Sardar Krushinagar Dantiwada Agricultural Uiversity 2010 Other Bachelor's Degree of Renewable Eneregy & Enviornmental Engineering -exam question paper

Multiple Choice Questions

(For Competitive Exam)

Renewable Eneregy & Enviornmental Engineering

1.      UV radiation from the sun is absorbed by the earth and then given off as___

a.       Infrared radiation

b.      more UV radiation

c.       Visible light

d.      Microwaves

2.      ____ in the atmosphere block the outgoing radiation, so that it does not escape

a.       ozone

b.      clouds

c.       greenhouse gases

d.      water vapour

3.      The major contributor to global warming is____

a.       carbon dioxide

b.      methane

c.       CFC's

d.      nitrous oxides

4.      ___ is the most useful way of monitoring global warming.

a.       computer modeling

b.      feedback mechanisms

c.       meteorology forecasts

d.      weather observers

5.      With every 1 degree Celsius increase in temperature, biomes would have to move____ kilometers to the poles

a.       50

b.      90

c.       500

d.      900

6.      Which of the following is not a greenhouse gas?

a.       CFC's

b.      Methane

c.       nitrous oxides

d.      argon

7.      Which of the following is not a major carbon reservoir?

a.       oceans

b.      atmosphere

c.       fossil fuels

d.      deep ocean sediments

8.      What country has the greatest amount of carbon dioxide emissions?

a.       Canada

b.      Unites States

c.       Germany

d.      Commonweath of Independent States

9.      Which of the following is not a probable consequence of global warming?

a.       disruption in agriculture

b.      flooding

c.       killing of plankton

d.      greater biodiversity

10.  These are interconnected factors that make it difficult to make accurate predictions about global warming.

a.       feedback mechanisms

b.      computer modelling

c.       meteorology

d.      limnology

11.  ____ accounts for about one half of all ocean pollution.

a.       offshore oil production

b.      air pollution fallout

c.       direct dumping

d.      shipping

12.  The category of ocean pollutants that contains sewage and plant and animal wastes is ____

a.       dissolved chemicals and compounds

b.      biological agents

c.       undissolved chemicals and sediments

d.      thermal

13.  The area of the mouth of a river where salt and freshwater mix is called a(n)

a.       estuary

b.      effluent

c.       outflow region

d.      tidal zone

14.  The base of the food chain in the ocean is the ____

a.       fish and algae

b.      phytoplankton

c.       seals and birds

d.      shellfish and whales

15.  One of the most common ocean pollutants is____

a.       pesticides

b.      plastics

c.       oil

d.      salt

16.  A ship which ran aground off the coast of Alaska in 1989 and released 45,000 tons of crude oil.

a.       Alaska Freighter

b.      Exxon Valdez

c.       The Caribou

d.      Montreal Guidelines

17.  Materials that cause biochemical oxygen demand (BOD) include:

a.       wood, animal wastes, sewage

b.      plastics, wood, animal wastes

c.       metals, wood, animal wastes

d.      PCB's, wood, animal wastes

18.  Harmful discharge of warm or cold substances is known as ____

a.       biological agents

b.      die off

c.       sediment

d.      thermal pollution

19.  The UN Environmental Program, in 1985, set these guidelines and strategies to help develop action plans as a control of the ocean pollution

a.       CFC Treaty

b.      International Agreement on Ocean Pollution

c.       Montreal Guidelines

d.      Thirty Percent Protocol

20.  Fishing nets lost or discarded in the ocean are known as

a.       ghost nets

b.      TSS

c.       underutilized catch

d.      underutilized nets