Category: Class 12 Biology Solutions

Rajasthan Board Books

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Rajasthan Board RBSE Class 12 Biology Chapter 32 Man-Fertilization

Rajasthan Board RBSE Class 12 Biology Chapter 32 Man-Fertilization RBSE Class 12 Biology Chapter 32 Multiple Choice Questions Question 1. Significance of fertilizin and antifertilizin in fertilization is – (a) Attract gametes (b) Protection of spermatozoa (c) attachment of the sperms on the ovum surface (d) All of the above Answer: (c) attachment of the sperms…
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Rajasthan Board RBSE Class 12 Biology Chapter 31 Man-Gametogenesis

Rajasthan Board RBSE Class 12 Biology Chapter 31 Man-Gametogenesis RBSE Class 12 Biology Chapter 31 Multiple Choice Questions Question 1. The discharge of mature ovum from over is called – (a) Implantation (b) Fertilization (c) Ovulation (d) Parturition Answer: (c) Ovulation Question 2. How long spermatozoa survive after the entry in the Vagina? (a) 1 –…
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Rajasthan Board RBSE Class 12 Biology Chapter 30 Man-Movement & Locomotion

Rajasthan Board RBSE Class 12 Biology Chapter 30 Man-Movement & Locomotion RBSE Class 12 Biology Chapter 30 Multiple Choice Questions Question 1. The exoskeleton of animal is – (a) Skull (b) Ribs (c) Nails (d) Sternum Answer: (c) Nails Question 2. Matrix of a bone is of which protein – (a) Chondrin (b) Ossein (c) Fibrin…
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Rajasthan Board RBSE Class 12 Biology Chapter 29 Man-Chemical Coordination

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…
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Rajasthan Board RBSE Class 12 Biology Chapter 28 Man-Reproductive System

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…
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Rajasthan Board RBSE Class 12 Biology Chapter 27 Man-Sensory Organs (Sense Organs)

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…
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Rajasthan Board RBSE Class 12 Biology Chapter 26 Man-Nervous System

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)…
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Rajasthan Board RBSE Class 12 Biology Chapter 25 Man-Excretory System

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…
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Rajasthan Board RBSE Class 12 Biology Chapter 24 Man-Blood Vascular, System

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…
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Rajasthan Board RBSE Class 12 Biology Chapter 23 Man-Respiratory System

Rajasthan Board RBSE Class 12 Biology Chapter 23 Man-Respiratory System RBSE Class 12 Biology Chapter 23 Multiple Choice Questions Question 1. Energy used in respiration is – (a) Physical energy (b) Chemical energy (c) Kinetic energy (d) Electric energy Answer: (b) Chemical energy Question 2. During inhalation, the diaphragm is – (a) Oblique (b) Dome-shaped (c)…
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