Class 7th Science MCQs for Online Test Preparation

If you are looking to find the latest Class 7th Science MCQs for Online Test Preparation. Below are all class 7th science MCQs chapter-wise solved with answers. All these Multiple Choices Questions are helpful for all competitive exams and tests. 

Class 7th Science MCQs for Online Test Preparation

Check the table of contents, so you can easily jump to a particular chapter and you can easily view all Multiple Choice Questions. 

Table of Contents : Class 7th General Science MCQs (Solved)

Class 7th Science Chapter 1 MCQs

1: When different tissues are combined they make_______.

  • a) An organ 
  • b) A system 
  • c) A body 
  • d) None of these 

a) An organ

2: Salivary glands are found in_________ 

  • a) Stomach 
  • b) Liver 
  • c) Mouth 
  • d) Esophagus 

c) Mouth

3: The walls of _______ secrete hydrochloric acid and enzymes pepsin.

  • a) Lungs 
  • b) Stomach 
  • c) Liver 
  • d) Kidney 

b) Stomach

4: The part of the stomach which absorb the nutrients is known as:

  • a) Villi 
  • b) Mucosa
  • c) Serosa
  • d) Antrum

a) Villi

5: Usually undigested food is stored in ________ for sometime.

  • a) Small intestine 
  • b) Large intestine 
  • c) Pancreas 
  • d) Esophagus 

b) Large intestine

6: The mechanical and chemical breakdown of complex food components into simple components is done through:

  • a) Respiration 
  • b) Circulation 
  • c) Reproduction 
  • d) Digestion 

d) Digestion

7: ______ breakdown proteins, carbohydrates, and fats.

  • a) Ptylin 
  • b) HCl
  • c) Bile 
  • d) Pancreatic Juice

d) Pancreatic Juice

8: Common disorder of our digestive system is:

  • a) Blood Sugar 
  • b) Diarrhea 
  • c) Pneumonia 
  • d) Flu 

b) Diarrhea

9: The process of taking the air is called_______.

  • a) Inhalation 
  • b) Exhalation 
  • c) Both a and b 
  • d) None of these 

a) Inhalation

10: The larynx is also known as:

  • a) Oral Cavity 
  • b) Sound Box 
  • c) Trachea 
  • d) Nasal Cavity 

b) Sound Box

Class 7th Science Chapter 2 MCQs

11: Human lungs consist of about seven hundred million __________.

  • a) Ribs 
  • b) Alvoli 
  • c) Bronchi 
  • d) None of them 

b) Alvoli

12: ______ are the common causes of Pneumonia.

  • a) Bacteria 
  • b) Viruses 
  • c) Fungi 
  • d) None of these 

a) Bacteria

13: The organ which does not produce any digestive secretion is:

  • a) Liver 
  • b) Pancreas 
  • c) Stomach 
  • d) Kidney 

d) Kidney

14: Our heart is covered by a tough double membrain called____________.

  • a) Pericardium 
  • b) Auricles 
  • c) Aorta 
  • d) None of above 

a) Pericardium

15: ________ are responsibe to take blood away from heart.

  • a) Veins 
  • b) Arteries 
  • c) Both 
  • c) None 

b) Arteries

16: The largest vein is called________ 

  • a) Aorta 
  • b) Atrium 
  • c) Vena Cava 
  • d) Ventricle 

c) Vena Cava

17: Deoxygenated blood remain in the________ chamber of heart.

  • a) Right 
  • b) Left 
  • c) Both 
  • d) None above 

a) Right

18: Transport system of plant is comprised of:

  • a) Root 
  • b) Stem 
  • c) Leaves 
  • d) All of these 

d) All of these

19: ________ prepare food for plant by the process of photsynthesis.

  • a) Roots 
  • b) Stem 
  • c) Leaves 
  • d) None of these 

c) Leaves

20: Which one from the following is a pumping organ in our body?

  • a) Kidneys 
  • b) Heart
  • c) Stomach 
  • d) Liver 

b) Heart

Class 7th Science Chapter 3 MCQs

21: The reproductive system in Sponges is:

  • a) Sexual 
  • b) Asexual 
  • c) Both a and b 
  • d) None of above 

b) Asexual

22: The male sex organ of the flower is known as___________.

  • a) Stamen 
  • b) Carpels 
  • c) Sepal 
  • d) Petals

a) Stamen

23: The part of the flower which attracts the insects toward a flower is:

  • a) Calyx 
  • b) Corolla 
  • c) Androecium 
  • d) Gynoecium 

b) Corolla

24: Which one from the following is/are agents of pollination?

  • a) Water 
  • b) Wind 
  • c) Insects 
  • d) All of these 

d) All of these

25: Water, Soil, Light and Wind are _________ components of our ecosystem.

  • a) Biotic 
  • b) Abiotic 
  • c) Both 
  • d) None of these 

b) Abiotic

26: In our ecosystem all the green plants are:

  • a) Producers 
  • b) Consumers 
  • c) Herbivores 
  • d) Omniores 

a) Producers

27: The living place of an organism is called_____.

  • a) Environment 
  • b) Specice 
  • c) Habitat 
  • d) Ecosystem 

c) Habitat

28: All human beings are:

  • a) Carnivores 
  • b) Herbivores 
  • c) Omnivores 
  • d) All of above 

c) Omnivores

29: Water cover about ______ of the Earth surface.

  • a) 29%
  • b) 50%
  • c) 60%
  • d) 70% 

d) 70%

30: The word atom is derived from the Greek word________.

  • a) Atym 
  • b) Atomos 
  • c) Atoym
  • d) Item 

b) Atomos

Class 7th Science Chapter 4 MCQs

31: The central core of an atom is called______.

  • a) Proton
  • b) Nutron 
  • c) Nucleus 
  • d) Electron 

c) Necleus

32: _______ are the lighest sub-atomic particles.

  • a) Electrons 
  • b) Protons
  • c) Nutrons 
  • d) None of these 

a) Electrons

33: The element Helium is a _______ molecule.

  • a) one-atom
  • b) two-atoms
  • c) three-atoms
  • d)four-atoms 

a) one-atom

34: Total number of particles presents in the Nucleus of an atom is known as_______.

  • a) Atomic Mass
  • b) Mass Number 
  • c) Electronic Configration 
  • d) Isotopes 

b) Mass Number

35: Atomic number of Phosphorus is:

  • a) 12 
  • b) 14 
  • c) 15 
  • d) 16

c) 15

36: The valence of the element depends on the number of valence_________.

  • a) Electrons 
  • b) Protons 
  • c) Neutrons
  • d) None of above 

a) Electrons

36: An atom or group of atoms in which the number of electrons and protons are not equal is called__________ 

  • a) Natural 
  • b) Ion 
  • c) Compound 
  • d) Isotopes 

b) Ion

37: The chemical formula of Nitric acid is: 

  • a) NH3
  • b) HNO3
  • c) NAOH
  • d) NH2

b) HNO3

38: The mass number of Sodium is:

  • a) 11 
  • b) 13 
  • c) 25 
  • d) 23 

d) 23

39: The process in which the chemical composition of substances does not change are called_____.

  • a) Physical Change 
  • b) Chemical Change 
  • c) Both a and b
  • d) None of these 

a) Physical Change

40: In the following process which one is a chemical change?

  • a) Boiling of Water 
  • b) Burning of natural gas
  • c) Melting of Plastic
  • d) Melting of Ice 

b) Burning of natural gas

Class 7th Science Chapter 5 MCQs

41: Hydrocarbons are those compounds that are made by:

  • a) Carbon and Oxygen 
  • b) Carbon and Chlorine 
  • c) Carbon and Nitrogen 
  • d) Carbon and Hydrogen 

d) Carbon and Hydrogen

42: NH4NO3 is the chemical formula of:
  • a) Ammonium Sulphate
  • b) Ammonium Nitrate
  • c) Amonia
  • d) Nitric Acids

Ammonium Nitrate

43: Natural gas, petrol, and diesel are:

  • a) Hydrocarbons 
  • b) Fertilizers 
  • c) Polymers 
  • d) None of these 

a) Hydrocarbons

44: We can make soap from:

  • a) Oil only 
  • b) Fats only 
  • c) Fats and Protein 
  • d) Fats and Oils 

d) Fats and Oils

45: All those materials which do not allow heat to flow through them easily are called_______.

  • a) Conductors 
  • b) Insulators 
  • c) Super Conductors 
  • d) None of above 

b) Insulators

46: Which of the following is the type of heat transfer?

  • a) Conduction 
  • b) Convection 
  • c) Radiation 
  • d) All of these 

d) All of these

47: Convection occurs only in______ materials.

  • a) Liquids and Solids 
  • b) Solids and Gases 
  • c) Liquids and Gases 
  • d) Solids and Liquids 

c) Liquids and Gases

48: The medium in which light travels faster is knowns as________.

  • a) Rare medium 
  • b) Dense medium 
  • c) Both a and b
  • d) None of above 

a) Rare medium

49: The speed of light in ______ is 2×10 m/s.

  • a) Water
  • b) Air
  • c) Glass
  • d) Vacuum

c) Glass

50: ______ is normally used in tanks and submarines.

  • a) Periscope 
  • b) Telescope 
  • c) Microscope
  • d) Prisims 

a) Periscope

Class 7th Science Chapter 6 MCQs

51: Which of the combination of the following colors are called primary colors of light?

  • a) blue, white, and red 
  • b) white, green, and yellow
  • c) cyan, white, and red 
  • d) red, green, and blue 


d) red, green, and blue

52: The refraction index of ice is:

  • a) 1.36
  • b) 1.47
  • c) 1.31
  • d) 1.43 

c) 1.32

53: Which one has the highest refractive index?

  • a) Water
  • b) Kerosene Oil
  • c) Ice 
  • d) Diamond 

d) Diamond

54: Speed of sound wave in Blood at 37°C is:

  • a) 332 m/s
  • b) 153 m/c
  • c) 5130 m/s
  • d) 1570 m/s

d) 1570 m/s

55: The distance between two consecutive crests or troughs of a transverse wave is calle______.

  • a) Amplitude 
  • b) Wavelenght 
  • c) Pitch 
  • d) Loudness


56: The number of complete cycles produced in one second is called______ of the wave.

  • a) Frequency 
  • b) Velocity 
  • c) Time period
  • d) Pitch 

a) Frequency

57: The S.I unit for measuring the velocity of a wave is:

  • a) Centimeter Per Second 
  • b) Meter Per Second 
  • c) Kilometer Per Second 
  • d) Multimeter Per Second 

b) Meter Per Second

58: Loudness of a sound depends upon:

  • a) Arc of vibrating body 
  • b) Amplitude of vibrating body 
  • c) Distance fromm the vibrating body 
  • d) All of these 

d) All of these

59: In the following worst media for the transmission of a sound wave is:

  • a) Water 
  • b) Wood 
  • c) Vacuum 
  • d) Iron 

c) Vaccum

60: The electric wires become very hot when electric current passed through it such process is called____________.

  • a) Magnetic effect of current   
  • b) Chemical effect of current 
  • c) Heating effect of current 
  • d) None of these 

c) Heating effect of current

Class 7th Science Chapter 7 MCQs

61: Charge in motion produce_______.

  • a) Energy 
  • b) Voltage 
  • c) Circuit 
  • d) Current 

d) Current

62: Clusters of stars is known as:

  • a) Galaxies 
  • b) Black Hole
  • c) Big-bang 
  • d) None of above 

a) Galaxies

63: The Big-bang theory of the origin of the universe was proposed by:

  • a) Einstien 
  • b) Edwin Hubble 
  • c) Newton 
  • d) Neil Armstrong 

b) Edwin Hubble

64: Which of the following bodies have their own light?

  • a) Earth 
  • b) Moon 
  • c) Stars 
  • d) None of above 

c) Stars

65: Stars are made up of vast clouds of _____ gas, some Helium, and dust. 

  • a) Carbon 
  • b) Hydrogen 
  • c) Nitrogen 
  • d) Oxygen 

b) Hydrogen

66: One light-year is the distance covered by light in _________ year.

  • a) One 
  • b) Ten 
  • c) Hundred 
  • d) Million 

a) One

67: Light rays travel at a speed of ______ km/second.

  • a) 3000
  • b) 30000
  • c) 300000
  • d) 3000000

c) 300000

68: The light from the Sun reaches the Earth in about______ minutes.

  • a) 6  
  • b) 8
  • c) 18 
  • d) 32 

b) 8

69: The Milky Way Galaxy contains about _______ stars.

  • a) One Million
  • b) Hundred Billion 
  • c) Ten Thousand Million 
  • d) Fifty Million 

b) Hundred Billion

70: The Sun is powered by fusion reaction using ______ as its nuclear fuel. 

  • a) Clorine 
  • b) Oxygen 
  • c) Carbon 
  • d) Hydrogen 

d) Hydrogen

MCQs Topics

We have broadly covered the following important topics of Class 7th General Science for all these MCQs. 

  1. Human Organ System MCQs 
  2. Transport in Humans and Plants MCQs
  3. Reproduction in Plants MCQs 
  4. Water MCQs
  5. Structure of Atom MCQs 
  6. Physical and Chemical Changes MCQs 
  7. Transmission of Heat MCQs 
  8. Sound Wave MCQs 
  9. Circuits and Electric Current MCQs 
  10. Sund Waves MCQs 
  11. Space MCQs



Question: Are these Class  7th Science MCQs are important for Recruitment of Teaching Cadres Posts in Elementary & Secondary Education Department Govt of Khyber Pakhtunkhwa – 2021? 

Answer: Yes, If you are looking to find the best Science Online MCQs for ETEA Teaching Cadres Post like: 

  • PST General Science MCQs for ETEA Test 
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  • DM Post Science MCQs for ETEA Test 
  • AT Post Science MCQs for ETEA Test Preparation 
  • ETEA TT Post Science MCQs 
  • CT-IT Test Science MCQs with Answers

Question: Where Can I find Science  MCQs for Jobs? 

Answer: If you have applied for Tests like ETEA Test, NTS Test, PTS Test, KPPSC, FPSC, BPSC, CSS, PMS, PPSC, etc all these General Science MCQs will also help you in all these Tests. 

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