INTRODUCTION

Question 1

________ is a branch of biology that deals with inheritance and variation of characters from parents to offspring

Answer 1

Genetics

Question 2

Inheritance is the process by which _____________

Answer 2

Characters are passed on from parent to progeny

Question 3

____________ is the basis of heredity

Answer 3

Inheritance

Question 4

Variation is __________

Answer 4

the degree by which progeny differ from their parents

Question 5

Humans knew from as early as ________ that one of the causes of variation was hidden in sexual reproduction

Answer 5

8000-1000 B.C.

Question 6

Early humans exploited variations that were naturally present in wild populations of plants and animals to _____________

Answer 6

selectively breed and select for organisms that possessed desirable characters

Question 7

Through ________ and ________ from ancestral wild cows, we have well-known Indian breeds

Answer 7

Artificial selection, domestication

Question 8

Eg. of a well-known Indian breed of cows

1

Answer 8

Sahiwal cows from Punjab

Question 9

Our ancestors also had an idea about the scientific basis of inheritance and variation

True/false

Answer 9

False

Very little idea