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Current Affairs January 2024

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From the end of the Triassic to the cretaceous period the earth was ruled by

A. eurypterids

B. cotylosaurs

C. dinosaurs

D. mammals

Correct Answer :

C. dinosaurs


Related Questions

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Malnutrition is due to

A. undernourishment

B. want of balanced diet

C. overfeeding

D. All the above

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4

Ecology of a population is known as

A. demecology

B. synecology

C. autecology

D. space ecology

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4

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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A plant cell is distinguishable from an animal cell by the presence of

A. nucleus

B. cell wall

C. chloroplasts

D. cell membrane

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4

Rh+ blood is due to genes which are

A. dominant

B. recessive

C. codominant

D. neutral

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4

The country where commercial production of cultured pearls is undertaken on large scale is

A. India

B. Mexico

C. Netherlands

D. Japan

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Dr Khorana's work relates to

A. synthesis of simple DNA

B. genetic code

C. reduction of mutation

D. synthesis of RNA from bacterial cell

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4

Which one of the following seeds can benefit a patient of diabetes mellitus by normalising his blood sugar level?

A. Coriander seeds

B. Fenugreek seeds

C. Cumin seeds

D. Mustard seeds

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4

The term 'Fauna' means

A. plant kingdom

B. animal kingdom

C. neither

D. Both

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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

The ultimate substances to which the carbohydrates are degraded are

A. amino acid

B. glycerol

C. glucose

D. maltose

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4

Necrosis is a symptom which is recognised by

A. pattern colouration on leaves

B. little leaves

C. out growth

D. death of tissues

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The pathogenic organisms of an infected person are destroyed by the action of

A. erythrocytes

B. leucocytes

C. blood platelets

D. all of these

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4

1 gm of carbohydrate gives energy which is about

A. 3 k cal

B. 2 k cal

C. 4.2 k cal

D. 8.1 k cal

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4

Typhoid is a disease caused by

A. virus

B. bactena

C. fungus

D. animal

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4

Saliva flows at the sight of food. This action is

A. involuntary

B. voluntary

C. a reflex

D. causative

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Sleeping sickness in man is caused by the organism

A. plasmodium

B. entamoeba

C. giardia

D. trypanosome

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Whooping cough is caused by

A. Salmonella

B. Bacillus pertussis

C. Variola

D. Vibriona

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4

The Green Revolution in India owes much to

A. MS Swaminathan

B. TS Venkataraman

C. Norman Borlaug

D. Prime Minister

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4

The blood of cockroach shows the following characteristics except one. Mark it.

A. It serves to distribute nutrient directly to every part of the body

B. It contains several kinds of corpuscles without haemoglobin

C. It collects metabolic wastes

D. It carries oxygen

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4

Which organism probably arrived first in the world?

A. Algae

B. Fungi

C. Protozoa

D. None of the above

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4

Which of the following diseases is caused by the deficiency of iron in human body?

A. Anaemia

B. Scurvy

C. Dermatosis

D. None of these

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4

In movable joints the tips of the bones are covered with

A. hyaline cartilage

B. calcified cartilage

C. elastic cartilage

D. fibrous cartilage

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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

The pigment which is responsible for blood clotting is

A. Fibrinogen

B. Haemoglobin

C. Glucose

D. Blood cells

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4

Tetrodotoxin is a potent poison that

A. erodes blood vessels

B. blocks conduction of nerve impulses causing respiratory paralysis

C. produces damage to the kidneys

D. produces intestinal bleeding

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Blood clotting requires vitamin

A. A

B. B

C. C

D. K

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4

Evergreen forests are confined to

A. Equatorial region

B. Temperate region

C. Alpine region

D. Arctic region

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4

Pearl is secreted by the __________ of the pearl oyster.

A. foot

B. mantle

C. gills

D. None of these

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The cavities of the brain are filled with

A. Blood

B. Lymph

C. Water

D. Cerebrospinal fluid