✅ SOOMRO 😇Academy Science MCQs (51–101) With Options and ✔ Correct Answers 🌍 Science, Space, Biology, Inventions, General Knowledge 51. Study of weather is called:  A) Astrology B) Geology C) Meteorology ✔ D) Astronomy 52. Study of insects is called:  A) Biology B) Entomology ✔ C) Zoology D) Mycology 53. Study of earthquakes is called:  A) Geology B) Seismology ✔ C) Ecology D) Meteorology 54. The word DNA stands for:  A) Deoxynucleic acid B) Deoxyribonucleic acid ✔ C) Dinucleic acid D) Dioxyribonitric acid 55. Size of human heart is equal to:  A) Head B) Hand C) Palm D) Closed fist ✔ 56. Largest internal organ in human body is:  A) Brain B) Liver ✔ C) Kidney D) Heart 57. Banana is a tree without:  A) Roots B) Wood ✔ C) Leaves D) Branches 58. Mitochondria is known as:  A) Cell brain B) Powerhouse of cell ✔ C) Guard D) Wall 59. Total blood groups are:  A) 3 B) 2 C) 6 D) 4 ✔ 60. Battery was invented by:  A) Edison B) Volta ✔ C) Franklin D) Marconi 61. Largest bone in human body is:  A) Tibia B) Humerus C) Femur (thigh bone) ✔ D) Spine 62. Aorta is the largest:  A) Vein B) Artery ✔ C) Bone D) Muscle 63. Human body has how many milk teeth:  A) 22 B) 20 ✔ C) 28 D) 32 64. Hepatitis is inflammation of:  A) Kidney B) Pancreas C) Liver ✔ D) Heart 65. Electric bulb was invented by:  A) Marconi B) Galileo C) Thomas Edison ✔ D) Newton 66. Telephone was invented by:  A) Marconi B) Graham Bell ✔ C) Edison D) Darwin 67. How many bones in human face:  A) 10 B) 12 C) 14 ✔ D) 16 68. How many muscles in human body:  A) 526 B) 710 C) 500 D) 639 ✔ 69. Yeast is:  A) Multicellular B) Unicellular fungi ✔ C) Virus D) Algae 70. Study of fungi is called:  A) Ecology B) Entomology C) Mycology ✔ D) Cytology 71. Solar system has how many planets:  A) 9 B) 7 C) 10 D) 8 ✔ 72. Solid CO₂ is called:  A) Carbonite B) Dry ice ✔ C) Icy gas D) Ice crystal 73. Urine is produced in:  A) Liver B) Kidney ✔ C) Bladder D) Intestine 74. Bile is produced by:  A) Pancreas B) Stomach C) Liver ✔ D) Gallbladder 75. Mercury is the:  A) Largest B) Slowest C) Fastest planet ✔ D) Coldest 76. Neptune is the:  A) Closest planet B) 3rd planet C) Brightest D) Outermost planet ✔ 77. Fear of light is called:  A) Photogenic B) Photophobia ✔ C) Photonism D) Optophobia 78. Insulin is secreted by:  A) Liver B) Pancreas ✔ C) Kidney D) Brain 79. Blood is formed in:  A) Brain B) Heart C) Bone marrow ✔ D) Muscles 80. Bile is stored in:  A) Liver B) Gall bladder ✔ C) Pancreas D) Kidney 81. Father of Biology is:  A) Newton B) Aristotle ✔ C) Darwin D) Pasteur 82. Leukemia is cancer of:  A) Bones B) Blood ✔ C) Skin D) Brain 83. S.I unit of energy is:  A) Calorie B) Volt C) Joule ✔ D) Watt 84. Speed of sound is fastest in:  A) Water B) Gas C) Air D) Solid ✔ 85. Oxygen gas discovered by:  A) Rutherford B) Newton C) Joseph Priestley ✔ D) Curie 86. Vitamin A deficiency causes:  A) Scurvy B) Night blindness ✔ C) Rickets D) Weakness 87. Vitamin D deficiency causes:  A) Beri Beri B) Scurvy C) Night blindness D) Rickets ✔ 88. Nitrogen % in atmosphere is:  A) 70% B) 80% C) 78% ✔ D) 60% 89. Dialysis treats:  A) Cancer B) Kidney failure ✔ C) Heart attack D) Lung problem 90. Malaria is caused by:  A) Virus B) Bacteria C) Plasmodium ✔ D) Fungi 91. Speed of light is:  A) 300,000 km/s ✔ B) 200,000 km/s C) 400,000 km/s D) 150,000 km/s 92. 1 foot = how many inches?  A) 10 B) 12 ✔ C) 11 D) 15 93. Study of insects is:  A) Zoology B) Mycology C) Entomology ✔ D) Cytology 94. Who discovered nucleus?  A) Galileo B) Bohr C) Edison D) Rutherford ✔ 95. Study of weather:  A) Astronomy B) Meteorology ✔ C) Zoology D) Astrology 96. Rickets caused by deficiency of:  A) Vitamin A B) Vitamin D ✔ C) Vitamin C D) Iron 97. Fleming discovered:  A) Insulin B) Penicillin ✔ C) Blood group D) Oxygen 98. Human blood pressure is:  A) 70/120 B) 80/120 ✔ C) 60/100 D) 90/130 99. One kilometer is equal to:  A) 1000 meters ✔ B) 100 meters C) 10,000 meters D) 1500 meters 100. Solid carbon dioxide is called:  A) Ice CO₂ B) Crystal CO₂ C) Dry Ice ✔ D) Solid Oxygen 101. Oxygen discovered by:  A) Lavoisier B) Edison C) Galileo D) Priestley ✔