NCERT Solutions for Class 10 Science Chapter 9
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Chapter 9 Heredity and evolution of Unit II World of Living, NCERT Grade 10 depicts about the variations that are visible in different individuals. The solutions provided for different exercises in this chapter will provide the learner with a further overview of Heredity and Evolution.The simple and comprehensible solutions will help the learners to understand the theoretical and practical aspects of topics such as Accumulation Of Variation During Reproduction, Heredity, Inherited Traits, Rules for the Inheritance of Traits –Mendel’s Contributions, How do these Traits get Expressed, and Sex Determination.
The step by step explanations of different topics such as Evolution including An Illustration and Acquired and Inherited Traits will further help the students to understand the facts about the inbuilt tendency to variation during reproduction because of errors in DNA copying.Similarly, as one proceeds further through chapter 9, Heredity and Evolution, an important topic called Speciation will be taught. The solutions given for the questions asked for this topic will make the learner understand how microevolution simply changes the common characteristics of a particular species. Moving ahead, topics such as Evolution and Classification, Tracing Evolutionary Relationships, Fossils, Evolution by Stages will be learnt. The guided solutions provided for these topics will help the students to learn about the different theories of how evolution must have happened.
The solutions provided for the topics such As Evolution Should Not Be Equated With ‘Progress’ and Human Evolution will help the students to understand and correlate in a better way.The answers provided for the questions at the end of the chapter further act as a guide and help the learners to understand the concept of the complete chapter.This chapter is a part of Unit II, World of Living and holds a weightage of 23marks in the final examination of Grade 10 according to the latest pattern.Get 100 percent accurate NCERT Solutions for Class 10 Science Chapter 9 (Heredity and Evolution) explained by expert Science teachers. We provide step by step solutions for the questions given in Class 10 Science textbook as per CBSE Board guidelines from the latest NCERT book for Class 10 Science. The topics and sub-topics in Chapter 9 Heredity and Evolution are given below.
Ex 9.1 - ACCUMULATION OF VARIATION DURING REPRODUCTION
Ex 9.2 - HEREDITY
Ex 9.2.1 - Inherited Traits
Ex 9.2.2 - Rules for the Inheritance of Traits – Mendel’s Contributions
Ex 9.2.3 - How do these Traits get Expressed?
Ex 9.2.4 - Sex Determination
Ex 9.3 - EVOLUTION
Ex 9.3.1 - An Illustration
Ex 9.3.2 - Acquired and Inherited Traits
Ex 9.4 - SPECIATION
Ex 9.5 - EVOLUTION AND CLASSIFICATION
Ex 9.5.1 - Tracing Evolutionary Relationships
Ex 9.5.2 - Fossils
Ex 9.5.3 - Evolution by Stages
Ex 9.6 - EVOLUTION SHOULD NOT BE EQUATED WITH ‘PROGRESS’
Ex 9.6.1 - Human Evolution.
We cover all exercises in the chapter given below:-
EXERCISE 9.1 - 2 Questions with Solutions
EXERCISE 9.2 - 4 Questions with Solutions
EXERCISE 9.3 - 3 Questions with Solutions
EXERCISE 9.4 - 3 Questions with Solutions
EXERCISE 9.5 - 3 Questions with Solutions
EXERCISE 9.6 - 2 Questions with Solutions
EXERCISE 9.7 - 12 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Heredity and Evolution. Download the free PDF of Chapter 9 Heredity and Evolution and take the print out to keep it handy for your exam preparation.