1. For maximum biogas production following conditions are recommended:
A. Strict anaerobic
B. Strict aerobic
C. Only cellulose as a carbon source
ADVERTISEMENTS:
D. Semi aerobic
2. To establish wind mill for commercial production of electricity, the optimum range of wind speeds required is:
A. 4 -10 m/sec
B. 20 – 30 m/sec
ADVERTISEMENTS:
C. 35 – 45 m/sec
D. > 100 m/sec
3. To initiate fission of 238U, the kinetic energy required for neutron is:
A. ~ 1.5 MeV
ADVERTISEMENTS:
B. ~ 0.5 MeV
C. ~ .025 MeV
D. ~ 1 KeV
5. Land sea and mountain valley breezes occur on which of the following horizontal space scales:
ADVERTISEMENTS:
A. Micro Scale
B. Meso scale
C. Synoptic scale
D. > 40,000 km
ADVERTISEMENTS:
7. About 97% of the atmospheric mass lies in the first
A. 30 km above ground
B. 100 km above ground
C. 300 km above ground
ADVERTISEMENTS:
D. 10 km above ground
8. Which is the correct chronological order (oldest to youngest) in which the following were formed?
(1) Atlantic Ocean
(II) Indian Ocean
(III) Pacific Ocean
(IV) Mediterranean Sea
Select the correct answer using the code given below:
A. III, I, IV, II
B. III, I, II, IV
C. I, III, II, IV
D. I, III, IV, II
9. A seismogram records the following types of earthquake waves:
(I) L Waves
(II) P Waves
(III) S Waves
The correct chronological sequence of the arrival of these waves is:
A. II, III, I
B. II, I, III
C. III, II, I
D. III, I, II
10. In humid climate, the rate of weathering of the following types of rocks is such that:
A. Basalt > Dunite > Granite
B. Basalt > Granite > Dunite
C. Dunite > Granite > Basalt
D. Dunite > Basalt > Granite
11. Which one of the following proximate content of coal indicates the optimum by product availability during coal carbonisation?
A. Moisture
B. Volatile matte
C. Fixed Carbon
D. Ash
13. In a closed ecosystem, across its boundaries,
A. Energy can transfer but mass can not transfer
B. Mass can transfer but energy can not transfer
C. Both energy and mass can not transfer
D. Both energy and mass can transfer
16. Which of the following gases has maximum global warming potential (GWP):
A. SF6
B. CH4
C. C02
D. CFC5
17. In India, Air (Prevention and Control of Pollution) Act came into being in which year?
A. 1974
B. 1981
C. 1978
D. 1990
18. Kyoto Protocol envisages a reduction in C02 concentration, below 1990 levels, by:
A 10.2%
B. 5.2%
C. 15%
D. 25%
19. Anamalous expansion of water has helped amphibious biological systems to sustain themselves in Polar Regions such as:
A .Polar bear
B. Frog
C. Eskimo
D. Seal
20. When 100 ml of 0.1M sulphuric acid is used to neutralize 0.01N NaOH, how many milliliters of NaOH will be required?
A. 100
B. 500
C. 1000
D. 2000
21. If 100% noise dose corresponds to equivalent sound pressure level L = 90 dB for 8 hours, then 25% dose would correspond to:
A. 93 dB for 2 hours
B. 90 dB for 4 hours
C. 87 dB for 4 hours
D. 87 dB for 2 hours
22. 60Co (Cobalt sixty) is used to treat cancer as it emits:
A. Strong gamma rays
B. Beta radiations
C. Alpha radiations
D. X – rays
23. Molar concentration of pure water is:
A. 1M
B. 18 M
C. 55.5 M
D. 100 M
24. The internal combustion engines using petrol are mainly responsible for the generation of:
A. Ozone
B. NOx
C. SOx
D. VOCs
25. Which nod gene product interacts with flavonoids to initiate the process of root hair deformation?
A. Nod A
B. Nod B
C. Nod C
D. Nod D
26. Which of the materials is most preferred as a carrier for legume inoculation?
A. Peat
B. Slag
C. Soil
D. Anthracite
27. Assertion (A): The ozone layer absorbs UV radiations.
Reason (R): Part of the UV flux is used up in the formation of ozone in stratosphere.
A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true and (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true
28. Match Lists I and II and select the correct answer using the codes given below the lists:
(Characteristics) (Terms/Names)
(a) Point of initial movement I. Tsunami during the earthquakes
(b) Measurement of the II. Insolation magnitude of earthquake
(c) Measurement of solar III. Richter scale radiation incident on earth
(d) Earthquakes generated IV. Focus water waves in coastal areas
|
Codes: |
|||
|
A. IV |
III |
II |
I |
|
B. III |
IV |
I |
II |
|
C II |
I |
III |
IV |
|
D. I |
II |
IV |
III |
29. Which is the most common gas released from the landfills:
A. Carbon monoxide
B. Methane
C. Hydrogen Sulphide
D. Carbon di oxide
30. Trickling filters are used for the treatment of:
A. Primary sewage
B. Secondary sewage
C. Tertiary sewage
D. Quaternary sewage
31. Continuous – flow air-agitated photo bioreactors are used for the removal of which compound from water?
A. Nitrite
B. Chloride
C. Cyanide
D. Nitrate
32.Sea water is:
A. acidic
B. alkaline
C. neutral
D. hypotonic
33. The tidal mouth of a river opening into the sea is termed as:
A. Estuary
B. Littoral zone
C. Hypoliminion
D. Abyssal zone
34. In an aquatic ecosystem, the depth to which light penetrates is called:
A. aphotic
B. photic
C. euphotic
D. nonphotic
35. Which of the following is used for the large scale treatment of potable water?
A. Chlorine
B. Potassium permagnate
C. Ozone
D. Potassium permagnate and UV radiation
36. High B.O.D values in a water sample reflect a:
A. High biodegradable organic content
B. Low organic content
C. High phosphorous content
D. High nitrogen content
37. Biological rhythm in animals is regulated by one of the following:
A. Water
B. Air
C. Light
D. Crowding
38. Pineal gland mediates the environmental information to animals through the day-night secretion of:
A. Gonadotropin
B. Thyroxin
C. Melanin
D. Melatonin
39. Zeitgeber means:
A. Time giving
B. Photoperiod information
C. Temperature information
D. Rainfall information
41. The corals generally grow in nutrient poor clear sea water because:
A. Nutrients are provided through sewage
B. Single cell algae present on the corals provide nutrients through photosynthesis
C. They absorb nutrients from the sea water
D. They get nutrition from the dead organisms
42. Thermo clines of a lake mean:
A. The upper layer with well lit, will mixed and relatively having warm water
B. The intermediate layer in which a rapid decline in temperature occurs with depth.
C. The deep layer which is generally cold and dark
D. The bottom layer
43. A cell is filled up with 0.6M NaCI and presumed that the membrane is more permeable to water than NaCI. In this condition if the cell is placed in 0.2 M NaCI, the approach to equilibrium will be largely governed by:
A. Osmosis
B. Diffusion
C. Losing salt rapidly
D. Losing salt and water equally
44. When a low lander man is transferred to high altitudes, the oxygen consumption will:
A. not decrease
B. remain the same
C. reduce mytochondrial oxygen tension
D. Impair oxidative metabolism
45. Assertion (A): Cost-Benefit Analysis is an important tool in Environmental Impact Assessment.
Reasons (R): It evaluates the likely return on capital inputs in a project.
A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true but (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true
46. Environmental Impact Assessment (EIA) seeks to achieve goals pertaining to:
A. Sustainable Development
B. Prevention of pollution only
C. Conservation of resources only
D. Social Benefit
47. Assertion (A): Environmental Audit is an important aspect of post-project analysis. Reasons (R): It helps in assessment of compliance with environmental regulatory requirements.
A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true but (R) is not the correct explanation of (A)
C. (A) is true but R is false
D. (A) is false but R is true
48. For the detection of Polyaromatic hydrocarbons (PAH; which of the following instruments is used?
A. Atomic Absorption Spectrophotometer
B. X-ray Diffractometer
C. Gas Chromatograph
D. Flame Photometer
49. Assertion (A): Land use changes have implications for Climate.
Reasons (R): The radioactive fluxes get modified
A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true but (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true
50. Tissue protein can be estimated by:
A. Gravimetric method
B. Biurete method
C. Calorimeter
D. Manometer
|
1 |
2 |
3 |
5 |
7 |
8 |
9 |
10 |
||
|
A |
D |
A |
C |
B |
A |
A |
B |
||
|
11 |
13 |
16 |
17 |
18 |
19 |
20 |
|||
|
D |
D |
A |
D |
B |
B |
C |
A |
||
|
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
|
A |
B |
C |
C |
D |
B |
C |
A |
B |
B |
|
31 |
32 |
33 |
34 |
35 |
36 |
37 |
38 |
39 |
|
|
C |
A |
A |
B |
A |
A |
C |
D |
B |
|
|
41 |
42 |
43 |
44 |
45 |
46 |
47 |
48 |
49 |
50 |
|
C |
B |
B |
A |
A |
A |
A |
C |
C |
B |