KVPY Stream-SA (Class 11) Biology: Questions 45 - 50 of 304

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Question number: 45

» Structural Organization in Animals and Plants » Plant Tissues - Morphology, Anatomy and Functions » Leaf

Appeared in Year: 2015

MCQ▾

Question

which one of the following is a modified leaf?

Choices

Choice (4) Response

a.

Sweet potato

b.

Ginger

c.

Onion

d.

Carrot

Question number: 46

» Ecology and Environment » Ecosystem » Energy Flow

Appeared in Year: 2015

MCQ▾

Question

Which, among grass, goat, tiger and vulture, in a food chain, will have the maximum concentration of harmful chemicals in its body due to contamination of pesticides in the soil?

Choices

Choice (4) Response

a.

Goat since it eats the grass

b.

Tiger since it feeds on the goat, which feeds on the grass

c.

Vulture since it eats the tiger, which in turn eats the goat, which eats the grass

d.

Grass since it grows in the contaminated soil

Question number: 47

» Diversity in Living World » Five Kingdom Classification » Animal Group - Nonchordata

Appeared in Year: 2015

MCQ▾

Question

In Which one of the following phyla is the body segmented?

Choices

Choice (4) Response

a.

Platyhelminthes

b.

Echinodermata

c.

Porifera

d.

Annelida

Question number: 48

» Genetics and Evolution » Molecular Basis of Inheritance » DNA as Genetic Material

Appeared in Year: 2015

MCQ▾

Question

Considering the average molecular mass of a base to be 500 Da, what is the molecular mass of a double stranded DNA of 10 base pairs?

Choices

Choice (4) Response

a.

500 Da

b.

10 kDa

c.

5 kDa

d.

1 kDa

Question number: 49

» Biology and Human Welfare » Health and Disease

Appeared in Year: 2015

MCQ▾

Question

Excess salt inhibits growth in pickles by

Choices

Choice (4) Response

a.

Denaturation

b.

Exosmosis

c.

Oxidation

d.

Endosmosis

Question number: 50

» Genetics and Evolution » Heredity and Variation » Multiple Alleles and Inheritance of Blood Groups

Appeared in Year: 2015

MCQ▾

Question

A person with blood group AB has-

Choices

Choice (4) Response

a.

antigen A and B on RBCs and both anti-A and anti-B antibodies in plasma

b.

No antigen on RBCs but both anti-A and anti-B antibodies present in plasma

c.

Antigen A and B on RBCs but neither anti-A and anti-B antibodies in plasma

d.

Antigen A on RBCs and antibodies in plasma

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