Aug 21, 2019

100+ General Science questions with answers based on Biology

GK Question and Answers on General Science, GK Quiz for competitive exams, GK MCQs with answers for SSC, UPSC, Railway, CGL, Bank exams, IBPS, IAS, Defence, etc.

 General Science questions with answers on Biology


Common General Science Questions with answers based on Biology



  1. The green color of the plant is due to the presence of - Chlorophyll
  2. The powerhouse of the cell is - Mitochondria
  3. Plant and animal cell differ in which of the following Structure- Cell wall
  4. Which of the following animals is unicellular - Amoeba
  5. The biggest cell is - Ostrich egg
  6. The mineral constituent of the cell wall is - Calcium
  7. RBC stands for- Red blood corpuscles
  8. How many bones are there in the human body? - 206
  9. Which of the following is not an endocrine gland? - Pancreas
  10. Cerebellum controls - balancing of the body
  11. The outermost layer of the skin is called -  Epidermis
  12. The basic protein associated with DNA is - Histone
  13. How many bones are there in the face? - 14
  14. The branch of science dealing with the study of human skin - Dermatology
  15. Which is the largest bone in the human body? - Femur
  16. In human beings, fertilization takes place in - Fallopian tube
  17. Blood is purified in - Kidneys
  18. Master Endocrine gland is - Pituitary 
  19. The functional unit of the kidney is called - Nephron
  20. Universal recipient blood group is - AB
  21. The hardest part of the human body is - Enamel
  22. Which mineral is found hemoglobin? - Iron
  23. DNA is present within the - Nucleus
  24. Genes are located on - Chromosomes
  25. Which is the largest gland in the human body? -liver
  26. Where does the red blood corpuscles are formed in our body?- Bone Marrow
  27. What is the body temperature of a healthy person? - 98.4°F
  28. The blood pressure in healthy human beings is - 120/80mm
  29. Hormones are useful for - Metabolic functions
  30. Name the vitamin which is responsible for blood clotting? - K
  31. In which organ bile juice is stored? - Gall bladder
  32. The excretory organ in the human body is - Kidney
  33. The person of which blood group is called the universal donor - O
  34. Which gland is called master gland? - Pituitary
  35. Number of chromosomes in man is - 46
  36. The teeth made of - both calcium and phosphate
  37. Blood pressure is related to - Heart
  38. Hemoglobin is found in - blood
  39. Red corpuscles are found in - arteries and veins
  40. The main constituents of the human skeleton are - Calcium
  41. Sex chromosomes in a human male are named - XY
  42. Which of the following is not an organ of excretion - Small intestine
  43. The cardiac muscles are found only in - Heart
  44. The longest bone in the human skeleton is - Femur
  45. The normal hemoglobin levels in the blood in man is - 15 gm per 100 ml of blood
  46. The blood is purified in the organ - Kidney
  47. Blood is pumped by - heart
  48. People having blood group 'O' have - No antigen
  49. Hair, fingernails, and hoofs are all made of - Proteins
  50. What is the quantity of blood in normal human beings? - 5 To 6 Lts.
  51. The main function of the large intestine - Absorption of water
  52. Pulse reading is done by doctors to find our - Heartbeat
  53. Biological death of a patient means the death of tissues of the - Brain
  54. The glands which secrete oil for lubricating the hair is - Sebaceous gland
  55. The oxygenated blood is poured into which part of the heart - Left auricle
  56. A heartbeat requires approximately - 0.8 second
  57. The human brain weighs approximately - 1400gm
  58. Protein is digested in the human body in - Small intestine
  59. which part of the heart receives pure blood from the lungs - Left auricle
  60. The rate of speed of nerve in man is about - 120 metres per second
  61. Reproduction is of how many types? - 2
  62. What is the sweetest sugar? - Fructose
  63. Iodine test is used to detect - Starch
  64. Iodized salt is useful for man because - controls the thyroid gland
  65. Balance diet may be defined as - the diet which contains all the food substances in correct proportion 
  66. Which of the following glands of the body acts both as exocrine and endocrine gland - Pancreas
  67. Number of only permanent teeth in man is - 32
  68. Example of a cold-blooded animal - Lizard
  69. The edible part of Banana is called - Endocarp
  70. The xylem in plants is responsible for - Transport of water
  71. The science dealing with plant life is - Botany
  72. A fish uses it for respiration - Gills
  73. Gobar gas mainly contains - Methane and Butane
  74. The animal kingdom is divided into how many sub kingdom? - 2
  75. Heart of a frog has how many chambers? - Three
  76. A food chain starts with which of the following? Photosynthesis
  77. Animal or plant living in or on another and getting nourishment from it is called - Parasite
  78. Due to which of the following tea is a good stimulant? - Caffeine
  79. Which is the harmful substance present in tobacco? - Nicotine
  80. Where does the camel store extra water in his body? - Rumen (Humps)
  81. A whale is a - Mammal
  82. The botanical name of ladies finger is - Hibiscus esculentus
  83. Which vitamin we get from lemon and orange - Vitamin C
  84. Which vitamin is not found in Fruit and vegetables - Vitamin D
  85. Leprosy is caused by - Bacteria
  86. Which gas leave the trees at night? - Carbon dioxide
  87. Which is a true fish? - Dogfish
  88. Most of the plants obtain nitrogen from the soil in the form of - Nitrates
  89. The oxygen liberated during photosynthesis is derived from - Water
  90. Ginger is a stem and not a root because - It has nodes and internodes
  91. Name of the plant parasite - Cuscuta
  92. Who invented the polio vaccine? - Dr. Salk
  93. Which of the following disease is not curable - AIDS
  94. In adult humans, a deficiency of vitamin D leads to loss of calcium and phosphorus from bones which are symptoms of a disease called - Osteomalacia
  95. Rickets is a disease in which organ of the body that is affected is - Bones of legs
  96. the deficiency of which one of the following vitamins lead to bleeding of gums and loosening of teeth? - Vitamin C
  97. Lack of nicotinic acid causes - Pellagra
  98. Deficiency of vitamin A causes - Nyctalopia
  99. AIDS disease is not transmitted by - handshake
  100. Malaria is caused by - Protozoa
  101. ADIS effects - Immune system
  102. Plague spreads by - Rats
  103. Night blindness is caused by the deficiency of  - vitamin A
  104. Arthritis is the disease of - Inflammation of joints
  105.  One of the common fungal diseases of man is - Ringworm
  106. The scurvy disease is caused by the deficiency of - Vitamin C
  107. Dengue fever is caused by - Virus
  108. Myopia is a defect of the eye can be corrected by using - Concave lens
  109. The virus which infects bacteria is called - Bacteriophages
  110. Vitamin K deficiency may result in - Difficulty in blood clotting
  111. Ranikhet is a disease of - Fowl
  112. Beriberi is caused due to the deficiency of - vitamin B
  113. Treatment of Rabies was discovered by - Louis Pasteur
  114. HIV is - Fungal infection
  115. Viruses are -  living organism
  116. Penicillin is commonly obtained from - Blue-green mold
  117. Which disease is insulin used to cure? - Diabetes
  118. Chinese method of treating diseases by the needle is called - Acupuncture
  119. BCG vaccine is used against - TB
  120. Anemia in man is caused due to the deficiency of - Vitamin B12
  121. Bronchitis is a disease of - Respiratory system
  122. "Foot and Mouth" Disease is related to - Cattle
  123. The deficiency of proteins causes - Kawashikor
  124. The virus of AIDS is - HIV
  125. Dinosaurs roamed the Earth about - 630 million years ago
  126. Cartilage is made up of a protein - Chondrin
  127. Blood pressure is measured by - Sphygmomanometer
  128. Which ray is used in the hospital to find out the broken bone? - X-ray
  129. The study of plants is called - Botany
  130. Which of the following is a fuel of fossils? - Petroleum
  131. Which law was put forward by Ernst Haeckel? - the biogenetic Law
  132. The theory of acquired character is advocated by - Lamark
  133. Who discovered blood circulation? - Harvey
  134. Which of the following is a rich of energy but never causes atmospheric pollution? - Solar energy
  135. the fundamental unit of heredity is - Gene
  136. Name of the instrument that used to measure heartbeat - Stethoscope
  137. Test tube baby means - Ovule fertilized in a test tube and developed in the uterus
  138. Who discovered that mosquito served as a carrier of malaria? - Ronald Ross
  139. It is not advisable to sleep under a tree at night because of - Release of Carbon dioxide
  140. The main gas causing greenhouse effects is - Carbon dioxide
  141. A man with blood group A can receive blood from persons having blood groups - A, O
  142. Rh-factor was first discovered in - Monkey
  143. Which is the rich source of vitamin C? - Amla




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