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 are … 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 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 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
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 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 11 Respiration RBSE Class 12 Biology Chapter 11 Multiple Choice Questions Question 1. What is the site of the Krebs cycle in cells? (a) Nucleus (b) Cytoplasm (c) Plastids (d) Mitochondria Answer: (d) Mitochondria Question 2. How many ATP are formed as a net gain in anaerobic respiration? (a) … 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 12 Nitrogen Metabolism and Nitrogen Cycle RBSE Class 12 Biology Chapter 12 Multiple Choice Questions Question 1. In the root nodules of leguminous plants, the pigment, necessary for nitrogen fixation is? (a) Haemoglobin (b) Leghaemoglobin (c) Chlorophyll (d) Xanthophyll Answer: (b) Leghaemoglobin Question 2. The element, required for the … Read more
Rajasthan Board RBSE Class 12 Biology Chapter 10 Photosynthesis RBSE Class 12 Biology Chapter 10 Multiple Choice Questions Question 1. Which metal element is found in the centre of the chlorophyll molecule? (a) Fe (b) Mg (c) Ne (d) Cu Answer: (b) Mg Question 2. PS-II is related to – (a) Photolysis of water (b) Reduction … Read more