1)

Heredity And Evolution Class 10 MCQ Question 1. Process of selecting individuals with desired characters by man is called

Class 10 Biology

A)

Hybridization

B)

Reproduction

C)

Artificial selection

D)

Natural selection

2)

Which one of the following pairs are homologous organs?

Class 10 Biology

A)

Forelimbs of a bird and wings of a bat.

B)

Wings of a bird and wings of a butterfly.

C)

Pectoral fins of a fish and forelimbs of a horse.

D)

Wings of a bat and wings of a cockroach.

3)

The theory of evolution of species by natural selection was given by

Class 10 Biology

A)

Mendel

B)

Darwin

C)

Lamarck

D)

Weismann

4)

The number of pairs of sex chromosomes in the zygote of a human being is

Class 10 Biology

A)

1

B)

2

C)

3

D)

4

E)

5

5)

 A zygote which has an X-chromosome inherited from the father will develop into a

Class 10 Biology

A)

Girl

B)

Boy

C)

either boy or girl

D)

X-chromosome does not influence the sex of a child.

6)

A man with blood group A marries a woman having blood group O. What will be the blood group of the child?

Class 10 Biology

A)

O only

B)

A only

C)

AB

D)

Equal chance of acquiring blood group A or blood group O.

7)

What does the progeny of a tall plant with round seeds and a short plant with wrinkled seeds look like?

Class 10 Biology

A)

All are tall with round seeds.

B)

All are short with round seeds.

C)

All are tall with wrinkled seeds.

D)

All are short with wrinkled seeds.

8)

The human species has genetic roots in

Class 10 Biology

A)

Australia

B)

Africa

C)

America

D)

Indonesia

9)

Which of the following is the ancestor of ‘Broccoli’?

Class 10 Biology

A)

Cabbage

B)

Cauliflower

C)

Wild cabbage

D)

Kale

10)

The process of evolution of a species whereby characteristics which help individual organisms to survive and reproduce are passed on to their offspring and those characteristics which do not help are not passed on is called

Class 10 Biology

A)

Artificial selection

B)

Speciation

C)

Hybridization

D)

Natural selection