General Science Questions Answers | GENERAL SCIENCE QUIZ

Physics is the study of nature and its laws. physics is one of the most fundamental scientific and academic disciplines, and its motto is to acknowledge their knowledge through its inclusion of astronomy. The word physics has been derived from the Greek word physis which means ‘nature’. Let’s get a deep dive into General Science Questions Answers and try your best to answer and know your strengths. 

25 Physics Quiz – (General Science Questions Answers)

1. The source of solar energy is

1. 1. fusion 
   2. fission
   3. radiation
   4. conduction 

2. Work done in moving a unit positive charge from an infinity particular point in an electric field is 
   2. electric potential 
   3. electric field intensity
   4. electric lines
   5. electric forces

3. Mirage observed on a road on hot days is in consequence of 

1. refraction of light 
2. reflection of light
3. polarization 
4. diffraction of light

4. A device used for string charges is

1. resistor 
2. condenser 
3. inductor 
4. Insulator

5. The unit for electric flux is 
6. Nm2c-1
7. Nmc-2
8. Nmc-1
9. N2mc-1

6. Electric lines of force

1. interest each other
2. never intersect
3. interest at finite
4. are always parallel

7. Sin i/ sin was stated by 

1. Archimedes
2. Snell
3. Newton
4. C.V. Raman

8. According to Newton’s First Law of Motion. 

1. an object in motion eventually begins to move 
2. An object at rest eventually comes to a halt
3. An object in motion moves in a parabolic trajectory unless acted upon by a net force
4. An object at rest remains at rest unless acted upon by a net force 

9. A car initially at rest accelerates in straight lines at 3m/s2 what will be its speed after 2 seconds?

(a) 0. m/s

(b) 5 m/s

(c) 3 m/s

(d) 6 m/s

10. The nucleus of an atom has

1. Electrons
2. Protons
3. Protons and neutrons
4. Electron and protons 

11. An object is placed at 2F of a convex lens, and the image formed is

1. real, inverted, and diminished 
2. real, inverted, and of the same size 
3. real, erect, and enlarged
4. virtual, erect, and enlarged

12. Who among the following is credited with working for the unification of electricity, magnetism, and optics fields of physics?

1. Isaac Newton
2. Michael Faraday 
3. Haris Christian Oersted
4. James Clerk Maxwell

13. Consider the following statements :

Assertion (A): Metals and glass are isotropic

Reason (B): They have the same properties in all directions 

Select the correct answer :

1. Both (A) and (R) are true and (R) is the correct explanation of (A)
2. Both (A) and (R) are true but (R) is not the correct explanation of (A)
3. (A) is true (R) is false
4. (A) is false (R) is true

14. A sonometer can be used to determine 

1. Nodes
2. Actinides
3. Pitch 
4. The frequency of a tuning fork 

15. PH of neutral water is 

1. 7
2. 0
3. 14
4. 1

16. Match the following 

Codes :

      A  B  C D

1. 4  1  2  3
2. 4  2  3  1
3. 4  3  2  1
4. 4  1  3  2

17. ‘Quantum confinement is associated with 

1. telecommunication 
2. wireless technology 
3. photonics
4. nanotechnology 

18. Find the maximum velocity for the overturn of a car moving on a circular track of a radius of 100 m. The coefficient of friction between the road and tyre is 0.2

1. 0.14 m/s
2. 140 m/s
3. 1.4 m/s
4. 14 m/s

19. RADAR is used for 

1. locating submerged submarines 
2. receiving signals in a radio receiver 
3. detecting and locating the position of an object such as an aeroplane 
4. locating geostationary satellites 

20. Sound of frequency below 20hz is called 

1. audio sounds
2. Infrasonic 
3. ultrasonic 
4. Supersonic

21. Cobalt-60 is commonly used in radiation therapy because it emits 

1. α-rays 
2. β-rays
3. γ-rays
4. X-rays

22. The velocity of light in water is 3/4 of that in the air what is the refractive index of water?

1. 4/3
2. 3/4
3. 1/4
4. 0

23. A compound of light in water is 3/4 of that in the air what is the refractive index of water?

1. Mo / Me
2. Me / Mo
3. Mo + Me
4. Mo – Me

24. Force= mass x acceleration is got from

1. Newton’s II and law
2. Faraday’s law
3. Joule’s law
4. Coulomb’s law

25. For a concave mirror, the focal length is and the radius of curvature is 

1. positive, negative 
2. negative, positive 
3. negative, negative 
4. positive, positive 

ANSWER : 

1. (a) fusion
2. (a) electric potential
3. (c) polarization
4. (b) condenser
5. (a) Nm2c-1
6. (b) never intersect
7. (b) Snell
8. (d) An object at rest remains at rest unless acted upon by a net force
9. (d) 6 m/s
10. (d) Protons and neutrons
11. (b) real, inverted, and of the same size
12. (d) James Clerk Maxwell
13. (a) Both(A)and(R) are true and(R) is the correct explanation of(A)
14. (d) The frequency of a tuning fork
15. (a) 7
16. (c) 4  3  2  1
17. (d) nanotechnology
18. (d) 14 m/s
19. (c) detecting and locating the position of an object such as an aeroplane
20. (b) Infrasonic
21. (c) γ-rays
22. (a) 4/3
23. (d) Mo – Me
24. (a) Newton’s II and law
25. (c) negative, negative 

******* Wishing You Lots Of Luck! *******

​​

CHEMISTRY (General Science Questions Answers )

1. The long form of the periodic table is based on

1. valency 
2. Atomic number 
3. Atomic mass
4. Atomic radius

2. The conjugate base of NH4+

1. NH3
2. NH4OH
3. NH2
4. N2H4

3. Which among the following is known as a narcotic drug?

1. Aspirin
2. Ascorbic acid 
3. Morphine 
4. Penicillin

4. The isotope of 7N14 contains 

1. 7 electrons
2. 7 protons 
3. 7 neutrons 
4. All the above 

5. The metal generally mixed with gold while making ornaments is 

1. Copper
2. Iron
3. Zinc
4. Silver

6. A solution with pH=2 is more acidic than a solution of pH=6 by a factor of 

1. 4
2. 12
3. 400
4. 1000

7. Heavy water 

1. contains more dissolved air 
2. contains more dissolved minerals and salts
3. contains deuterium in place of hydrogen 
4. contains organic impurities 

8. Soap is prepared by heating caustic soda 

1. kerosene oil
2. linseed oil
3. petroleum 
4. almond oil 

9. Emission of which one of the following leaves both atomic number and mass number uncharged? 

1. positron 
2. Neutron 
3. Alpha particle 
4. Gamma rays

10. The most abundant gas in the atmosphere is 

1. carbon dioxide
2. Helium 
3. Nitrogen
4. Photosynthesis 

11. Consider the following statement 

1. Calcium is an alkaline earth metal 
2. Lithium is an alkaline metal 

Select the correct answer :

1. I am correct 
2. II is correct 
3. Both I and II are correct 
4. Both I and II are wrong

12. The value of the Avogadro number is 

1. 6.023 x 1022
2. 6.023 x 1023
3. 6.023 x 1024
4. 6.023 x 1025

13. ‘power alcohol is a mixture of 

1. ethyl alcohol + petrol
2. ethyl alcohol + methyl alcohol 
3. ethyl alcohol + propyl alcohol 
4. ethyl alcohol + benzene 

14. Molecular weight = (n) vapor density is 

1. 1 
2. 2
3. 3
4. 4

15. Producer gas chemically consists of 

1. CO+H2
2. CO+N2
3. CO2+N2
4. CO2+H2

16. Steel contains 

1. 0.1 to 2% carbon
2. 5 to 10% carbon
3. No carbon
4. 20% carbon

17. The temporary hardness of water is due to

1. Carbonates 
2. Sulfates
3. Bicarbonate of Ca and Mg 
4. Chlorides of Ca and Mg

18. Vinegar is an aqueous solution of 

1. Oxalic acid 
2. Citric acid
3. Acetic acid 
4. Hydrochloric acid 

19. Haemoglobin is 

1. The coloring matter of leaves and plants 
2. The coloring matter of blood
3. A compound present in milk
4. A compound that transmits signals to the brain

20. Carborundum is a compound of 

1. Ca 
2. Ge
3. Si
4. S

21. A saturated solution at a particular temperature 

1. is colorless 
2. Is highly coloured
3. Does not dissolve any more of the solid solute
4. Contains suspended solid particles 

22. Who was the inventor of atomic theory?

1. Ruther Ford
2. Madam Curie
3. John Dalton 
4. Albert Einstein

23. The purest form of water is 

1. rainwater 
2. heavy water
3. tap water
4. distilled water 

24. One mole of hydrogen gas burns more than oxygen to give 290KJ of heat. What is the amount of heat produced when 4G of hydrogen gas is burnt under the same conditions? 

1. 145KJ
2. 290KJ
3. 580KJ
4. 1160KJ

25. Boric acid is a/an

1. mild antiseptic 
2. germicide 
3. strong antiseptic 
4. antibiotic 

ANSWERS : 

1. (b) atomic number
2. (a) NH3
3. (c) Morphine
4. (d) all the above 
5. (a) Copper
6. (d) 1000
7. (c) contains deuterium in place of hydrogen
8. (b) linseed oil
9. (d) Gamma rays
10. (c) Nitrogen
11. (c) Both I and II are correct
12. (b) 6.023 x 1023
13. (a) ethyl alcohol + petrol
14. (b) 2
15. (a) NH3
16. (a) 0.1 to 2% carbon
17. (c) Bicarbonate of Ca and Mg
18. (c) Acetic acid
19. (b) The coloring matter of blood
20. (c) Si
21. (c) Does not dissolve any more of the solid solute
22. (c) John Dalton
23. (a) rainwater
24. (c) 580KJ
25. (a) mild antiseptic 

******* Wishing You Lots Of Luck! *******

Scholarships In Tamilnadu: List of Scholarships Name with Apply Links

BOTANY – General Science Questions Answers

1. The virus which attacks E.coli is termed 

1. Cyanophage
2. Mycophage
3. Coliphage
4. None of these

2. Which one of the following scientists is known as the father of modern genetics?

1. Gregor Mendel
2. Hargobind Khorana
3. T.H.Morgan 
4. Charles Darwin

3. Pasteurization of milk destroys its 

1. vitamin 
2. protein content 
3. Fat content 
4. pathogenic content

4. Bacterial action changes dead leaves into 

1. algae 
2. humus
3. fungi
4. None of these

5. Ribosomes in a cell play a significant role in 

1. lipid synthesis 
2. photo synthesis 
3. protein synthesis 
4. secretion 

6. Antibiotic penicillin is obtained from 

1. Bacteria 
2. Fungi
3. Yeasts
4. Algae

7. A nucleotide is made up of 

1. Phosphoric acid
2. Deoxyribose sugar
3. Nitrogenous bases

of these

1. I, II, and III
2. I and II
3. II and III
4. III alone 

8. The microbial world was discovered in the year 

1. 1763
2. 1367
3. 1673
4. 1667

9. The genotypic ratio of the monohybrid ratio is 

1. 1:2:1
2. 1:3
3. 1:1:1:1
4. 3:1

10. Atmospheric CO2 can be replaced by the process of 

1. transpiration 
2. evaporation 
3. photosynthesis 
4. respiration 

11. The ratio of 3:1 is obtained in 

1. dihybrid cross
2. Monohybrid cross
3. Crossing over
4. Mutation

12. Golgi bodies of plant cells are also called as

1. Cisternae bodies
2. Dictyosomes
3. Tubular bodies
4. Endoplasmic reticulum 

13. What drug experiments in the treatment of AIDS

1. TZA
2. AZT
3. CAT
4. ANC

14. Solar energy-trapping molecules are found in

1. Cristae
2. cisternae
3. Thylakoid 
4. Stroma 

15. The anaerobic decomposition of protein is called

1. putrefaction 
2. Nitrification
3. Denitrification 
4. Ammonification

16. TMV stands for 

1. Tobacco mosaic virus 
2. Tomato mosaic virus
3. Turnip mosaic virus
4. Tobacco multi-virus

17. Global warming is due to the release of this gas

1. Hydrogen
2. Oxygen
3. Carbon dioxide 
4. Nitrogen 

18. The structure of DNA was discovered by 

1. Watson and Crick
2. Hargobind khorana
3. Land Steiner
4. Gregor Mendel

19. The smallest angiosperm is 

1. Utricularia
2. Wolfie
3. Arabidopsis
4. Ceratophyllum

20. Which one of the following is a product of the dark reactions of photosynthesis?

1. ATP
2. NADH2
3. NADPH2
4. Sugar

21. The approximate percent of oxygen content in the air is 

1. 1 
2. 20
3. 60
4. 80

22. The mechanism of heredity was explained first by 

1. Medal
2. Morgan
3. Bateson
4. Punnet

23. Which of the following characteristics of the virus, best donates its unique nature?

1. It can attack bacteria 
2. It can be crystallized 
3. It can replicate 
4. It can invade the human body

Of these statements :

1. I, II, and III
2. II and III
3. I, III, and IV
4. III and IV

24. Absorption of water by plants takes place 

1. When the sun shines 
2. during photosynthesis is dark
3. All around the day 
4. When the atmosphere is dark 

25. When male and female flowers are born on different plants, the plant is said to be 

1. bisexual 
2. diecious
3. dichlamydeous
4. monoecious 

ANSWER : 

1. (c) Coliphage
2. (a) Gregor Mendel
3. (d) pathogenic content
4. (b) humus
5. (c) protein synthesis
6. (b ) fungi
7. (a) I, II, and III
8. (c) 1673
9. (c) 1:1:1:1
10. (c) photosynthesis
11. (b) Monohybrid cross
12. (b) Dictyosomes
13. (b) AZT
14. (a) Cristae
15. (c) Denitrification
16. (a) Tobacco mosaic virus
17. (c) Carbon dioxide
18. (a) Watson and Crick
19. (b) Wolfie
20. (d) sugar
21. (b) 20
22. (a) Medal
23. (a) I, II, and III
24. (a) When the sun shines
25. (c) monoecious

******* Wishing You Lots Of Luck! *******

What are Some of The Best Online Games to Play with Friends and Family

ZOOLOGY – general science questions and answers

1. If urea is tracked in blood at a significantly high level there is bound to be 

1. cardiac arrest
2. Liver damage 
3. kidney damage
4. intestinal hepatitis 

2. Haemoglobin is dissolved in the plasma of 

1. Frog 
2. Fish
3. Man
4. Earthworm 

3. Which of the following blood groups is considered a universal recipient?

1. O
2. AB
3. A
4. B

4. Excessive consumption of alcoholic drinks causes damage to the 

1. Liver 
2. Kidney
3. Heart
4. Lungs

5. The organ of the body that is mainly damaged in hepatitis is

1. lung 
2. liver
3. kidney 
4. brain 

6. Match the following  using the codes given:

Codes:

      A  B C D

1. 3  4  1  2 
2. 4  3  2  1
3. 1  2  4  3
4. 3  1  2  4

7. The volume of urine produced in an adult human every 24 hours is 

1. 1.0 lit
2. 1.5 lit
3. 3.0 lit
4. 5.0 lit

8. One micron unit of measure of length equals to 

1. 1/10000 cm
2. 1/1000 cm 
3. 1/10000 mm
4. 1/1000 mm

9. Blood cancer can be detected by 

1. 15P31
2. 15P32
3. 26Fe59
4. 11Na24

Choose the correct answer 

1. I only 
2. II only 
3. III only
4. IV and II only

10. In the following cross between parents, a child with a B blood group is not possible. Why?

1. Because one parent is ‘A’. Homozygous dominant to the other is ‘B’ heterozygous. Children with recessive ‘b’ will become ‘A’ because A is dominant. If the parent with ‘A’; the blood group is heterozygous dominant. Then only a child with a ‘B’ blood group is possible
2. Because parents with blood group ‘B’ is heterozygous 
3. Because parents with blood group ‘AB’ is homozygous 
4. Because parents with blood group ‘B’ is homozygous 

11. Insulin is secreted by 

1. Liver
2. Pancreas 
3. Kidney 
4. Thyroid

12. The cell undergoing a reduction division is called 

1. germ cell 
2. meiocyte
3. meiospore
4. oocyte

13. The number of chromosomes in a normal human cell is 

1. 43
2. 44
3. 45
4. 46

14. In human beings, sex is determined by the sex chromosomes X and Y what would, then, be the genetic constitution of a normal woman?

1. XO
2. XX
3. XY
4. YY

15. The 17th human chromosome is 

1. telecentric
2. metacentric
3. acrocentric
4. None of the above

16. Brain fever is spread to men by 

1. Housefly
2. mosquito 
3. Water
4. Air

17. The polio virus enters the body through 

1. mosquito virus 
2. Tick bites
3. contaminated food and water
4. Saliva and secretion from the nose 

18. How many chambers does a cow’s stomach have?

1. one 
2. Two
3. Three
4. Four 

19. The vitamin responsible for anti-sterile activity is 

1. vitamin K
2. vitamin E
3. vitamin B12
4. None of the above

20. Which of the following is common to both Aerobic and Anaerobic respiration?

1. Glycolysis
2. Kerb’s cycle
3. Alcoholic fermentation 
4. lactic acid fermentation 

21. The artificial kidney operates on the principle of 

1. diffusion 
2. osmosis
3. dialysis
4. active transport 

22. The least toxic of nitrogenous wastes is 

1. urea 
2. creatine 
3. uric acid
4. creatinine

23. Electrocardiogram records the functions of which body part?

1. Heart
2. Lungs
3. Kidney
4. Liver

24. The average length of human pregnancy is

1. 34-36 weeks
2. 36-38 weeks
3. 38-40 weeks
4. 34-40 weeks

25. The drug most widely tried against the AIDS virus is 

1. Didorudin (Azido thymidine)
2. Miconazole
3. Nonoxynol-9
4. Virazole

ANSWER :

1. (c) kidney damage
2. (d) Earthworm
3. (b) AB
4. (a) Liver
5. (b) liver
6. (a) 3  4  1  2
7. (b) 1.5 lit
8. (d) 1/1000 mm
9. (c) III only
10. (a) Because one parent is ‘A’. Homozygous dominant to the other is ‘B’ heterozygous. Children with recessive ‘b’ will become ‘A’ because A is dominant. If the parent with ‘A’; the blood group is heterozygous dominant. Then only a child with a ‘B’ blood group is possible
11. (b) Pancreas
12. (b) meiocyte
13. (d) 46
14. (b) XX
15. (c) acrocentric
16. (b) mosquito
17. (c) contaminated food and water
18. (c) Three
19. (b) vitamin E
20. (a) Glycolysis
21. (c) dialysis
22. (a) urea
23. (a) Heart
24. (b) 36-38 weeks
25. (a) Didorudin (Azido thymidine)

******* Wishing You Lots Of Luck! *******

Feel free to share your feedback on this quiz and question preparation for general science and share it with your students who looking for the same kind of general science questions and answers.