01.Compound that does not form a clear solution with cold water is -Benezoic Acid
02.The lightest noble gas is- Helium
03.Light emitted during chemical reaction is called - chemiluminescence
04.Amber colour is imparted to glass by adding - carbon
05.Simpson and Harrison are associated with the invention of - Chloroform
06.Epsom salt is - hydrated magnesium sulphate
07.Penicillin was invented by Fleming in the year -1929
08.The salt known as 'Pearl ash’ is- : Potassium carbonate
09.The National chemical Laboratory is situated in - Pune
10.PVC plastics are obtained from vinyl chloride by the process of - polymerization
11.Milk is an example of- emulsion
12.The boiling point of water, on the kelvin scale of temperature is - 373
13.The substance that causes the worst air pollution is - carbon monoxide
14.Dolomite is an ore of - Mg
15.The element used in photocopying machines is - Selenium
16.In breeder reactors uranimn-238 is converted into - Plutonium-239
17.The process of elimination of water from any system is called - dehydration
18.Chemotherapy deals with - The study and uses of chemicals in the cure of diseases.
19.The point at which the solid, liquid and gaseous forms of a substance co-exist is called its - triple point
20.The IC chips used in computers are made of - Silicon
21.For rural electrification and domestic cooking, most appropriate and economical would be - biogas
22.The full form of D.D.T. -Dichlorodiphenyltrichloromethane
23.The acid contained palm oil -Palmitic acid
24.Who is called Father of Genetics - Mendel
25.Mycology is the study of - Fungi
26.Fixation of nitrogen in the soil - Bacteria
27.Who discovered nucleus - Robert Brown
28.What is the name of the botanical name of paddy - Oryza sativa
29.Polio is caused by - virus
30.Which one of the following is responsible for converting milk into curd - Bacteria
31.The richest source of vitamin D is -- Sun light
32.The tallest living tree is - Sequoia
33.Pollination of birds is known as - Ornithophily
34.Pulses contain large amount of - Proteins
35.Which plant was used by Mendel in his early experiment -- Pea plant
36.More rate of photosynthesis occurs in - White light
37. Plants produce energy during - Photosynthesis
38.The compound used in anti malarial drug is - Chloroquine
39. Which acid is produced when milk gets sour - . Lactic acid
40. In which one of the animals skin is a respiratory organ - Frog
41. Food wrapped in newspaper is likely to get contaminated with - Lead
42.Azadiracta indica is the botanical name of - . Neem
43.The major part of solar radiation is harvested by the - Plants
44. The largest living animals belong to the group of - Mammals Yellow
45.Glucose is stored in our body in the form of - Glycogen
46. Rh factor is present in - Blood
47. Birds excrete nitrogenous waste in the form of - Uric acid
48. The length of the spinal cord is about - 45 cm
49. Rabies is transmitted by - Infected mad dogs
50. The excretory organ of the earthworm is - Nephridium
51. The upper heart chambers are called - Atria
52. Bees are particularly sensitive to - Ultraviolet light
53.AIDS is caused by - Virus
54. The rearing of silkworm is known as - Sericulture
55.—— are the blood vessels which carry blood towards the heart - Veins
56. Which vitamin is destroyed by cooking - Vitamin C
57. To which group Dolphins belong - Mammals
58. Dengue fever is spread by - Aedes aegypti
59. The fungal derivative used in the treatment of tuberculosis is - Streptomycin
60. ——— pairs of spinal nerves are present in the human body - 31
61. Emergency hormone - Adrenaline
62. Which planet is known as the Earth’s Twin - Venus
63.The size of the earth was first measured by - Eratosthenes
64.The nuclear fuel in the Sun is - Hydrogen
65.X--rays travel with the velocity of - light
66. Bhabha Atomic Research Centre(BARC) is located at - Trombay
67. The lens used to rectify long sight is - Convex lens
68. Genes involved in cancer are - Oncogenes
69.The last case of Small Pox was reported in - 1977
70. Which of the following disease is now considered eradicated from India - Small Pox
71.——— is characterized by hydrophobia - Rabies
72. OPV (Oral Polio Vaccine) was prepared by - Sabin
73.Which of the following organs does not produce any digestive enzymes - Liver
74. Widal Test is done to confirm - Typhoid
75.Theory of inheritance was proposed by - John Mendel
76.Human Heart is enclosed by a sac known as the - Pericardium
77. Acid Rain is produced by - Excess NO₂and SO₂ from burning fossil fuels.
78.A bone is connected to muscle with the help of - Tendon
79. Which of the following blood groups enable a person to give to any person - O
80. Fluoride pollution mainly affects - Teeth
81.Chernobyl nuclear tragedy occurred in - April 1986
82.Diabetes Insipidus occurs due to the hyposecretion of - Oxytocin
83.The deficiency of Vitamin A causes - Night Blindness
84. Myopia or Near-sightedness can be corrected by - Biconcave Lens
85. Which is the smallest bone in the body - Stapes
86. Which of the following is an Ozone depleting chemical - CFC
87. The 1992 Earth Summit was held in - Rio de Janeiro
88. The main function of the white blood corpuscles in the body is - To protect the body against disease
89.Platelet survive is stored blood for -- 24 hours
90. ELISA Test is used for screening -- AIDS
91.The main source of energy for the human sperm is - Fructose
292.The largest internal organ in human - Liver
93.Blood is formed in the human adult by the - Red bone marrow
94.The largest part of most diets is made - Carbohydrates
95. Total weight of kidney in human being -- 150 gm
96.Who is the father of vaccination - Edward Jenner
97.The organ commonly injured in abdominal trauma - Spleen
98.Who is known as the father of tissue culture - HaberLand
99. Oceanography deals with the study of - Sea
100.The medulla oblongata is concerned with the control of - Heartbeat
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