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Current Affairs January 2024

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4

Which organelle in the cell, other than nucleus, contains DNA?

A. Centriole

B. Golgi apparatus

C. Lysosome

D. Mitochondrion

Correct Answer :

D. Mitochondrion


Related Questions

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Sadabahar, a common weed, is the raw material that provides the source of medicines used In the treatment of

A. gout

B. blood cancer

C. coronary heart disease

D. polio

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The rate of growth of plants can be measured by a/an

A. manometer

B. auxanometer

C. photometer

D. thermometer

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4

Compared to the veins, the walls of arteries are

A. thicker

B. thinner

C. similar

D. very much thinner

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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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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

The country's first 'brain bank' that can store up to 300 human brains has been opened at

A. Alleppey

B. Bengaluru

C. Bhubaneshwar

D. Mumbai

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4

Bordetella pertussis causes

A. tetanus

B. diphtheria

C. whooping cough

D. rabies

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4

The grouping o( blood is based on substances called

A. antibodies

B. antigens

C. antitoxin

D. enzymes

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4

Blood of cockroach is

A. red

B. bluish

C. greenish

D. colourless

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Tse-Tse fly is the vector for

A. malarial parasite

B. try peorosoma

C. piroplasm

D. microfilaria

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4

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

Infection of salivary glands by a virus leads to

A. tetanus

B. mumps

C. pyorrhoea

D. ulcers

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Two tall plants, each being a hybrid and carrying a recessive factor for dwarfness are crossed. What proportion of their offspring will be dwarf?

A. 0.5

B. 0.25

C. 0.75

D. 1

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4

The stones formed in human kidney consist mostly of

A. calcium oxalate

B. sodium acetate

C. magnesium

D. calcium

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4

Late blight of potato is caused by

A. Puccinia

B. Pennisetum

C. Phytophthora

D. Erysiphe

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Most of the enzymes are

A. proteins

B. lipids

C. acids

D. alkalis

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Maize is attacked by

A. Phytophthora

B. Pythium

C. Ustilago

D. Puccinia

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Phenylketonuria is an example of an inborn error of metabolism. Thins error refers to

A. hormonal overproduction

B. atrophy of endocrine glands

C. inherited lack of an enzyme

D. nondisjuction of chromosomes

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4

Darwinism does not explain

A. progression

B. retrogression

C. usefulness of all organs

D. presence of vestigial organs

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The artificial kidney operates on the principle of

A. dialysis

B. diffusion

C. osmosis

D. active transport

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4

The brain is covered by

A. meninges

B. bone

C. skin

D. All the above

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Excess carbohydrates and insufficient proteins in dally diet will lead to

A. Kwashiorkor

B. Night blindness

C. Pernicious anaemia

D. Loss of hair

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The deficiency of Vitamin A which leads to poor vision during night is termed

A. nyctolopia

B. myopia

C. glaucoma

D. colour blindness

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4

The larva of the housefly is called

A. maggot

B. caterpillar

C. grub

D. wriggler

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The association between leguminous plants and bacteria is

A. parasitic

B. saprophytic

C. symbiotic

D. None of the above

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Which organism probably arrived first in the world?

A. Algae

B. Fungi

C. Protozoa

D. None of the above

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4

The rate of heartbeat is accelerated by the hormone

A. adrenaline

B. acetylcholine

C. thyroxine

D. pituitrin

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4

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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4

Dinosaur is a/an

A. Fish

B. Amphibian

C. Reptile

D. Bird

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The germ theory of diseases was put forward by

A. Louis Pasteur

B. Luister

C. Leuwenhoek

D. Flemming