150 GENERAL SCIENCE MCQ
1) What is the normal blood pressure of human body?
Answer == 120/80.
2) What is the scientific name of caustic soda? Answer == Potassium Hydroxide.
3) Which bacterium is used to make curds from milk?
Answer == Lactobacillus.
4) In which kingdom is Lactobacillus included? Answer == Monera.
5) Which is the other organism that has been added in Kingdom Monera in addition to bacteria?
Answer == Blue- green algae.
6) In which kingdom is fungus growing on the bread included?
Answer == Fungi.
7) What are dark coloured particles which are seen when the fungus is growing on the bread?
Answer == Spores.
8) Why is there growth of fungus on all the state food?
Answer == Fungus grows on decaying organic matter.
9) What is study of viruses known as?
Answer == Virology.
10) Who is father of virus?
Answer == Martinus Beijerinck.
11) What stands for virus?
Answer == Vital Information Resources under Siege.
12) Which virus attacks bacterial cell?
Answer == A bacteriophage.
13) Which is the hardest natural substance on Earth?Answer == Diamond.
14) Humans and chimpanzees roughly how much DNA?
Answer == 98 percent.
15) At what temperature are Celsius and Fahrenheit equal?
Answer == -40.
16) Which is the rarest blood type in humans?Answer == AB Negative.
17) Which non-metal remains liquid at room temperature?
Answer == Bromine.
18) How much average salinity of sea water is?Answer == 3.5%
19) From which mineral is radium obtained?
Answer == Pitchblende.
20) Which gas is known as laughing gas?
Answer == Nitrous Oxide.
21) Which metal pollute the air of a big city?
Answer == Lead.
22) What is the unit for measuring the amplitude of a sound?
Answer == Decibel.
23) What is the unit of measuring depth?Answer == Fathom.
24) One kilometer is equal to how many miles?Answer == 0.62.
25) One horse power is equal to how much watts? Answer == 746 watts.
26) Iodine solution is used to test the presence of which?
Answer == Starch.
27) Name the respiratory organ for insects?
Answer == Trachease.
28) Plant that grow in saline water are called what?Answer == Halophytes.
29) In which country the maximum numbers of patients of diabetes are found?
Answer == In India.
30) When is the world diabetes day is organised?Answer ==14’th November.
31) Which rays the layer of ozone gas absorbs?Answer == Ultraviolet.
32) How much fresh water present on the earth of the total water?
Answer == Exosphere layer.
33) Which gas is used in fire extinguisher?
Answer == Carbon dioxide.
34) Which mosquito spreads dengue?
Answer == Aedes Aegypti.
35) Which test is performed on blood to diagnose AIDS?
Answer == ELISA.
36) Which mosquito is seen in dirty water?
Answer == Culex mosquito.
37) From which the transmission of Swine flue is done?
Answer == By pigs & human beings.
38) Which is the main symptom of rabies?
Answer == Hydrophobia.
39) On which day is celebrated as a Ozone Protection Day all over the world?
Answer == 16th september.
40) Which type of stem the cactus tree have?
Answer == Fleshy.
41) Name the process by which plants make their own food.
Answer == Photosynthesis.
42) Which compound is known as sugar of lead?Answer :– Lead Acetate.
43) What is the chemical formula ofCaustic Soda
Answer:– NaOH (Sodium Hydroxide).
44) What is the pH of Lemon Juice?
Answer:– 2.4.
45) Which is the most prominent Female Sex Horomone?
Answer:– Progesterone.
46) What is one of the permanent fixtures that obstruct radar beams?
Answer :– Tall buildings.
47) Gneiss, a rock found in the Teton Range, is which type of rock?
Answer :– Metamorphic.
48) Who was the famous scientist who made a discovery of gravity?
Answer:– Isaac Newton.
49) Which is the first element on the periodic table of elements?
Answer :– Hydrogen.
50) Which is the largest organ in the human body?Answer :– Skin.
51) Who is known as the father of Bengali science fiction?
Answer :– Jagadish Chandra Bose.
52) Who is invented the crescograph?
Answer :– Jagadish Chandra Bose.
53) Which graph measure plant response to various stimuli?
Answer :– Crescograph.
54) What is the chemical symbol of gold?
Answer :– AU.
55) What is the filter feeding system used by some whales known as?
Answer :– Baleen.
56) How many pairs of chromosomes do humans have?
Answer :– 23 pairs.
57) Who invented logarithms?
Answer === John Napier.
58) What is the study of birds called?
Answer :– Ornithology.
59) What are the most common wild birds in the world?Answer :– Red-billed Quelea.
60) What ‘study of fruit’ called?Answer :– Pomology.
61) Which vitamin help in the absorption of calcium?Answer :– Vitamin D.
62) Natural rubber is a polymer of ..?Answer :– Isoprene.
63) Iodine solution is used to test the presence of..?Answer :– Starch.
64) Name the respiratory organ of insects?Answer :– Trachease.
65) Who is known as the father of Biology?Answer :– Aristotle.
66) Which metal has the highest melting point?Answer :– Tungsten.
67) What is the only letter that does not appear on the periodic table of elements?Answer :– J.
68) What is the smallest bone in the human body?Answer :– Stapes.
69) What is the chemical symbol of Gold?Answer :– Au.
70) In which disease of the liver where the skin and eyes turns yellow?Answer :– Jaundice.
71) Which disease is caused by drinking unclean water?Answer :– Cholera.
72) Name a flat worm that lives as a parasite in the intestine.Answer :– Tapeworm.
73) Which is the deadly infectious disease caused by rats?Answer :– Plague.
74) Which disease produces small red spots on the body?Answer :– Measles.
75) In which disease a certain group of cells multiply and destroy healthy tissues?Answer :– Cancer.
76) Which disease is caused by the bite of a female mosquito?Answer :– Malaria.
77) What is the full form of LASER?Answer :– Light Amplification by Stimulated Emission of Radiation.
78) Which of the following does not belong to the family of organic compounds? (SSC CPO exam 2023 Paper-1)a) Ammonia b) Nonane c) Furan d) Decane.Answer :– Ammonia.
79) What is the process by which plants make their food?Answer:– Photosynthesis.
80) Which gas is most abundant in Earth’s atmosphere?Answer: Nitrogen.
81) What is the SI unit of force?Answer: Newton.
82) Which organ in the human body is responsible for pumping blood?Answer: Heart.
83) What type of energy is stored in a stretched rubber band?Answer: Potential Energy.
84) Which part of the cell is known as the powerhouse?Answer: Mitochondria.
85) What is the boiling point of water at sea level?Answer: 100°C.
86) What is the primary gas found in the Earth’s atmosphere?Answer :- Nitrogen.
87) What is the smallest unit of matter?Answer :– Atom.
88) Which scientist proposed the theory of relativity?Answer :– Albert Eintist.
89) What is the process by which plants release oxygen into the air?Answer :– Photosynthesis.
90) What type of blood cells help the body fight infections?Answer :– white blood cells.
91) Which part of the Earth is composed of molten iron and nickel?Answer :– Outer Core.
92) What is the main component of the Sun?Answer :– Hydrogen.
93) What is the primary source of energy for life on Earth?Answer :– Sunlight.
94) What type of lens is used in a magnifying glass?Answer :– Convex.
95) What is the most abundant element in the universe?Answer :– Hydrogen.
96) What is the basic unit of life?Answer :– Cell.
97) Electron volt is a unit of….?Answer :– Energy.
98) Cereals are rich source of…?Answer :– Carbohydrate.
99) Honeybee makes honey from….?Answer :– Nectar.
100) The wet seed develops small white outgrowth on it. This type of seed is called…?Answer :– Sprouted seeds.
101) Vegetable and fruits are rich in….?Answer :– Vitamins and minerals.
102) Which part of the plant is cabbage?Answer :– Leaves.
103) Which vitamin is destroyed during heating?Answer :– Vitamin C.
104) Essential components of food are called…?Answer :– Nutrients.
105) Neha placed two drops of a liquid on cooked rice which turned the rice blue- black. What could be the liquid?Answer :– Iodine Solution.
106) Which mineral controls the functioning of thyroid?Answer :– Iodine.
107) The disease caused by the deficiency of iodine is…?Answer :– Goitre.
108) The component of food that has no nutritive value is…?Answer :– Roughage.
109) Which one of the following Vitamins deficiency leads to bleeding of gums, slow healing of wounds and aching limbs?Answer :– Vitamin C.
110) What fraction of your body is water?Answer :– 2/3.
111) Which mineral is required for the formation of haemoglobin?Answer :– Iron.
112) What is the seed of cotton called?Answer :– Binola.
113) Name the processes which involves conversion of yarn into cloth? Answer :– Weaving.
114) Which is the first man-made synthetic fibre? Answer :– Nylon.
115) Name the fibre obtained from plants and animals. Answer :– Natural Fibre.
116) Which of the following fibres on burning smells like burning hair?Answer :– Wool.
117) Which fibre is used for making gunny bag? Answer :– Jute.
118) Name the process which involves the separation of seeds from cotton bolls? Answer :– Ginning.
119) Which fibre yielding plant should be grown in a field having black soil and warm climate? Answer :– Cotton.
120) Name the processes which involves rotting of gummy skin of jute sticks in water? Answer :– Retting.
121) Silk is obtained from silk worm which lives on…? Answer :– Mulberry leaves.
122) In which country the cotton was first produced in? Answer :– India.
123) In which season the jute is cultivated? Answer :– Before rainy season.
124) When Mendeleev started his work, how many elements were known at that time? (SSC -GD EXAM 2024). Answer :– 63.
125) Which part of the plant conducts photosynthesis? ANSWER:– Leaf.
126) What is the standard unit of power? Answer:– watt(w).
127) what is the PH value range of acids? ANSWER:– between 0 & 7.
128)How Many Days Is The Average Life Span Of Red Blood Cells ?ANSWER:– 120 days.
129) What is the SI unit of resistance? ANSWER:– Ohm.
130) A fathometer is used to measure…? ANSWER:– Ocean Depth.
131) What is the SI unit of Force? ANSWER:– Newton
.132) What is the chemical formula for methane? ANSWER:– CH4.
133) What is the chemical formula of alum? ANSWER:–XAl(SO 4 ) 2 ·12H 2 O.
134) 233) Which vitamin is considered to be a hormone? ANSWER:– Vitamin D.
135) In which animal is respiration done by skin? ANSWER:– Frog.
136) What is the loss of water in the form of water drops called?ANSWER:– Guttation.
137) Which metal is non toxic in nature? ANSWER:– Gold.
138) What is Study of growth and development of embryo? ANSWER:– Embryology.
139) What is the Study of pulse and arterial blood pressure called?ANSWER:– Sphygmology.
140) What is considered as the easily digestable source of protein?ANSWER:– Soyabean.
141) What is the boiling point of water?ANSWER:– 100°C or 212°F.
142) What is the center of an atom called? ANSWER:– Nucleus.
143) What is the primary gas found in the Earth’s atmosphere?ANSWER:– Nitrogen.
144) Which vitamin is produced when the skin is exposed to sunlight?ANSWER:– Vitamin D.
145) *What is the unit of solid angle?ANSWER:– Steradian.
146) *Dynamo armature is made of which material? ANSWER:– Steel.
147) Which organ purifies our blood? ANSWER:– The Kidneys.
148) Which acid is found in ants? ANSWER:– Formic acid, also known as methanoic acid.
149) What type of crop is potato?
ANSWER:– Tuber Crop.
150) Which crop is known as Miracle Crop? ANSWER:– Soybean.