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4

Man has ____ pairs of salivary glands.

A. 3

B. 4

C. 6

D. 8

Correct Answer :

A. 3


Related Questions

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4

The mouth of a river opening into the sea is termed as

A. shore line

B. littoral zone

C. continental shelf

D. estuary

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4

The biologist who believed in the spontaneous creation of microorganisms was

A. Leuwenhock

B. Needham

C. Spallanzeni

D. Pasteur

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4

Mutations could be created by X-rays. This was found by

A. Muller

B. Morgan

C. Meyer

D. Flemming

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4

In case of a heart attack a hormone is injected as an emergency measure. Which one is it?

A. Thyroxine

B. Adrenaline

C. Heparin

D. Insulin

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4

The normal systolic blood pressure is

A. 140

B. 120

C. 180

D. 80

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4

The method of inducing artificial immunity was discovered by

A. Jenner

B. Tolstoy

C. Pasteur

D. Morgan

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4

The disease in which blood clotting does not take place is known as

A. xerophthalmia

B. haemopoiesis

C. haemophilia

D. haemoerythrin

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4

Eosinophil™s are stained by

A. alkaline dyes

B. acidic dyes

C. neutral dyes

D. vital stains

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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

Which one of the following genetical disease is sex-linked?

A. Royal haemophilia

B. Tay-Sachs disease

C. Cystic fibrosis

D. Hypertension

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4

Chromosome theory of inheritance was propounded by

A. Sutton and Boveri

B. Mendel

C. Muller

D. Beadle and Tatum

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4

Cretinism is due to the disorder of the glands

A. Thymus

B. Parathyroid

C. Thyroid

D. Adrenal

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4

Dwarf plants can be made to attain their normal stature by applying

A. IAA

B. Ethylene

C. Gibberelins

D. Cytokinins

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4

Infection of salivary glands by a virus leads to

A. tetanus

B. mumps

C. pyorrhoea

D. ulcers

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4

Plague is caused by

A. Bacteria

B. Virus

C. Fungus

D. Fleas

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4

Diabetes is a disease which is

A. contagious

B. non-communicable

C. communicable

D. epidemic

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4

Desert plants are called

A. Xerophytes

B. Bryophytes

C. Pteridophytes

D. Halophytes

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4

Whale reproduces by

A. ovipary

B. vivipary

C. ovovivipary

D. fission

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4

An inherited characteristic which does not appear in one generation but can appear in the next is called

A. dominant

B. recessive

C. homozygous

D. heterozygous

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Rh+ blood is due to genes which are

A. dominant

B. recessive

C. codominant

D. neutral

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4

What is an antigen?

A. toxic substance

B. a kind of protein

C. blood platelets

D. blood corpuscles

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4

The animal without urinary bladder is

A. Bird

B. Man

C. Rabbit

D. Cow

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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

Rate of mutation can be increased in plants by

A. More manure

B. More pesticides

C. X-ray

D. More light

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4

The equilibrium and co-ordination is looked after by which part of the brain?

A. Cerebrum

B. Medulla oblongata

C. Cerebellum

D. Olfactory lobes

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4

Eugenics is the application of genetics to improve

A. crop plants

B. fruit trees

C. cattle

D. human beings

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4

The involuntary muscles are controlled by the

A. Cerebrum

B. Cerebellum

C. Medulla oblongata

D. Pons

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4

Organisms which synthesise their own food are called

A. autotrophs

B. heterotrophs

C. saprotrophs

D. auxotrophs

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4

Green plants synthesise carbohydrates by the

A. holozoic method

B. holophytic method

C. saprophytic method

D. parasitic method

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4

The stones formed in human kidney consist mostly of

A. calcium oxalate

B. sodium acetate

C. magnesium

D. calcium