TNPSC Group II & IIA
Unit I: General Science – Practice Quiz
20 MCQs | Click the correct answer
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1. Who is known as the Father of Genetics?
A) Charles Darwin
B) Gregor Mendel
C) Isaac Newton
D) Albert Einstein
2. What is the chemical formula of water?
A) CO₂
B) H₂O
C) NaCl
D) O₂
3. Deficiency of Vitamin C causes which disease?
A) Night Blindness
B) Beriberi
C) Scurvy
D) Rickets
4. Newton’s Second Law of Motion is represented by which formula?
A) F = ma
B) V = IR
C) E = mc²
D) P = mv
5. Which of the following is a greenhouse gas?
A) Oxygen
B) Carbon dioxide (CO₂)
C) Nitrogen
D) Hydrogen
6. The pH value of pure water is:
7. Which planet is known as the largest planet in the Solar System?
A) Earth
B) Saturn
C) Jupiter
D) Neptune
8. Ohm’s Law is related to which of the following?
A) Gravity
B) Electricity
C) Sound
D) Light
9. Deficiency of Iron in the human body causes:
A) Anaemia
B) Goitre
C) Scurvy
D) Rickets
10. Which gas is mainly responsible for Ozone layer depletion?
A) Carbon dioxide
B) Methane
C) Chlorofluorocarbons (CFCs)
D) Oxygen
11. Kinetic Energy is given by the formula:
A) mgh
B) ½ mv²
C) F × s
D) V × I
12. Which of the following is NOT a communicable disease?
A) Tuberculosis
B) Malaria
C) Diabetes
D) COVID-19
13. Who proposed the Theory of Natural Selection?
A) Charles Darwin
B) Gregor Mendel
C) Louis Pasteur
D) Aristotle
14. Which of the following is an example of a compound?
A) Oxygen
B) Common Salt (NaCl)
C) Gold
D) Iron
15. Laser is commonly used in:
A) Pressure cooker
B) Barcode scanners and surgery
C) Refrigerator
D) Electric motor
16. The process by which green plants prepare their food is called:
A) Photosynthesis
B) Respiration
C) Digestion
D) Transpiration
17. Which of the following is a non-renewable resource?
A) Solar energy
B) Wind energy
C) Petroleum
D) Hydropower
18. Article 51A(h) of the Indian Constitution deals with:
A) Right to Education
B) Development of Scientific Temper
C) Right to Equality
D) Freedom of Speech
19. Which ISRO mission is related to the study of the Sun?
A) Chandrayaan
B) Gaganyaan
C) Aditya-L1
D) Mangalyaan
20. Five Kingdom Classification was proposed by:
A) Charles Darwin
B) R.H. Whittaker
C) Carolus Linnaeus
D) Gregor Mendel
