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100 General Science Questions Along with Answers | FREE

General science is an engaging field to be pursued by many students around the world.  General Science questions for all ages may help to increase their interest in learning science and helps to enhance their knowledge. In this Q&A, science is split into 4 branches: physics, chemistry, botany, and zoology. Here the quiz consists of 100 multiple-choice questions about General science. We suggest you take time to complete the test. As we provide the answers for acknowledgment.

 

 

 

 

Importance of Science Questions and Answers

A Science Q&A can be an important tool for assessing and reinforcing knowledge in the field of Science. Here are some reasons why Science quizzes are important:

  1. Assessment: Q&A can be used to assess the level of knowledge a student has in a particular topic or subject area. This can help the student identify areas where they need to improve their understanding and focus their studies.
  2. Reinforcement: Q&A can reinforce the information that has been learned in a classroom or through self-study. By testing one’s knowledge through a quiz, the information becomes more memorable and is more likely to be retained in the long term.
  3. Motivation: Science Q&A can be motivating for students, as they provide a sense of achievement and can be used as a benchmark for progress. This can encourage students to continue their studies and take an interest in the subject.
  4. Competition: Q&A can be competitive, which can add an element of fun and excitement to the learning process. This can also help students to develop their teamwork and communication skills, as they work together to answer questions.
  5. Learning through mistakes: Science Q&A can be a way to learn from mistakes. By identifying incorrect answers, students can revisit and reinforce their understanding of the correct information.

Overall, Science Q&A can be an important tool for assessing, reinforcing, and motivating students to learn and excel in Science.

General Science Q&A

PHYSICS Quiz Questions

  1. The source of solar energy is
  1. fusion 
  2. fission
  3. radiation
  4. conduction 
  1. Work done in moving a unit positive charge from an infinity particular point in an electric field is

 

  1. electric potential 
  2. electric field intensity
  3. electric lines
  4. electric forces
  1. 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
  1. A device used for string charges is
  1. resistor 
  2. condenser 
  3. inductor 
  4. Insulator
  1. The unit for electric flux is 

 

  1. Nm2c-1
  2. Nmc-2
  3. Nmc-1
  4. N2mc-1
  1. Electric lines of force

 

  1. interest each other
  2. never intersect
  3. interest at finite
  4. are always parallel
  1. Sin i/ sin was stated by 

 

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

 

 

  1. 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 
  1. 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

  1. The nucleus of an atom has
  1. Electrons
  2. Protons
  3. Protons and neutrons
  4. Electron and protons 
  1. 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
  1. 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
  1. Consider the following statements :

 

Assertion (A): Metals and glass are isotropic in nature

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
  1. Sanometer can be used to determine 

 

  1. Nodes
  2. Actinides
  3. Pitch 
  4. The frequency of a tuning fork 
  1. PH of neutral water is 

 

  1. 7
  2. 0
  3. 14
  4. 1
  1. Match the following 

 

List-1  List-2 
(A) moment of linear momentum
  1. Buoyancy
(B) the ability of the free surface of a liquid to minimize its surface area 2. Potential 
(C) work done per unit charge 3. Surface Tension
(D) the upward force experienced by a body when wholly or partially  immersed  in a fluid  4. Angular momentum 

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
  1. ‘Quantum confinement is associated with 

 

  1. telecommunication 
  2. wireless technology 
  3. photonics
  4. nanotechnology 
  1. Find the maximum velocity for the overturn of a car moving on a circular track of radius 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
  1. RADAR is used for 

 

  1. locating submerged submarines 
  2. receiving a signal in a radio receiver 
  3. detecting and locating the position of objects such as airplane 
  4. locating geostationary satellites 
  1. Sound of frequency below 20hz is called 

 

  1. audio sounds
  2. Infrasonic 
  3. ultrasonic 
  4. Supersonic
  1. Cobalt-60 is commonly used in radiation therapy because it emits 

 

  1. α-rays 
  2. β-rays
  3. γ-rays
  4. X-rays
  1. 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
  1. What is the principle behind hydraulic brakes used in automobiles?

 

  1. Bernoulli’s Theorem
  2. Pascal’s Law
  3. Newton’sLaw
  4. Archimedes’ Principle
  1. 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
  1. 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 

Physics Quiz Question’s 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 turning 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 objects such as airplane
  20. (b) Infrasonic
  21. (c) γ-rays
  22. (a) 4/3
  23. (b) Pascal’s Law
  24. (a) Newton’s II and law
  25. (c) negative, negative 

 

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

​​

General Science Q&A

CHEMISTRY Quiz Questions

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

 

  1. valency 
  2. Atomic number 
  3. Atomic mass
  4. Atomic radius
  1. The conjugate base of NH4+

 

  1. NH3
  2. NH4OH
  3. NH2
  4. N2H4
  1. Which among the following is known as a narcotic drug?

 

  1. Aspirin
  2. Ascorbic acid 
  3. Morphine 
  4. Penicillin
  1. The isotope of 7N14 contains 

 

  1. 7 electrons
  2. 7 protons 
  3. 7 neutrons 
  4. All the above 
  1. The metal generally mixed with gold while making ornaments is 

 

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

 

  1. contains more dissolved air 
  2. contains more dissolve minerals and salts
  3. contains deuterium in place of hydrogen 
  4. contains organic impurities 
  1. Soap is prepared by heating caustic soda 

 

  1. kerosene oil
  2. linseed oil
  3. petroleum 
  4. almond oil 
  1. 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
  1. The most abundant gas in the atmosphere is 

 

  1. carbon dioxide
  2. Helium 
  3. Nitrogen
  4. Photosynthesis 
  1. Consider the following statement 

 

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

Select the correct answer :

 

  1. I is correct 
  2. II is correct 
  3. Both I and II are correct 
  4. Both I and II are wrong
  1. The value of Avogadro’s number is 

 

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

 

  1. ‘power alcohol’ is a mixture of 
  1. ethyl alcohol + petrol
  2. ethyl alcohol + methyl alcohol 
  3. ethyl alcohol + propyl alcohol 
  4. ethyl alcohol + benzene 
  1. Molecular weight = (n) vapour density is 

 

  1. 1 
  2. 2
  3. 3
  4. 4
  1. Producer gas chemically consists of 

 

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

 

  1. 0.1 to 2% carbon
  2. 5 to 10% carbon
  3. No carbon
  4. 20% carbon
  1. The temporary hardness of water is due to

 

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

 

  1. Vinegar is an aqueous solution of 

 

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

 

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

 

  1. Ca 
  2. Ge
  3. Si
  4. S
  1. A saturated solution at a particular temperature 

 

  1. is colourless 
  2. Is highly coloured
  3. Does not dissolve any more of the solid solute
  4. Contains suspended solid particles 
  1. Who was the inventor of atomic theory?

 

  1. Ruther Ford
  2. Madam Curie
  3. John Dalton 
  4. Albert Einstein
  1. The purest form of water is 

 

  1. rainwater 
  2. heavy water
  3. tap water
  4. distilled water 
  1. One mole of hydrogen gas burn in excess of 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
  1. Boric acid is a/an

 

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

CHEMISTRY Quiz Question’s 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 colouring 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! *******

 

 General Science Q&A

BOTANY Quiz Questions

 

  1. The virus which attacks E.coli is termed 

 

  1. Cyanophage
  2. Mycophage
  3. Coliphage
  4. None of these
  1. 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
  1. Pasteurization of milk destroys its 

 

  1. vitamin 
  2. protein content 
  3. Fat content 
  4. pathogenic content
  1. Bacterial action changes dead leaves into 

 

  1. algae 
  2. humus
  3. fungi
  4. None of these
  1. Ribosomes in a cell play a significant role in 

 

  1. lipid synthesis 
  2. photo synthesis 
  3. protein synthesis 
  4. secretion 
  1. The antibiotic penicillin is obtained from 

 

  1. Bacteria 
  2. Fungi
  3. Yeasts
  4. Algae
  1. 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 
  1. The microbial world was discovered in the year 
  1. 1763
  2. 1367
  3. 1673
  4. 1667
  1. The genotypic ratio of monohybrid ratio is 
  1. 1:2:1
  2. 1:3
  3. 1:1:1:1
  4. 3:1

 

 

  1. Atmospheric CO2 can be replaced by the process of 
  1. transpiration 
  2. evaporation 
  3. photosynthesis 
  4. respiration 
  1. The ratio of 3:1 is obtained in 

 

  1. dihybrid cross
  2. Monohybrid cross
  3. Crossing over
  4. Mutation
  1. Golgi bodies of plants cells are also called as

 

  1. Cisternae bodies
  2. Dictyosomes
  3. Tubular bodies
  4. Endoplasmic reticulum 
  1. What drug has been experimented with in the treatment of AIDS

 

  1. TZA
  2. AZT
  3. CAT
  4. ANC
  1. Solar energy-trapping molecules are found in

 

  1. Cristae
  2. cisternae
  3. Thylakoid 
  4. Stroma 
  1. The anaerobic decomposition of protein is called

 

  1. putrefaction 
  2. Nitrification
  3. Denitrification 
  4. Ammonification
  1. TMV stands for 

 

  1. Tobacco mosaic virus 
  2. Tomato mosaic virus
  3. Turnip mosaic virus
  4. Tobacco multi-virus
  1. Global warming is due to the release of this gas

 

  1. Hydrogen
  2. Oxygen
  3. Carbon dioxide 
  4. Nitrogen 
  1. The structure of DNA was discovered by 

 

  1. Watson and Crick
  2. Hargobind khorana
  3. Land Steiner
  4. Gregor Mendel
  1. The smallest angiosperm is 

 

  1. Utricflaria
  2. Wolfia
  3. Arabidopsis
  4. Ceretophyllum
  1. Which one of the following is a product of the dark reactions of photosynthesis?

 

  1. ATP
  2. NADH2
  3. NADPH2
  4. Sugar
  1. The approximate percent of oxygen content in the air is 

 

  1. 1 
  2. 20
  3. 60
  4. 80
  1. The mechanism of heredity was explained first by 

 

  1. Mendal
  2. Morgan
  3. Bateson
  4. Punnet
  1. Which of the following characteristics of a 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
  1. 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 
  1. When male and female flowers are born on different plants, the plant is said to be 

 

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

BOTANY Quiz Question’s 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) Wolfia
  20. (d) sugar
  21. (b) 20
  22. (a) Mendal
  23. (a) I, II, and III
  24. (a) when the sun shines
  25. (c) monoecious

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

General Science Q&A

ZOOLOGY Quiz Questions

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

 

  1. cardiac arrest
  2. Liver damage 
  3. kidney damage
  4. intestinal hepatitis 
  1. Haemoglobin is dissolved in the plasma of 

 

  1. Frog 
  2. Fish
  3. Man
  4. Earthworm 

 

  1. Which of the following blood group is considered a universal recipient?

 

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

 

 

  1. Excessive consumption of alcoholic drinks causes damage to the 

 

  1. Liver 
  2. Kidney
  3. Heart
  4. Lungs
  1. The organ of the body which is mainly damaged in hepatitis is

 

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

 

 

6.match the following  using the codes given:

 

List -1 List -2
(A) kidney 1) digestion of food material 
(B) plasma membrane 2) protein synthesis 
(C) lysosome 3) Bowman’s capsule
(d) ribosome 4) permeability 

 

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

 

 

  1. 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

 

 

  1. 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

 

  1. 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

 

  1. In the following cross between parents a child with 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 child with ‘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 
  1. Insulin is secreted by 

 

  1. Liver
  2. Pancreas 
  3. Kidney 
  4. Thyroid
  1. The cell undergoing a reduction division is called 

 

  1. germ cell 
  2. meiocyte
  3. meiospore
  4. oocyte
  1. The number of chromosomes in a normal human cell is 

 

  1. 43
  2. 44
  3. 45
  4. 46
  1. 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
  1. The 17th human chromosome is 

 

  1. telecentric
  2. metacentric
  3. acrocentric
  4. None of the above
  1. Brain fever is spread to men by 

 

  1. Housefly
  2. mosquito 
  3. Water
  4. Air
  1. 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 
  1. How many chambers does a cow’s stomach have?

 

  1. one 
  2. Two
  3. Three
  4. Four 
  1. The vitamin responsible for the anti-sterile activity is 

 

  1. vitamin K
  2. vitamin E
  3. vitamin B12
  4. None of the above
  1. 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 
  1. The artificial kidney operates on the principle of 

 

  1. diffusion 
  2. osmosis
  3. dialysis
  4. active transport 
  1. The least toxic of nitrogenous wastes is 

 

  1. urea 
  2. creatine 
  3. uric acid
  4. creatinine
  1. Electrocardiogram records the functions of which body part?

 

  1. Heart
  2. Lungs
  3. Kidney
  4. Liver
  1. The average length of human pregnancy is

 

  1. 34-36 weeks
  2. 36-38 weeks
  3. 38-40 weeks
  4. 34-40 weeks
  1. The drug most widely tried against the AIDS virus is 

 

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

ZOOLOGY Quiz Question’s 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 child with ‘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! *******

 

Looking for a fun and challenging way to test your knowledge of general science? Check out our 100 questions along with answers! From biology to physics and everything in between, these questions will put your science know-how to the test. Perfect for students, educators, and science enthusiasts alike. 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.

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