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Biology Questions Answers
Which one of the following enzymes hydrolyses starch into reducing sugars?
Sucrase
Catalase
Maltase
Amylase
Amylase
Seedless fruits are formed due to the influence of
colchicine
sucrose
hormones
pure linolein
hormones
Doctors advise that excess intake of tomatoes, eggs, milk, cabbage, etc. should be avoided in case of persons with kidney stones, bladder stones, etc. to prevent the formation of crystals of
calcium phosphate
calcium oxalate
calcium chloride
calcium sulphate
calcium oxalate
Which one of the following vitamins is known as the "anti-sterile" factor?
Ascorbic acid
α-tocopherols
Retinol
Riboflavin
α-tocopherols
Which one of the following is the correct sequence of passage of food through the given organs?
Esophagus, pharynx, duodenum, stomach
Pharynx, esophagus, duodenum, stomach
Pharynx, esophagus, stomach, duodenum
Esophagus, pharynx, stomach, duodenum
Pharynx, esophagus, stomach, duodenum
Match List I with List II and select the correct answer using the codes given below the Lists:
List I
(a) Enzyme
(b) Vitamin
(c) Protein
(d) Hormone
List II
1. Carotene
2. Keratin
3. Maltase
4. Adrenalin
a-3, b-1, c-2, d-4
a-1, b-3, c-4, d-2
a-1, b-3, c-2, d-4
a-3, b-1, c-4, d-2
a-3, b-1, c-2, d-4
Role of sodium and potassium ions in the body is to maintain the body —
osmotic pressure
uric acid level
glucose balance
pressure
osmotic pressure
The major portion of combustible part of gobar gas is
Methane
Ethane
Ethylene
Acetylene
Methane
Apical dominance in higher plants is due to
photoperiodism
enzymes
carbohydrates
hormones
hormones
Cheese is an example of —
emulsion
foam
gel
sol
gel