Class 8th Science Question Paper
Total Marks: 100
Time Allowed: 3 Hours
Units Covered: Ecology, Human Nervous System, Periodic Table of Elements, Acids, Bases and
Salts, Force and Pressure
SECTION A: Multiple Choice Questions (20 Marks)
Choose the correct option for each question. (1 mark each)
Unit 1: Ecology
1. The term "ecology" was coined by:
o A) Charles Darwin
o B) Ernst Haeckel
o C) Jean-Baptiste Lamarck
o D) Gregor Mendel
2. All living organisms present in a specific area together form a:
o A) Population
o B) Community
o C) Ecosystem
o D) Biosphere
3. Which of the following is an abiotic component of an ecosystem?
o A) Plants
o B) Animals
o C) Temperature
o D) Bacteria
4. Every food chain primarily begins with a:
o A) Primary Consumer
o B) Producer
, o C) Decomposer
o D) Herbivore
Unit 2: Human Nervous System
5. The basic structural and functional unit of the nervous system is the:
o A) Nephron
o B) Neuron
o C) Alveolus
o D) Red Blood Cell
6. The brain is safely protected inside the structure known as the:
o A) Ribcage
o B) Cranium (Skull)
o C) Vertebral Column
o D) Sternum
7. An immediate, involuntary reflex action is controlled by the:
o A) Cerebrum
o B) Spinal Cord
o C) Heart
o D) Medulla Oblongata
8. Which part of the brain coordinates muscle movements and maintains
posture/balance?
o A) Cerebrum
o B) Cerebellum
o C) Medulla
o D) Pons
Unit 3: Periodic Table of Elements
Total Marks: 100
Time Allowed: 3 Hours
Units Covered: Ecology, Human Nervous System, Periodic Table of Elements, Acids, Bases and
Salts, Force and Pressure
SECTION A: Multiple Choice Questions (20 Marks)
Choose the correct option for each question. (1 mark each)
Unit 1: Ecology
1. The term "ecology" was coined by:
o A) Charles Darwin
o B) Ernst Haeckel
o C) Jean-Baptiste Lamarck
o D) Gregor Mendel
2. All living organisms present in a specific area together form a:
o A) Population
o B) Community
o C) Ecosystem
o D) Biosphere
3. Which of the following is an abiotic component of an ecosystem?
o A) Plants
o B) Animals
o C) Temperature
o D) Bacteria
4. Every food chain primarily begins with a:
o A) Primary Consumer
o B) Producer
, o C) Decomposer
o D) Herbivore
Unit 2: Human Nervous System
5. The basic structural and functional unit of the nervous system is the:
o A) Nephron
o B) Neuron
o C) Alveolus
o D) Red Blood Cell
6. The brain is safely protected inside the structure known as the:
o A) Ribcage
o B) Cranium (Skull)
o C) Vertebral Column
o D) Sternum
7. An immediate, involuntary reflex action is controlled by the:
o A) Cerebrum
o B) Spinal Cord
o C) Heart
o D) Medulla Oblongata
8. Which part of the brain coordinates muscle movements and maintains
posture/balance?
o A) Cerebrum
o B) Cerebellum
o C) Medulla
o D) Pons
Unit 3: Periodic Table of Elements
