Biology Solutions

NCERT Solutions for Class 12 Biology Chapter Wise Update

Detailed, Step-by-Step NCERT Solutions for Class 12 Textbook Questions and Answers of Biology were solved by Expert Teachers as per NCERT (CBSE) Book guidelines covering each topic in chapter to ensure complete preparation. NCERT Solutions for Class 12 Biology Chapter 1 Reproduction in Organisms Chapter 2 Sexual Reproduction in Flowering Plants Chapter 3 Human Reproduction …

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NCERT Solutions for Class 12 Biology Chapter 1 Reproduction in Organisms

Q1. Why is reproduction essential for organisms? Solution:- An organism gives rise to young ones by reproduction. The offspring grow, mature, and in turn, produce new offspring. Thus, there is a cycle of birth, growth, and death. Reproduction enables the continuity of the species, generation after generation. So, therefore reproduction is essential. Q2. Which Is …

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NCERT Solutions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants

Page No: 40 Q1. Name the parts of an angiosperm flower in which development of male and female gametophyte take place. Answer:- The development of male gametophyte takes place in pollen sac of the anther and of female gametophyte takes place in the nucellus of ovule in an angiosperm flower. Q2. Differentiate between microsporogenesis and …

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NCERT Solutions for Class 12 Biology Chapter 3 Human Reproduction

Page No: 55 Exercises Q1. Fill in the blanks: (a) Humans reproduce _ (asexually/sexually) Answer:- sexually (b) Humans are _ (oviparous, viviparous, ovoviviparous) Answer:- viviparous (c) Fertilisation is _ in humans (external/internal) Answer:- internal (d) Male and female gametes are _ (diploid/haploid) Answer:- haploid (e) Zygote is _ (diploid/haploid) Answer:- diploid (f) The process of …

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NCERT Solutions for Class 12 Biology Chapter 4 Reproductive Health

Page No: 66 Exercises Q1. What do you think is the significance of reproductive health in a society? Answer:- Reproductive health refers to healthy reproductive organs with normal functions also it includes physical, emotional, behavioural, and social aspects of reproduction. It helps in preventing various sexually transmitted diseases, AIDS, etc., especially those in the adolescent …

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

NCERT Solutions for Class 12 Science Biology Chapter 5 Principles Of Inheritance And Variation are provided here with simple step-by-step explanations. These solutions for Principles Of Inheritance And Variation are extremely popular among Class 12 Science students for Biology Principles Of Inheritance And Variation Solutions come handy for quickly completing your homework and preparing for …

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NCERT Solutions for Class 12th: Chapter 6 Molecular Basis of Inheritance Biology

Exercises Page No: 125 Q1. Group the following as nitrogenous bases and nucleosides:Adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine. Answer:- Nitrogenous bases are Adenine, Thymine and Uracil.Nucleosides are Cytidine, Guanosine and Cytosine. Q2. If a double-stranded DNA has 20 percent of cytosine, calculate the percentage of adenine in DNA. Answer:-The percent of cytosine = 20 …

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NCERT Solutions for Class 12 Science Biology Chapter 8 – Human Health And Disease

NCERT Solutions for Class 12 Science Biology Chapter 8 Human Health And Disease are provided here with simple step-by-step explanations. These solutions for Human Health And Disease are extremely popular among Class 12 Science students for Biology Human Health And Disease Solutions come handy for quickly completing your homework and preparing for exams. All questions …

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NCERT Solutions Class 12 Biology Chapter 9: Strategies for Enhancement in Food Production

Q1. Explain in brief the role of animal husbandry in human welfare. Answer:- Animal husbandry deals with the scientific management of livestock. It includes various aspects such as feeding, breeding, and control diseases to raise the population of animal livestock. Animal husbandry usually includes animals such as cattle, pig, sheep, poultry, and fish which are …

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