Heredity and Evolution (Class X) CBSE test paper

Heredity and Evolution

(All questions are of 1 mark)

1.      What are fossils?

2.      What is monohybrid cross?]

3.      Give two examples of analogous organs.

4.      What are vestigial organs?

5.      What are dominant genes?

6.      Define the term evolution.

7.      What is scientific name of Human Beings?

8.      What are allosomes?

9.      Write the scientific term used for ‘Science of Heredity and variation’.

10.  Radish and carrot are homologous or analogous structures?

11.  Write the name of different types of possible blood groups?

12.  Define F1 generation.

13.  What will be the sex of the embryo if an egg is fertilized by the sperm having 22+y composition?

14.  What is dihybrid cross?

15.  Define the term progeny.