# NCERT Solutions Class 12 Biology Chapter 5 Principles of Inheritance and Variation

## Chapter 5 Principles of Inheritance and Variation Class 12 NCERT Solutions

Class 12 Biology students should refer to the following NCERT questions with answers for Chapter 5 Principles of Inheritance and Variation in standard 12. These NCERT Solutions with answers for Grade 12 Biology will come in exams and help you to score good marks

### Chapter 5 Principles of Inheritance and Variation NCERT Solutions Class 12

NCERT Solutions Class 12 Biology Chapter 5 Principles of Inheritance and Variation. The NCERT solutions for Class 11 Mathematics have been made by Mathematics teacher of one of the best CBSE school in India. These NCERT solutions have been made to give detailed answers and expanations of the concepts as per NCERT which can be easily understood by the students. Refer to other links also to download mathematics NCERT solutions, worksheets, sample papers and Exemplar Solutions.

Class 12 Biology

NCERT Solutions

Chapter 5 Principles of Inheritance and

Variation

Question 1: Mention the advantages of selecting pea plant for experiment by Mendel.

Answer Mendel selected pea plants to carry out his study on the inheritance of characters from parents to offspring. He selected a pea plant because of the following features.

(a) Peas have many visible contrasting characters such as tall/dwarf plants, round/wrinkled seeds, green/yellow pod, purple/white flowers, etc.

(b) Peas have bisexual flowers and therefore undergo self pollination easily. Thus, pea plants produce offspring’s with same traits generation after generation.

(c) In pea plants, cross pollination can be easily achieved by emasculation in which the stamen of the flower is removed without affecting the pistil.

(d) Pea plants have a short life span and produce many seeds in one generation.

Question 2: Differentiate between the following −

(a) Dominance and Recessive

(b) Homozygous and Heterozygous

(c) Monohybrid and Dihybrid.

Answer(a) Dominance and Recessive

Please click the link below to download NCERT Solutions Class 12 Biology Chapter 5 Principles of Inheritance and Variation.

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Click for more Biology Study Material
 NCERT Solutions Class 12 Biology Chapter 1 Reproduction in Organisms
 NCERT Solutions Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants
 NCERT Solutions Class 12 Biology Chapter 3 Human Reproduction
 NCERT Solutions Class 12 Biology Chapter 4 Reproductive Health
 NCERT Solutions Class 12 Biology Chapter 5 Principles of Inheritance and Variation
 NCERT Solutions Class 12 Biology Chapter 6 Molecular Basis of Inheritance
 NCERT Solutions Class 12 Biology Chapter 7 Evolution
 NCERT Solutions Class 12 Biology Chapter 8 Human Health and Disease
 NCERT Solutions Class 12 Biology Chapter 9 Strategies for Enhancement in Food Production
 NCERT Solutions Class 12 Biology Chapter 10 Microbes in Human Welfare
 NCERT Solutions Class 12 Biology Chapter 11 Biotechnology Principles And Processes
 NCERT Solutions Class 12 Biology Chapter 12 Biotechnology and its Applications
 NCERT Solutions Class 12 Biology Chapter 13 Organisms and Populations
 NCERT Solutions Class 12 Biology Chapter 14 Ecosystem
 NCERT Solutions Class 12 Biology Chapter 15 Biodiversity and Conservation
 NCERT Solutions Class 12 Biology Chapter 16 Environmental Issues

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