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Current Affairs January 2024

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4

The metallic part of haemoglobin is

A. copper

B. molybdenum

C. nickel

D. iron

Correct Answer :

D. iron


Related Questions

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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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Temperature treatment which shortens the vegetative period and hastens the flowering is called

A. Phototropism

B. Photoperiodism

C. Vernalisation

D. Thermoregulation

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4

The waste product In the urine of man is

A. urea

B. uric acid

C. ammonia

D. non-nitrogenous

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Best growth of plants is attained if they are supplied with

A. low carbohydrate and high nitrogen

B. high carbohydrate and low nitrogen

C. high carbohydrate and moderate nitrogen

D. equal carbohydrate and nitrogen

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Bacteria utilising radiant energy to prepare food are

A. chemosynthetic bacteria

B. heterotrophic bacteria

C. photosynthetic bacteria

D. free living bacteria

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When one gene controls two or more different characters simultaneously, the phenomenon is called

A. Apomixis

B. Pleiotropy

C. Polyploidy

D. Polyteny

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4

Gases of Jupiter' are

A. Ammonia, Methane, Hydrogen

B. Sulphur, Urethane, Oxygen

C. Carbon, Phosphorus and Oxygen

D. Nitrogen, Hydrogen and Chlorine

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4

Lecuminous plants are recommended for rotation of crops because they

A. kill harmful insects

B. require little amount of water

C. help in Nitrogen fixation

D. are cash crops

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4

Vitamin D is known as anti-rachitic vitamin because it cures the deficiency disease called

A. Rickets

B. Beriberi

C. Xerophthalmia

D. Sterility

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4

Scurvy is prevented by vitamin

A. A

B. B

C. C

D. D

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Plantain is

A. a tree

B. an annual herb

C. a perennial herb

D. a shrub

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The human heart is

A. Neurogenic heart

B. Myogenic heart

C. Pulsating heart

D. Ampullary heart

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Plants growing in saline marsh habitats are called

A. Xerophytes

B. Aerophytes

C. Saprophytes

D. Halophytes

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4

Malarial parasite is brought to human host by

A. male anopheles mosquito

B. female anopheles mosquito

C. male culex

D. female culex

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4

The hormone secreted when one is frightened or excited

A. pituitrin

B. thyroxine

C. adrenaline

D. parathormone

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Eugenics is the application of genetics to improve

A. crop plants

B. fruit trees

C. cattle

D. human beings

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Haemophllia is a genetic disorder which leads to

A. decrease in haemoglobin level

B. rheumatic heart disease

C. increase in haemoglobin level

D. non-clothing of blood

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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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Nephantis is popularly called

A. coconut caterpillar

B. brown plant hopper

C. tobacco caterpillar

D. pulse beetle

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4

The tear glands help us in

A. sobbing

B. protecting the eye

C. preventing dust

D. providing a clean moist surface

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4

Which of the following contains the highest protein content per gram?

A. Groundnut

B. Soyabean

C. Apple

D. Wheat

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4

The natural defence of our body against foreign germs is formed by

A. red corpuscles

B. white corpuscles

C. platelets

D. lymph

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Vitamin D deficiency leads to

A. sterility

B. pellagra

C. rickets

D. capillary fragility

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4

Whooping cough is caused by

A. Salmonella

B. Bacillus pertussis

C. Variola

D. Vibriona

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4

Spiders can take only

A. solid food

B. liquid food

C. plant juice

D. flesh of dead animals

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4

Man is warm-blooded, frog is cold-blooded, Which one of the following is cold-blooded?

A. snake

B. peacock

C. parrot

D. camel atmospheric pressure

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4

What is the other name for the brain?

A. myelon

B. encephalon

C. cephalon

D. All the above

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4

Blood pressure is measured by

A. Auxanometer

B. Stethoscope

C. Sphygmomanometer

D. Kaleidoscope

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4

Who coined the term gene?

A. Mendel

B. Devries

C. Jacob and Monod

D. Johanson

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Xerophthalmia is a deficiency disease. Deficiency of _________ causes it.

A. vitamin A

B. vitamin B

C. vitamin C

D. vitamin E