RRB JE Mock Test 2019

1.  Which one of the following is an abiotic and renewable resource?             (3)

1. 1. iron ore
2. 2. livestock
3. 3. water
4. 4. forests

2.  The largest ecosystem of the Earth is               (1)

1. 1. Biome
2. 2. Hydrosphere
3. 3. Lithosphere
4. 4. Biosphere

3.  Which is the most stable ecosystem?               (2)

1. 1. Desert
2. 2. Ocean
3. 3. Mountain
4. 4. Forest

4.  After which one of the following tribes of India, has a large continent of ancient geological history of the world been named?                  (4)

1. 1. Santhals
2. 2. Bhils
3. 3. Marias
4. 4. Gonds

5.  Source of energy in ecosystem is                (1)

1. 1. Sun
2. 2. Green plants
3. 3. Sugar produced in photosynthesis
4. 4. ATP