Category: Class 12 Biology Solutions

Rajasthan Board Books

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Rajasthan Board RBSE Class 12 Biology Chapter 42 Bio-Medical Technologies

Rajasthan Board RBSE Class 12 Biology Chapter 42 Bio-Medical Technologies RBSE Class 12 Biology Chapter 42 Multiple Choice Questions Question 1. Which of the following is used to measure blood haemoglobin? (a) Haemocytometer (b) Haemoglobinometer (c) Westergren method (d) Wintrobe method Answer: (b) Haemoglobinometer Question 2. In which of the following disease, number of leucocytes increases?…
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Rajasthan Board RBSE Class 12 Biology Chapter 41 Domestication, Culture & Economic Importance of Animals

Rajasthan Board RBSE Class 12 Biology Chapter 41 Domestication, Culture & Economic Importance of Animals RBSE Class 12 Biology Chapter 41 Multiple Choice Questions Question 1. Which one of these in indigenous species used for poultry farming? (a) White Leghorn (b) Pekin (c) New Hampshire (d) Aseel Answer: (d) Aseel Question 2. The incubation period of…
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Rajasthan Board RBSE Class 12 Biology Chapter 40 Important and Common Human Diseases

Rajasthan Board RBSE Class 12 Biology Chapter 40 Important and Common Human Diseases RBSE Class 12 Biology Chapter 40 Multiple Choice Questions Question 1. In which of the following disease, deformities in fingers are generated? (a) Tetanus (b) Leprosy (c) Tuberculosis (d) Pneumonia Answer: (b) Leprosy Question 2. Which among the following viruses, cause AIDS? (a)…
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Rajasthan Board RBSE Class 12 Biology Chapter 39 Immune System

Rajasthan Board RBSE Class 12 Biology Chapter 39 Immune System RBSE Class 12 Biology Chapter 39 Multiple Choice Questions Question 1. Which cell is involved in cell-mediated immunity – (a) Leukaemia (b) mast cell (c) T cell (d) Thrombocytes Answer: (c) T cell Question 2. Antigen is – (a) sugar (b) Aromatic (c) Nucleic acid (d)…
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Rajasthan Board RBSE Class 12 Biology Chapter 38 Human Population

Rajasthan Board RBSE Class 12 Biology Chapter 38 Human Population RBSE Class 12 Biology Chapter 38 Multiple Choice Questions Question 1. Who has first of all given the “Theory of Population” in context to the human population. (a) Malthus (b) Lamarck (c) Bodenhamer (d) Darwin Answer: (a) Malthus Question 2. What percentage of the population is…
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Rajasthan Board RBSE Class 12 Biology Chapter 37 Mutations

Rajasthan Board RBSE Class 12 Biology Chapter 37 Mutations RBSE Class 12 Biology Chapter 37 Multiple Choice Questions Question 1. What is a Genome? (a) Sum total of a haploid set of chromosome & extra chromosomal material of the cell (b) Total No. of a chromosome is an organism (c) diploid sets of chromosomes (d) number…
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Rajasthan Board RBSE Class 12 Biology Chapter 36 Man-Chromosomal Aberrations

Rajasthan Board RBSE Class 12 Biology Chapter 36 Man-Chromosomal Aberrations RBSE Class 12 Biology Chapter 36 Multiple Choice Questions Question 1. Number of autosomes found in man are: (a) 42 (b) 44 (c) 46 (d) 48 Answer: (b) 44 Question 2. Which of the following disease is caused by numerical changes in autosomes? (a) Turner’s syndrome…
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Rajasthan Board RBSE Class 12 Biology Chapter 35 Mendel’s Law of Inheritance

Rajasthan Board RBSE Class 12 Biology Chapter 35 Mendel’s Law of Inheritance RBSE Class 12 Biology Chapter 35 Multiple Choice Questions Question 1. The main reason for the success of Mendel was that he: (a) Selected pea plant (b) Studied one character at a time in hybrid (c) Kept record of pedigree (d) All of the…
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Rajasthan Board RBSE Class 12 Biology Chapter 34 Menstrual Cycle in Woman

Rajasthan Board RBSE Class 12 Biology Chapter 34 Menstrual Cycle in Woman RBSE Class 12 Biology Chapter 34 Multiple Choice Questions Question 1. The reproductive cycle in a mammalian female is called – (a) Oestrous cycle (b) Menstrual cycle (c) Both of the above (d) None of these Answer: (c) Both of the above Question 2.…
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Rajasthan Board RBSE Class 12 Biology Chapter 33 Embryonic Development in Man

Rajasthan Board RBSE Class 12 Biology Chapter 33 Embryonic Development in Man RBSE Class 12 Biology Chapter 33 Multiple Choice Questions Question 1. How many cells are found in Morula? (a) 4 (b) 8 (c) 16 (d) 32 Answer: (c) 16 Question 2. Which cavity is formed during gastrulation? (a) Animal pole (b) Vegetal pole (c)…
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