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4

Hie enzyme invertase converts

A. starch into glucose

B. glucose into sucrose

C. cellulose into starch

D. sucrose into glucose and fructose

Correct Answer :

D. sucrose into glucose and fructose


Related Questions

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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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Deficiency of Vitamin D in children causes

A. beri-beri

B. pelagra

C. rickets

D. osteomalacia

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4

Chitin is a

A. protein

B. carbohydrate

C. mineral

D. fat

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Synthesis of vitamin A takes place in

A. blood

B. spleen

C. pancreas

D. liver

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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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The enzyme which acts neither in acidic nor in alkaline medium is

A. steapsin

B. ptyalin

C. pepsin

D. trypsin

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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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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

Ascorbic acid is

A. vitamin A

B. vitamin C

C. vitamin B

D. biotin

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Which is the best source of vitamin B^1?

A. Cod liver oil

B. Egg

C. Whole wheat bread

D. Curd

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Certain B vitamins act as

A. enzymes

B. coenzymes

C. hormones

D. digestive substance

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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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Vitamin B is related with

A. FMN/FAD

B. NAD

C. NADH

D. ATP

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4

Amylase digests starch

A. in duodenum in alkaline medium

B. in duodenum in acidic medium

C. in stomach in alkaline medium

D. in stomach in acidic medium

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4

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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Scurvy is caused due to dificiency of

A. vitamin C

B. vitamin D

C. vitamin K

D. vitamin A

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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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The deficiency of vitamin 'C' causes

A. anaemia

B. scurvy

C. rickets

D. xerophthalmia

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4

Chronic alcoholics are always short of

A. A

B. B

C. C

D. D

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Trypsin is secreted by

A. stomach

B. pancreas

C. liver

D. duodenum

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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

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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4

A vitamin which is excreted in urine usually is

A. C

B. K

C. Bi

D. E

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4

The enzymes found in the stomach of rabbit are

A. renin, pepsin, lipase

B. lipase, amylase, renin

C. erepsin, lipase, renin

D. pepsin, amylase, lipase

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4

Deficiency of vitamin A causes

A. scurvy

B. rickets

C. xerophthalmia

D. xerophthalmia and nyctalopia

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4

The best source of vitamin A is

A. apples

B. carrots

C. honey

D. pea nuts

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4

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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4

Substance required to overcome xerophthalmia derived from carrots is

A. vitamin A

B. vitamin D

C. proteins

D. xanthophyll

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4

Hie enzyme invertase converts

A. starch into glucose

B. glucose into sucrose

C. cellulose into starch

D. sucrose into glucose and fructose

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4

Calciferol is

A. vitamin A

B. vitamin B

C. vitamin C

D. vitamin D