i. What is understood by biodegradable waste?
ii. State one source of gaseous waste.
i. Wastes which can be degraded by microorganisms and by natural processes are known as biodegradable wastes.
ii. One source of gaseous waste is the release of carbon monoxide by automobiles.
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 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.
i. State two reasons for the growing importance in the status of petrochemical industries.
ii. Name two products of the petroleum industry.
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. “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. Why is the Railways an important means of transport as compared to Airways?
ii. State one economic benefit of the Golden Quadrilateral Project.
