Class 12 Biology NCERT Solutions Chapter 7 Evolution
NCERT Biology Chapter 7 Evolution Solved Textbook Questions 1. Explain antibiotic resistance observed in bacteria in light of Darwinian selection …
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Class 12 Biology NCERT Solutions Chapter 6 Molecular Basis of Inheritance
NCERT Biology Chapter 6 Molecular Basis of Inheritance Solved Textbook Questions 1. Group the following as nitrogenous bases and nucleosides:Adenine, …
Class 12 Biology NCERT Solutions Chapter 5 Principles of Inheritance and Variation
NCERT Biology Chapter 5 Principles of Inheritance and Variation Solved Textbook Questions 1. Mention the advantages of selecting pea plant …
Class 12 Biology NCERT Solutions Chapter 4 Reproductive Health
NCERT Biology Chapter 4 Reproductive Health Solved Textbook Questions 1. What do you think is the significance of reproductive health …
Class 12 Biology NCERT Solutions Chapter 3 Human Reproduction
NCERT Biology Chapter 3 Human Reproduction Solved Textbook Questions 1.Fill in the blanks:(a) Humans reproduce _ (asexually/sexually)(b) Humans are _ …
Class 12 Biology NCERT Solutions Chapter 2 Sexual Reproduction in Flowering Plants
NCERT Biology Chapter 2 Sexual Reproduction in Flowering Plants Solved Textbook Questions 1. Name the parts of an angiosperm flower …
Class 12 Biology Chapter 1 Reproduction in Organisms NCERT Solutions
NCERT Biology Chapter 1 Reproduction in Organisms Solved Textbook Questions 1. Why is reproduction essential for organisms? Ans: Reproduction refers …
Chapter 15 Polymers CBSE Class 12 Chemistry Notes
Chapter 15 Polymers Class 12 Chemistry Notes For CBSE Students 15.1 What are polymers? Ans: The word polymer has a …
Chapter 14 Biomolecules CBSE Class 12 Chemistry Notes
Chapter 14 Biomolecules Class 12 Chemistry Notes For CBSE Students 14.1 Glucose or sucrose are soluble in water but cyclohexane …
CBSE Class 12 Chemistry Notes Chapter 13 Amines
Chapter 13 Amines Class 12 Chemistry Notes 13.1 Classify the following amines as primary, secondary or tertiary: Ans: (i) Primary(ii) Tertiary(iii) Primary(iv) Secondary 13.2 …