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12th Bihar Board
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Important Questions on Principles of Inheritance and Variation

HARD
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2020>Q 34
What do you mean by mutation ?
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2020>Q 35
Mendel’s mono hybrid ratio is-
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2020>Q 36
An organism with two identical alleles is said to be
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2020>Q 37
A person suffering from colorblindness can not differentaite between-
MEDIUM
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2020>Q 38

A tall pea plant with yellow seeds (heterozygous for both the traits) is crossed with a dwarf pea plant with green seeds. Using a punnett square work out the cross to show the phenotypes and the genotypes of F2 generations.

 

MEDIUM
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2020>Q 39
Who is considered as ‘father of genetics’ ?
MEDIUM
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2020>Q 40
Mendel proposed-
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2020>Q 41
A cross between F1 hybrid and its homozygous recessive parent is called-