Rajasthan Board RBSE Class 12 Biology Chapter 27 Man-Sensory Organs (Sense Organs) RBSE Class 12 Biology Chapter 27 Multiple Choice Questions Question 1. The shape of ear ossicle, malleus is: (a) Hammer like (b) Stirrup like (c) Oval (d) None of the above Answer: (a) Hammer like Question 2. The function of cones of the eye … Read more
Rajasthan Board RBSE Class 12 Biology Chapter 26 Man-Nervous System RBSE Class 12 Biology Chapter 26 Multiple Choice Questions Question 1. What is the unit of the nervous system? (a) Nephron (b) Neuron (c) Brain (d) Spinal cord Answer: (b) Neuron Question 2. Temperature controlling centre in the brain of man is: (a) Pituitary gland (b) … Read more
Rajasthan Board RBSE Class 12 Biology Chapter 25 Man-Excretory System RBSE Class 12 Biology Chapter 25 Multiple Choice Questions Question 1. The main excretory substance in human is: (a) Uric acid (b) Ammonia (c) Urea (d) Amino acid Answer: (c) Urea Question 2. The main excretory organ of human is: (a) Lungs (b) Kidney (c) Skin … Read more
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 … Read more
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? … Read more
Rajasthan Board RBSE Class 12 Biology Chapter 28 Man-Reproductive System RBSE Class 12 Biology Chapter 28 Multiple Choice Questions Question 1. Graafian follicles are found in: (a) Thyroid gland of a man (b) A prostate gland of a man (c) Ovaries of woman (d) Testes of man Answer: (c) Ovaries of woman Question 2. Which gland … Read more
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 … Read more
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 … Read more
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 … Read more
Rajasthan Board RBSE Class 12 Biology Chapter 29 Man-Chemical Coordination RBSE Class 12 Biology Chapter 29 Multiple Choice Questions Question 1. Secretions of endocrine glands are called: (a) Pheromone (b) Enzyme (c) Hormone (d) Mucous Answer: (c) Hormone Question 2. Father of Endocrinology is: (a) Claude Bernard (b) Thomas Edison (c) Balis and Starling (d) Banting … Read more
Rajasthan Board RBSE Class 12 Biology Chapter 24 Man-Blood Vascular, System RBSE Class 12 Biology Chapter 24 Multiple Choice Questions Question 1. Human Heart is developed from: (a) endodermal (b) mesodermal (c) exodermal (d) endomesodermal Answer: (c) exodermal Question 2. Blood is: (a) a tissue (b) not a tissue (c) liquid tissue (d) liquid connective tissue … Read more