Appearance of antibiotic resistant bacteria is an example of:

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 2

Differentiate between linkage and crossing over.

HARD

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2020>Q 3

What is Linkage ? What is its significances ?

EASY

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2018>Q 4

Genes present on the same locus having different expression are called:

EASY

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2018>Q 5

Sickle cell anemia shows:

EASY

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2018>Q 6

The trisomy of ${21}^{\mathrm{st}}$ chromosome causes:

HARD

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2018>Q 7

A normal vision female whose father is colour-blind marries a normal vision male. What would be the probability of her sons daughter to be colour blind?

MEDIUM

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2018>Q 8

A child with blood group O has B blood group type father then the father has Genotype of.

MEDIUM

12th Bihar Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 5 - Principles of Inheritance and Variation>Bihar Board-2018>Q 9

What do you mean by incomplete dominance? Explain with suitable example.