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Current Affairs January 2024

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Blood clot Inside blood vessels is prevented by

A. heparin

B. fibrinogen

C. thrombin

D. prothrombin

Correct Answer :

A. heparin


Related Questions

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Nucleus was first discovered by

A. Porter

B. Robert Brown

C. Palade

D. None of these

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Which of the following diseases is water borne?

A. Cholera

B. Malaria

C. Filiariasis

D. None of the above

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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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Polyploid wheat does not normally show an increase in

A. size

B. vigour

C. length of the life cycle

D. resistance to desease

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The dreaded virus which, on reaching the central nervous system, produces spasms of the muscles of the throat and the cheat while swallowing, and is sure to kill the patient is

A. Poliomyelitis virus

B. AIDS virus

C. Smallpox virus

D. Rabies virus

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4

Bats can fly in the dark because

A. they have a better vision in the dark

B. the light startles them

C. they produce high pitched sounds called ultrasonics

D. None of the above

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Spiders can take only

A. solid food

B. liquid food

C. plant juice

D. flesh of dead animals

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What is the colour of the outer portion of the spinal cord?

A. gray

B. brown

C. white

D. yellow

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Desert plants are called

A. Xerophytes

B. Bryophytes

C. Pteridophytes

D. Halophytes

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The metallic part in haemoglobin is

A. Copper

B. Molybdenum

C. Nickel

D. Iron

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Rate of mutation can be increased in plants by

A. More manure

B. More pesticides

C. X-ray

D. More light

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It is possible to produce seedless tomato fruits by

A. applying trace elements in tomato fields

B. spraying mineral solution on plants

C. spraying harmones on flowers

D. applying fertilizers containing radioactive elements

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4

Dialysis is used when there is a failure of

A. heart

B. lungs

C. liver

D. kidneys

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Vessels leaving the heart are

A. veins

B. arteries

C. capillaries

D. lymph ducts

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Which among, the following is a solid lubricant?

A. carbohydrate

B. graphite

C. protein

D. starch

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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

Which one is called anti-haemorrhagic vitamin?

A. A

B. C

C. E

D. K

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The stones formed in human kidney consist mostly of

A. calcium oxalate

B. sodium acetate

C. magnesium

D. calcium

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Maintenance of pregency is under the control of

A. Follicular stimulating hormone

B. Growth hormone

C. Estrogen

D. Progesterone

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The valve between the right auricle and right ventricle is called

A. Tricuspid

B. Bicuspid

C. Monocuspid

D. Semilunar

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4

What do you mean by the term fauna?

A. plant kingdom

B. animal kingdom

C. both plant and animal kingdoms

D. A part of plant kingdom

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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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Nephrons are found inside

A. Liver

B. Lung

C. Brain

D. Kidneys

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The hormones are carried to target organs through the

A. blood

B. lymph

C. water

D. corpuscles

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The plant cells are surrounded rigidly by

A. plasmalemma

B. cell membrane

C. cell wall

D. plasma membrane

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Accepted theory for the origin of life is

A. Cosmozoic theory

B. Biogenesis

C. Abiogenesis

D. Oparin's theory

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Waldeyer gave the name

A. microsome

B. chromosome

C. ribosome

D. lysosome

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The cortex of human brain normally consists of

A. five billion, two hundred million cells

B. nine billion, two hundred million cells

C. six billion, two hundred million cells

D. eight billion, two hundred million cells

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The bone cells are connected with each other by

A. Haversian canal

B. canaliculi

C. capillaries

D. matrix

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The medulla oblongata encloses the

A. optic lobe

B. optic capsule

C. second ventricle

D. fourth ventricle