A

B. B

C. AB

D. O

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Insect pollination is known as

A. Hydrophily

B. Ornithophily

C. Anemophily

D. Entomophily

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4

The layer of stagnant water in which light penetrates is called

A. Aphotic

B. Euphotic

C. Epilimnion

D. Disphotic

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4

Which one of the endocrine glands disappears after puberty?

A. Thyroid

B. Thymus

C. Adrenals

D. Pituitary

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4

Name the nematode which lives in lymph vessels of man.

A. Ascaris

B. Hook worm

C. Filarial worm

D. Guinea worm

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4

Which of these is most consistently observed in Vitamin B12 deficiency?

A. Pigmentation of skin

B. Red, sore tongue with capillary atrophy

C. Megaloblastic anemia

D. Absence of tendon reflexes

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4

In plants water is carried upwards by

A. phloem

B. paranchyma

C. xylem

D. meristem

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Hormones are carried from their place of production by

A. ducts

B. blood

C. lymph

D. muscus

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The eland having endorine as well as exocrine function is

A. Adrenal gland

B. Thyroid gland

C. Pituitary gland

D. Pancreatic gland

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4

The valve between the right auricle and right ventricle is called

A. Tricuspid

B. Bicuspid

C. Monocuspid

D. Semilunar

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4

The study of ecology with pyramids was invented by

A. Darwin

B. Elton

C. Odum

D. Joshua

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4

Digestion of proteins starts in the

A. mouth

B. stomach

C. duodenum

D. intestine

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The acid that is secreted in the stomach is

A. HCI

B. H2SO4

C. H2CO3

D. HNO3

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4

Foal' is the young on of the

A. Cat

B. Lion

C. Tiger

D. Horse

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Origin of species was published by

A. Lamarck

B. Weismann

C. de Vries

D. Charles Darwin

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4

The insects do not have blood pigments because

A. there is no blood

B. blood does not have a respiratory function

C. tissues have pigments

D. pigments are elsewhere

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4

The two German scientists who proposed the 'cell theory' were

A. Mendel and 'Darwin

B. Theodore Schwann and Matthias Schleiden

C. Virchow and Purkinje

D. porter and Palade

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4

What are oncogenes?

A. a dominant gene

B. a set of genes which produce cancer

C. a gene present in the X-chromosomes causing haemophilia

D. a recessive gene

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4

The function of a cell wall is

A. to give definite shape to the cell

B. to provide mechanical strength and protection to the cell

C. to prevent the cell from desiccation

D. All the above

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4

HIV causes

A. cancer

B. hepatitis

C. AIDS

D. Herpes

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4

Dinosaur is a/an

A. Fish

B. Amphibian

C. Reptile

D. Bird

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4

Which one of the following is essential for blood clotting?

A. RBC

B. WBC

C. Blood platelets

D. Lymph

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Biologists have so far known, found and identified a large number of species in the plant and animal kingdom. In terms of numbers, the largest found and identified so far is from among the

A. fungi

B. plants

C. insects

D. bacteria