SCERT D. El. Ed 2026 - Environmental Science (EVS)

SCERT D. El. Ed 2026 – Environmental Science

SCERT D. El. Ed 2026 – Environmental Science

Science & EVS – Part 5

Q1. Newton’s Second Law of motion is mathematically written as:
  • A. F = mv
  • B. F = ma
  • C. F = m/a
  • D. F = a/m
Correct Answer: B. F = ma
Q2. Which law explains why a swimmer pushes water backwards to move forward?
  • A. Newton’s First Law
  • B. Newton’s Second Law
  • C. Newton’s Third Law
  • D. Law of conservation of energy
Correct Answer: C. Newton’s Third Law
Q3. The tendency of a body to resist change in its state of motion is called:
  • A. Acceleration
  • B. Inertia
  • C. Friction
  • D. Tension
Correct Answer: B. Inertia
Q4. Which is a non-contact force?
  • A. Friction
  • B. Tension
  • C. Gravitational force
  • D. Push of hand
Correct Answer: C. Gravitational force
Q5. The energy possessed by a moving object is called:
  • A. Potential energy
  • B. Kinetic energy
  • C. Chemical energy
  • D. Nuclear energy
Correct Answer: B. Kinetic energy
Q6. The energy stored in an object due to its position above the ground is:
  • A. Kinetic energy
  • B. Gravitational potential energy
  • C. Sound energy
  • D. Heat energy
Correct Answer: B. Gravitational potential energy
Q7. The law of conservation of energy states that energy can be:
  • A. Created and destroyed
  • B. Neither created nor destroyed
  • C. Only destroyed
  • D. Only created
Correct Answer: B. Neither created nor destroyed
Q8. A swinging pendulum continuously converts:
  • A. Light to sound
  • B. Kinetic and potential energy
  • C. Heat to electricity
  • D. Sound to chemical energy
Correct Answer: B. Kinetic and potential energy
Q9. The rate of change of velocity of an object is called:
  • A. Speed
  • B. Acceleration
  • C. Force
  • D. Energy
Correct Answer: B. Acceleration
Q10. Velocity is:
  • A. Speed in a specified direction
  • B. Acceleration squared
  • C. Force per unit mass
  • D. Distance only
Correct Answer: A. Speed in a specified direction
Q11. The SI unit of speed is:
  • A. km/h
  • B. m/s
  • C. m
  • D. s
Correct Answer: B. m/s
Q12. Friction is a force that:
  • A. Causes the surfaces to attract
  • B. Opposes the relative motion between two surfaces
  • C. Increases speed
  • D. Reduces gravity
Correct Answer: B. Opposes the relative motion between two surfaces
Q13. Motion in a straight line is called:
  • A. Circular motion
  • B. Linear motion
  • C. Oscillatory motion
  • D. Rotational motion
Correct Answer: B. Linear motion
Q14. Energy carried by the flow of electric charge is:
  • A. Mechanical energy
  • B. Electrical energy
  • C. Sound energy
  • D. Light energy
Correct Answer: B. Electrical energy
Q15. Who discovered the cell in 1665?
  • A. Antonie van Leeuwenhoek
  • B. Robert Hooke
  • C. Schleiden
  • D. Schwann
Correct Answer: B. Robert Hooke
Q16. Cells without a true membrane-bound nucleus are called:
  • A. Eukaryotic
  • B. Prokaryotic
  • C. Metabolic
  • D. Symbiotic
Correct Answer: B. Prokaryotic
Q17. Which of the following is found only in plant cells?
  • A. Mitochondria
  • B. Cell wall
  • C. Nucleus
  • D. Ribosomes
Correct Answer: B. Cell wall
Q18. The cell wall of a plant cell is composed mainly of:
  • A. Chitin
  • B. Cellulose
  • C. Lipid
  • D. Protein
Correct Answer: B. Cellulose
Q19. The “powerhouse of the cell” is:
  • A. Ribosome
  • B. Nucleus
  • C. Mitochondrion
  • D. Lysosome
Correct Answer: C. Mitochondrion
Q20. Photosynthesis in plant cells occurs in:
  • A. Mitochondria
  • B. Ribosomes
  • C. Chloroplasts
  • D. Lysosomes
Correct Answer: C. Chloroplasts
Q21. The control centre of the cell is the:
  • A. Cell membrane
  • B. Nucleus
  • C. Cytoplasm
  • D. Vacuole
Correct Answer: B. Nucleus
Q22. Ribosomes are the sites of:
  • A. Photosynthesis
  • B. Protein synthesis
  • C. Respiration
  • D. Lipid storage
Correct Answer: B. Protein synthesis
Q23. Which organelle contains digestive enzymes that break down worn-out parts of the cell?
  • A. Mitochondrion
  • B. Lysosome
  • C. Golgi body
  • D. Vacuole
Correct Answer: B. Lysosome
Q24. The cell theory was proposed by:
  • A. Hooke and Leeuwenhoek
  • B. Schleiden and Schwann
  • C. Mendel and Morgan
  • D. Watson and Crick
Correct Answer: B. Schleiden and Schwann
Q25. Which structure controls what enters and leaves the cell?
  • A. Cell wall
  • B. Cell membrane
  • C. Nucleolus
  • D. Vacuole
Correct Answer: B. Cell membrane
Q26. Which of the following has the largest central vacuole?
  • A. Animal cell
  • B. Plant cell
  • C. Bacterial cell
  • D. Virus
Correct Answer: B. Plant cell
Q27. The Golgi apparatus mainly:
  • A. Synthesises ATP
  • B. Modifies and packages proteins
  • C. Stores DNA
  • D. Performs photosynthesis
Correct Answer: B. Modifies and packages proteins
Q28. The SI unit of force is:
  • A. Joule
  • B. Newton
  • C. Watt
  • D. Pascal
Correct Answer: B. Newton
Q29. Newton’s First Law of motion is also known as the law of:
  • A. Action-reaction
  • B. Inertia
  • C. Acceleration
  • D. Momentum
Correct Answer: B. Inertia

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