Rajasthan Board RBSE Class 12 Biology Chapter 22 Man-Digestive System RBSE Class 12 Biology Chapter 22 Multiple Choice Questions Question 1. Which part secretes renin? (a) Liver (b) Colon (c) Stomach (d) Rectum Answer: (c) Stomach Question 2. Pancreatic juice is – (a) Acidic (b) Alkaline (c) Neutral (d) None of the above Answer: (b) Alkaline…
Read more
Rajasthan Board RBSE Class 12 Biology Chapter 21 Human Integumentary System RBSE Class 12 Biology Chapter 21 Multiple Choice Questions Question 1. The human skin originate from – (a) Mesoderm (b) Ectoderm (c) Ectoderm and Mesoderm (d) Ectoderm and Endoderm Answer: (c) Ectoderm and Mesoderm Question 2. The outermost layer of skin is stratum – (a)…
Read more
Rajasthan Board RBSE Class 12 Biology Chapter 20 Bioenergy RBSE Class 12 Biology Chapter 20 Multiple Choice Questions Question 1. Example of fossil fuel is? (a) Alcohol (b) Gobar Gas (c) Petrol (d) Hydrogen Answer: (c) Petrol Question 2. Major component gas in Gobar gas is? (a) CO3 and H2 (b) CH2 and H2 (c) CH4…
Read more
Rajasthan Board RBSE Class 12 Biology Chapter 19 Sustainable Agriculture RBSE Class 12 Biology Chapter 19 Multiple Choice Questions Question 1. Alga used as bio fertiliser is? (a) Cladophora (b) Nostoc (c) Spirogyra (d) All of the above Answer: (b) Nostoc Question 2. Root nodules of leguminous plants contain which bacterium – (a) Anabaena (b) Cyanobacteria…
Read more
Rajasthan Board RBSE Class 12 Biology Chapter 18 Oil, Fibres, Spices and Medicine Producing Plants RBSE Class 12 Biology Chapter 18 Multiple Choice Questions Question 1. Which of the following plants does not contain fatty/fixed/oil? (a) Mustard (b) Coconut (c) Rose (d) Sunflower Answer: (c) Rose Question 2. From which plant, both oil and fibres…
Read more
Rajasthan Board RBSE Class 12 Biology Chapter 17 Economic Botany and Human Welfare RBSE Class 12 Biology Chapter 17 Multiple Choice Questions Question 1. Basic or fundamental requirement(s) of human is – (a) Food only (b) Cloth only (c) Shelter and food only (d) All of the above Answer: (d) All of the above Question 2.…
Read more
Rajasthan Board RBSE Class 12 Biology Chapter 16 Plant Tissue Culture RBSE Class 12 Biology Chapter 16 Multiple Choice Questions Question 1. Who is the credited for producing haploid plants from anther lobe culture? (a) Johari and Maheshwari (b) Haberlandt (c) P.R. White (d) Guha and Maheshwari Answer: (d) Guha and Maheshwari Question 2. Disease-free plants…
Read more
Rajasthan Board RBSE Class 12 Biology Chapter 15 Genetic Engineering RBSE Class 12 Biology Chapter 15 Multiple Choice Questions Question 1. Which of the following enzyme cut DNA at a specific site? (a) Ligase (b) Polymerase (c) Restriction Endonuclease (d) All of the above Answer: (c) Restriction Endonuclease Question 2. Restriction endonuclease enzyme is found naturally…
Read more
Rajasthan Board RBSE Class 12 Biology Chapter 14 Biotechnology: General Introduction RBSE Class 12 Biology Chapter 14 Multiple Choice Questions Question 1. Which of the following is not an example of Traditional Biotechnology? (a) Formation of curd and cheese from milk (b) Formation of vinegar from sugarcane juice (c) Medicine production by rDNA technology (d) Production…
Read more
Rajasthan Board RBSE Class 12 Biology Chapter 13 Plant Growth RBSE Class 12 Biology Chapter 13 Multiple Choice Questions Question 1. Which plant hormone was first of all discovered? (a) Auxin (b) Gibberellin (c) Ethylene (d) Cytokinin Answer: (a) Auxin Question 2. Which hormone is sprayed on rosette plant of Cauliflower to convert it into a…
Read more