Description

AHE-01 Human Environment

Course Code: AHE-01
Assignment Code: AHE-01/TMA/2020
Maximum Marks: 100

1. Differentiate between the following pairs:
i) Toxic substance and hazardous substance
ii) Desert and Grassland
iii) Mutualism and Commensalism
iv) Family and Kingship
v) Perihelion orbital and aphelion orbital of the sun.
(5×2=10)
2. Define carrying capacity. What are the different types of carrying capacity?
Explain how the finite nature of resources determines carrying capacity.
(2+5+3=10)
3. How is the epidemiological approach used to study health problems related to the
environment?
(10)
4. Explain the economic implications of waste generation and waste disposal. (10)
5. Write short notes on the following:
i) Competition
ii) Niche
iii) Predation
iv) Freshwater ecosystem
(4 × 2½ =10)
6. Describe the Chernobyl accident and discuss the various issues that arose after the
accident.
(10)
7. Discuss air quality standards. (10)
8. (a) List the reasons for extinction of Wild Life and discuss any one reason.
(b) Describe the various modes of transmission of communicable diseases.
(5)
(5)
9. (a) Describe the steps involved in the primary and secondary treatment of
sewage water in order to make it suitable for drinking purpose.
(b) Describe the measures that are used to rehabilitate degraded land.
(5)
(5)
10. (a) Discuss the effects of radiation on human health.
(b) Discuss the role of NGOs in the protection and management of the
environment.

AHE-01, AHE-1, AHE 01, AHE 1, AHE01, AHE1, AHE