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.…
Read more
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…
Read more
NCERT Exemplar Problems Class 12 Chemistry Chapter 1 Solid State Chapter 2 Solution Chapter 3 Electrochemistry Chapter 4 Chemical Kinetics Chapter 5 Surface Chemistry Chapter 6 General Principles and Processes of Isolation of Elements Chapter 7 The p-Block Elements Chapter 8 The d- and f-Block Elements Chapter 9 Coordination Compounds Chapter 10 Haloalkanes and…
Read more
NCERT Exemplar Problems Class 12 Chemistry Chapter 16 Chemistry in Everyday Life Multiple Choice Questions Single Correct Answer Type Question 1. Which of the following statement is not correct? (a) Some antiseptics can be added to soaps. (b) Dilute solutions of some disinfectants can be used as antiseptic. (c) Disinfectants are antimicrobial drugs. (d) Antiseptic…
Read more
NCERT Exemplar Problems Class 12 Chemistry Chapter 15 Polymers Multiple Choice Questions Single Correct Answer Type Question 1. Which of the following polymers of glucose is stored by animals? (a) Cellulose (b) Amylose (c) Amylopectin (d) Glycogen Solution: (d) Glycogen is a polymer of glucose found in liver, brain and muscles of animals. Cellulose is…
Read more
NCERT Exemplar Problems Class 12 Chemistry Chapter 14 Biomolecules Multiple Choice Questions Single Correct Answer Type Question 1. Glycogen is a branched chain polymer of a-D-glucose units in which chain is formed by C1-C4 glycosidic linkage whereas branching occurs by the formation of C1-C6 glycosidic linkage. Structure of glycogen is similar to (a) amylose (b)…
Read more
NCERT Exemplar Problems Class 12 Chemistry Chapter 13 Amines Multiple Choice Questions Single Correct Answer Type Question 1. Which of the following is a 3° amine? (a) 1 -Methylcyclohexylamine (c) tert-Butylamine Solution: (b) Question 2. The correct IUPAC name for CH2 = CHCH2NHCH3 is (a) allylmethylamine (b) 2-amino-4-pentene (c) 4-aminopent-l-ene . (d) N-methylprop-2-en-l-amine. Solution: Question…
Read more
NCERT Exemplar Problems Class 12 Chemistry Chapter 12 Aldehydes, Ketones and Carboxylic Acids Multiple Choice Questions Single Correct Answer Type Question 1. Addition of water to alkynes occurs in acidic medium and in the presence of Hg2+ ions as a catalyst. Which one of the following product will be formed on addition of water to…
Read more
NCERT Exemplar Problems Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Multiple Choice Questions Single Correct Answer Type Question 1. Monochlorination of toluene in sunlight followed by hydrolysis with aq. NaOH yields. (a) o-Cresol (b) w-Cresol (c) 2, 4-Dihydroxytoluene (d) Benzyl alcohol Solution: (d) Monochlorination of toluene in sunlight gives benzyl chloride. On hydrolysis…
Read more
NCERT Exemplar Problems Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes Multiple Choice Questions Single Correct Answer Type Question 1. The order of reactivity of following alcohols with halogen acids is Solution: (b) The reactivity order of alcohols towards halogen acids is 3° > 2° > 1°, since the stability of carbocations is of the…
Read more