KVPY Stream-SA (Class 11) Biology: Questions 223 - 229 of 304

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Question number: 223

» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples

MCQ▾

Question

Chasmogamous and cleistogamous type of flower are found in: -

Choices

Choice (4) Response
a.

Primrose

b.

Calotropis

c.

Commelina

d.

Ficus religiosa

Question number: 224

» Plant Physiology » Plant Growth and Development » Seed Dormancy

MCQ▾

Question

Which hormone can break dormancy of seed –?

Choices

Choice (4) Response
a.

Coumarin

b.

ABA

c.

GA

d.

Auxin

Question number: 225

» Human Physiology » Digestion and Absorption » Role of Digestive Enzymes and Gastrointestinal Hormones

MCQ▾

Question

Cholecystokinin is a secretion of

Choices

Choice (4) Response
a.

Liver synthesized from cholesterol and controls secondary sexual characters.

b.

Goblet cells of ileum and stimulates the secretion of succus entericus.

c.

Stomach which stimulates pancreas to release the pancreatic juice.

d.

Duodenum and makes the gall bladder to contract and release bile.

Question number: 226

» Human Physiology » Digestion and Absorption » Role of Digestive Enzymes and Gastrointestinal Hormones

MCQ▾

Question

The enzyme added to the starch solution may have been

Choices

Choice (4) Response
a.

Amylase

b.

Invertase

c.

Lipase

d.

Maltase

Question number: 227

» Human Physiology » Digestion and Absorption » Role of Digestive Enzymes and Gastrointestinal Hormones

MCQ▾

Question

Which of the following statement is correct?

Choices

Choice (4) Response
a.

Secretin is a hormone and hence it does not play any role in digestion.

b.

Though secretin is an enzyme, it is not involved in digestion.

c.

Secretin is an enzyme and so it helps in digestion.

d.

Secretin is a hormone but it plays a role in digestion.

Question number: 228

» Human Physiology » Digestion and Absorption » Role of Digestive Enzymes and Gastrointestinal Hormones

MCQ▾

Question

Which of these is not an enzyme of digestive system?

Choices

Choice (4) Response
a.

Enterokinase

b.

Amylase

c.

Trypsin

d.

Enterogastrone

Question number: 229

» Human Physiology » Body Fluids and Circulation » Human Circulatory System-Structure of Human Heart and Blood Vessels

MCQ▾

Question

During diastole

Choices

Choice (4) Response
a.

Blood leaves the ventricle.

b.

Blood enters lungs.

c.

Blood leaves the heart.

d.

Blood enters the heart.

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