NCERT Exemplar Class 12 Biology Chapter 10 Microbes in Human Welfare Multiple Choice Questions Single Correct Answer Type 1. The vitamin whose content increases following the conversion of milk into curd by lactic acid bacteria is (a) Vitamin C (b) Vitamin D (c) Vitamin B12 (d) Vitamin E Answer. (c) The vitamin B12 content increases…
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NCERT Exemplar Class 12 Biology Chapter 9 Strategies for Enhancement in Food Production Multiple Choice Questions Single Correct Answer Type 1. The chances of contacting bird flu from a properly cooked (above 100°C) chicken and egg are (a) Very high (b) High (c) Moderate (d) None Answer. (d) Properly cooked (above 100°C) chicken and egg…
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NCERT Exemplar Class 12 Biology Chapter 8 Human Health and Diseases Multiple Choice Questions Single Correct Answer Type 1. The term ‘Health’ is defined in many ways. The most accurate definition of the health would be (a) Health is the state of body and mind in a balanced condition (b) Health is the reflection of…
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NCERT Exemplar Class 12 Biology Chaper 7 Evolution Multiple Choice Questions Single Correct Answer Type 1. Which of the following is used as an atmospheric pollution indicator? (a) Lepidoptera (b) Lichens (c) Lycopersicon (d) Lycopodium Answer. (b) Lichens are sensitive to SO2 pollution. Lichens are very good pollution indicators, they do not grow in polluted…
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NCERT Exemplar Class 12 Biology Chapter 6 Molecular Basis of Inheritance Multiple Choice Questions Single Correct Answer Type 1. In a DNA strand the nucleotides are linked together by (a) Glycosidic bonds (b) Phosphodiester bonds (c) Peptide bonds (d) Hydrogen bonds Answer. (b) In a DNA strand the nucleotides are linked together by Phosphodiester bonds.…
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Biology NCERT Chapter 5 – Principles of Inheritance and Variation 1. Mention the advantages of selecting a pea plant for the experiment by Mendel. Solution: Gregor Mendel demonstrated characters of inheritance acquired by offspring from parents. He selected a pea plant for this experiment for the following reasons: Peas exhibit several visible contrasting features, such…
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NCERT Exemplar Problems Class 12 Biology Chapter 4 Reproductive Health Multiple Choice Questions Single Correct Answer Type 1. The method of directly injecting a sperm into ovum is assisted by reproductive technology called (a) GIFT (b) ZIFT (c) ICSI (d) ET Answer. (c) Intra cytoplasmic sperm injection (ICSI) is a method in which embryo is…
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NCERT Exemplar Class 12 Biology Chapter 3 Human Reproduction Multiple Choice Questions Single Correct Answer Type Question.1. Choose the incorrect statement from the following: (a) In birds and mammals internal fertilisation takes place. (b) Colostrum contains antibodies and nutrients. (c) Polyspermy in mammals is prevented by the chemical changes in the egg surface. (d) In…
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Access NCERT Exemplar Solutions for Class 12 Biology Chapter 2 MULTIPLE CHOICE QUESTIONS 1. Among the terms listed below, those that are not technically correct names for a floral whorl are: i. Androecium ii. Carpel iii. Corolla iv. Sepal (a) i and iv, (b) iii and iv (c) ii and iv (d) i and ii.…
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NCERT Exemplar Class 12 Biology Chapter 1 Reproduction in Organisms Multiple Choice Questions Single Correct Answer Type 1. A few statements describing certain features of reproduction are given below i. Gametic fusion takes place ii. Transfer of genetic material takes place iii. Reduction division takes place iv. Progeny have some resemblance with parents Select the…
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