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4

Deficiency of vitamin K may lead to

A. failure of clotting of blood

B. non-maturation of ova

C. blastocyst formation in uterus

D. neuritis

Correct Answer :

A. failure of clotting of blood


Related Questions

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Vitamin A was discovered by

A. Mc. Collum and Devis

B. Richert and Dam

C. Funk

D. Ejikmann Christian

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Excessive reabsorption of vitamin A by bone leads to

A. keratomalacia

B. hypercalcaemia

C. hyperkeratosis

D. beri beri

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4

The enzymes have porteinous and prosthetic groups connected by loose bonds. Under activity the loose bonds are separated. It is known as

A. diakinesis

B. synapsis

C. dialysis

D. histolysis

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4

Xerophthalmia in children and Nyctalopia (night blindness) in adults is caused by deficiency of vitamin

A. A

B. D

C. E

D. K

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Bile helps in

A. producing enzymes

B. esterification

C. both (a) and (b)

D. emulsification of fats

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Ascorbic acid is

A. vitamin A

B. vitamin C

C. vitamin B

D. biotin

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Fat soluble vitamins are

A. A, D and E

B. B, C and D

C. E, D and B

D. A, B and C

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Calciferol is

A. vitamin A

B. vitamin B

C. vitamin C

D. vitamin D

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Deficiency of Vitamin D in children causes

A. beri-beri

B. pelagra

C. rickets

D. osteomalacia

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Water-soluble vitamins are

A. A, B and C

B. C and D

C. B and C

D. None of these

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The enzymes responsible for the digestion of starch in food of man are present in

A. saliva and gastric juice

B. salvia and pancreatic juice

C. gastric and pancreatic juice

D. gastric and duodenal juice

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4

Which of the following is not an attribute of an enzyme?

A. It is a protein whose synthesis is controlled and directed by a specific gene

B. It catalyses a specific chemical reaction

C. It becomes denatured by high temperature

D. It is consumed in a chemical reaction

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4

Trypsin is secreted by

A. stomach

B. pancreas

C. liver

D. duodenum

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Wound healing is enhanced by vitamin

A. A

B. C

C. D

D. E

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Rickets in children and osteomalacia in adults is caused by the deficiency of

A. vitamin A

B. vitamin B

C. vitamin C

D. vitamin D

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Vitamins are

A. inorganic substances that cannot be synthesised by animal

B. inorganic substances that can be synthesised by animal

C. organic substances that cannot be synthesised by animal

D. organic substances that can be synthesised by animal

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The antihaemorrhagic vitamin is essential for coagulation of blood. It is

A. B

B. D

C. E

D. K

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Deficiency of vitamin A causes

A. scurvy

B. rickets

C. xerophthalmia

D. xerophthalmia and nyctalopia

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Synthesis of vitamin A takes place in

A. blood

B. spleen

C. pancreas

D. liver

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Deficiency of thiamine causes

A. scurvy

B. pellagra

C. osteomalacia

D. beri beri

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The best source of vitamin A is

A. apples

B. carrots

C. honey

D. pea nuts

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4

Deficiency of vitamin K may lead to

A. failure of clotting of blood

B. non-maturation of ova

C. blastocyst formation in uterus

D. neuritis

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4

Chronic alcoholics are always short of

A. A

B. B

C. C

D. D

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4

Trypsin acts in a medium which is

A. neutral

B. highly alkaline

C. acidic

D. slightly alkaline

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Chitin is a

A. protein

B. carbohydrate

C. mineral

D. fat

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The deficiency of vitamin 'C' causes

A. anaemia

B. scurvy

C. rickets

D. xerophthalmia

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4

In liver the stationary cells lining the blood capillaries act as phagocytes to ingest foreign germs and worn out RBC. These cells are called

A. goblet cells

B. oxyntic cells

C. lymphocytes

D. kupffer cells

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4

Pellagra is caused by the deficiency of

A. thiamine

B. ascorbic acid

C. nicotinic acid (Niacin)

D. calciferol

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4

Substance required to overcome xerophthalmia derived from carrots is

A. vitamin A

B. vitamin D

C. proteins

D. xanthophyll

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Scurvy is caused due to dificiency of

A. vitamin C

B. vitamin D

C. vitamin K

D. vitamin A