i. “Waste segregation is important”. Give a reason to support your answer.
ii. Why is nuclear waste harmful?
iii. Explain briefly how as a student, you can help in the reduction of waste generation.
i. ‘Waste segregation’ is essential because it is important to segregate solid, semi-solid, liquid, biodegradable and non-biodegradable wastes so that these could be disposed off separately according to their nature.
ii. Nuclear wastes are harmful because they can cause serious health hazards to the human body and environment if not disposed properly.
iii. As a student, I can help in the reduction of waste generation by not using polythene bags. I would use jute bags and paper bags which can be recycled.
i. Why is the Railways an important means of transport as compared to Airways?
ii. State one economic benefit of the Golden Quadrilateral Project.
i. State two conditions necessary for the setting up of a heavy engineering industry.
ii. Name a ship building yard on the east coast and a center for making electric locomotive.
i. State one important difference between an expressway and a highway.
ii. Name the first expressway constructed in the country.
iii. State a reason why the Northern Rivers are more suitable for navigation than the Deccan rivers.
On the outline map of India provided:
a. Mark and name the Nilgiris.
b.Shade and label the Malwa Plateau.
c. Shade and label the Malabar Coastal Plains.
d.Mark and name the river Gomti.
e.Shade and name the Andaman Sea.
f. Mark and name Allahabad.
g. Mark with a single arrow and name the winds that bring winter rain to north-west India.
h. Mark and name Digboi
i. Mark an area with laterite soil below the Tropic of crancer.
j. Mark and name the Karakoram Pass.
i. State two reasons for the growing importance in the status of petrochemical industries.
ii. Name two products of the petroleum industry.
