MATHEMATICAL KANGAROO - Registration open now | NEW SPARK OLYMPIAD- Registration open now | | NEW SPARK OLYMPIAD - Registration open now |

Ten Class Exam

sceince

1. Which law explains the behavior of gases under constant temperature?

Charles's Law

Boyle’s Law

Avogadro's Law

Newton's Law

2. What is the basic unit of heredity?

Chromosome

Gene

Nucleotide

Allele

3. What type of chemical reaction involves the exchange of ions between two compounds?

Synthesis

Decomposition

Single displacement

Double displacement

4. What is the main structural component of plant cell walls?

Starch

Cellulose

Glycogen

Protein

5. Which of the following is a scalar quantity?

Force

Velocity

Acceleration

Temperature

6. What is the pH range of a basic solution?

0-7

7-14

4-7

0-14

7. What is the main gas found in the Earth's atmosphere?

Oxygen

Carbon Dioxide

Nitrogen

Hydrogen

8. Which process in plants involves the conversion of carbon dioxide and water into glucose and oxygen?

Respiration

Photosynthesis

Fermentation

Transpiration

9. What is the most reactive metal in the periodic table?

Gold

Silver

Francium

Iron

10. Which law states that the pressure of a gas is inversely proportional to its volume at constant temperature?

Boyle’s Law

Charles's Law

Gay-Lussac's Law

Dalton's Law

11. What is the principle of superposition related to?

Quantum mechanics

Classical mechanics

Electromagnetism

Wave interference

12. What is the boiling point of water at sea level?

90°C

100°C

110°C

120°C

13. Which type of radiation is used in cancer treatment?

Ultraviolet

Microwave

Gamma rays

Infrared

14. What is the primary role of ribosomes in a cell?

DNA replication

Protein synthesis

Lipid production

Energy storage

15. What type of bond is formed between water molecules?

Ionic

Covalent

Metallic

Hydrogen

16. Which law of motion describes the relationship between force, mass, and acceleration?

Newton’s First Law

Newton’s Second Law

Newton’s Third Law

Law of Gravitation

17. What is the function of chlorophyll in photosynthesis?

Absorb carbon dioxide

Capture light energy

Produce glucose

Release oxygen

18. What is the chemical symbol for potassium?

P

Po

Pt

K

19.Which type of rock is formed from pre-existing rocks subjected to heat and pressure?

Sedimentary

Igneous

Metamorphic

Volcanic

20. Which of these processes is an example of chemical weathering?

Freezing and thawing

Oxidation

Erosion

Deposition

Click here for
ONLINE REGISTRATION FORM