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Current Affairs January 2024

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4

The artificial kidney operates on the principle of

A. dialysis

B. diffusion

C. osmosis

D. active transport

Correct Answer :

A. dialysis


Related Questions

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Translocation of food takes place in plants through

A. xylem

B. phloem

C. cambium

D. cortex

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Niche' refers to

A. place of living

B. type of food

C. place of living and type of food

D. food and movement

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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 plays an important part in photosynthesis?

A. Chloroplast

B. Centrosome

C. Tonoplast

D. Nematoblast

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Baldness is seen only in the males because

A. it is a male disorder

B. it is linked with male Y chromosome

C. it is influenced by male hormone

D. females cover it up with wigs

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Athlete's Coot is the common name for the fungal disease

A. Tinea pedis

B. Tinea cruris

C. Tinea corporis

D. Tinea capitis

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What are top carnivores?

A. biggest carnivores

B. tigers

C. all carnivorous animals

D. carnivores that are not eaten by any other animal

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Valve a are present inside

A. Arteries

B. Capillaries

C. Veins

D. Lymph vessels

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The potato is a modified stem, is explained by the presence of

A. Branches

B. Leaves

C. Buds

D. Scale leaves and auxiliary buds

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Afforestation means

A. study of forests

B. growing new forests

C. destroying the forests

D. go into the forests

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Blood is

A. acidic

B. alkaline

C. neutral

D. like a buffer

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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

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What is the bacterial disease in lime fruits?

A. Phythophthora

B. White rust

C. Citrus canker

D. Smut disease

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4

The metallic part of haemoglobin is

A. copper

B. molybdenum

C. nickel

D. iron

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Diabetes is a disease which is

A. contagious

B. non-communicable

C. communicable

D. epidemic

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Which hormone is secreted when there is a rise in the blood glucose level?

A. Glucagon

B. Insulin

C. Nor-adrenaline

D. Thyroxine

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Which among the following is not a degenerative disease?

A. Diabetes

B. Stroke

C. Myocardial infraction

D. Rabies

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The ultimate substances to which the carbohydrates are degraded are

A. amino acid

B. glycerol

C. glucose

D. maltose

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The two minerals required to keep teeth and bones intact and in good condition are

A. lead and zinc

B. calcium and phosphorus

C. copper and sulphur

D. iron and iodine

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The hormone which is Popularly called as stress hormone is

A. Epinephrine

B. Cortisone

C. Thyroxine

D. Insulin

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Most of the enzymes are

A. proteins

B. lipids

C. acids

D. alkalis

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In a gamete there will be

A. one pair of sex chromosomes

B. only one sex chromosome

C. no sex chromosome

D. only autosomes

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The protoplasm of a child is exactly the same as that of its

A. mother

B. father

C. grandfather

D. identical twin

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What is an antigen?

A. toxic substance

B. a kind of protein

C. blood platelets

D. blood corpuscles

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Stripes on the bodies of animals Indicate

A. mating habit

B. food habit

C. cave dwelling

D. matching of skin colour with the surroundings

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The bacteria that gets into our body is consumed by

A. RBC

B. Blood platelets

C. Plasma

D. Phagocytes

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The animal that excretes uric acid

A. Monkey

B. Lizard

C. Mouse

D. Elephant

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The layer of stagnant water in which light penetrates is called

A. Aphotic

B. Euphotic

C. Epilimnion

D. Disphotic

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Origin of species was published by

A. Lamarck

B. Weismann

C. de Vries

D. Charles Darwin

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DNA is found

A. only in cytoplasm

B. only in nucleus

C. in both cytoplasm and nucleus

D. in hybrid form only