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What is the correct answer?

4

The specific gravity of blood

A. lower than water

B. higher than water

C. same as water

D. many times that of water

Correct Answer :

B. higher than water


Related Questions

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4

The artificial kidney operates on the principle of

A. dialysis

B. diffusion

C. osmosis

D. active transport

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4

Translocation of food takes place in plants through

A. xylem

B. phloem

C. cambium

D. cortex

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4

Which one of the following was probably absent in the atmosphere at the time of origin of life?

A. Ammonia

B. Oxygen

C. Hydrogen

D. Carbon

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4

The nerve messages enter the cell through the

A. Dendrite

B. Axon

C. Cyton

D. Synapse

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4

Heart is made up of

A. nonstriated muscle

B. cardiac muscle

C. connective tissue

D. nervous tissue

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4

The part of the human brain concerned with sight is the

A. Frontal lobe

B. Parietal lobe

C. Temporal lobe

D. Occipital lobe

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4

Adaptation for flying is termed as

A. aquatic

B. volant

C. fossorial

D. cursorial

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In phototropism, auxins

A. Promote growth of cells

B. Inhibit cell division

C. Inhibit growth of cells

D. Stimulate differential growth of cells

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The grouping o( blood is based on substances called

A. antibodies

B. antigens

C. antitoxin

D. enzymes

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The thrombocytes are associated with

A. blood coagulation

B. transport of respiratory gases

C. removal of nitrogenous wastes

D. all the above

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The normal systolic blood pressure is

A. 140

B. 120

C. 180

D. 80

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4

Sexual selection theory was propounded by

A. Wallace

B. De Vires

C. Lamarck

D. Charles Darwin

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4

Which of the following diseases are not bacterial?

A. cholera and diphtheria

B. trichomonasis and malaria

C. tetanus and typhoid

D. tuberculosis and leprosy

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4

Modern classification of the living world recognise ___________ kingdoms.

A. two

B. three

C. four

D. five

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Blood cancer is otherwise called

A. Leukaemia

B. Leucoderma

C. Leucocytopenia

D. Erythrocemia

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Which of the following diseases is not caused by a virus?

A. Cancer

B. Rabies

C. AlDS

D. Severe Acute Respiratory Syndrome (SARS)

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4

Which among the following vitamins is considered to be a harmone?

A. A

B. B

C. C

D. D

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Lizards, snakes, crocodiles and turtles belong to the class

A. Aves

B. Reptilia

C. Mammalia

D. Amphibia

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4

The specific gravity of blood

A. lower than water

B. higher than water

C. same as water

D. many times that of water

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4

The insect vector for the disease Leishmaniasis is

A. Tsetse fly

B. Culex

C. Phlebotomus

D. Anopheles

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4

The enzyme that is necessary to bring about clotting of blood is

A. peptidase

B. amylase

C. lipase

D. thrombokinase

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4

Phototropism means that plants react to the direction of

A. sound

B. wind

C. light

D. gravity

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4

The medulla oblongata encloses the

A. optic lobe

B. optic capsule

C. second ventricle

D. fourth ventricle

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The following disease is prevented by triple-antigen immunization

A. Diphtheria

B. Tuberculosis

C. Smallpox

D. Mumps

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The radicle of the seeding always grows

A. towards the gravity

B. away from gravity

C. neutral to gravity

D. towards light

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The pigment which is responsible for blood clotting is

A. Fibrinogen

B. Haemoglobin

C. Glucose

D. Blood cells

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The blood pressure is controlled by the hormone

A. Vasopressin

B. Oxytocin

C. Oestrogen

D. Testasterone

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4

Tuberculosis is caused by

A. tobacco

B. tubers

C. bacteria

D. virus

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A person with a blood group ____ is considered to be an universal donor.

A. A Positive

B. AB Positive

C. AB Negative

D. O Positive

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Bird nu is a disease which affects and spreads through

A. Cattle

B. Sheep

C. Prawn

D. Poultry