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Previous Year Questions

TLS Online TPP Program

QUESTION ID:1

Which one of the following elements contributes maximum to the earth crust by weight?

QUESTION ID:2

The lowest temperature is observed in which layer of the atmosphere ?

QUESTION ID:3

Which of the following gases has the lowest residence time ?

QUESTION ID:4

Which of the following statement is incorrect ?

QUESTION ID:5

The most abundant functional group present in fulvic acid commonly found in soils is :

QUESTION ID:6

The source of Stratospheric NOx is :

QUESTION ID:7

In troposphere,which of the following processes does not generate hydroxyl radical?
(1)  ('2) (3) (4) 

QUESTION ID:8

The most common form of lead present in pesticide is :

QUESTION ID:9

Cosider the following four statements about benzo[a]pyrene :
(a) It is a group I carcinogen
(b) It is a polycyclic hydrocarbon
(c) Its molecular formula is C20 H12
(d) It has four benzene rings
Choose the correct code :

QUESTION ID:10

Given below are two statements. One labelled as Assertion {A) and the other labelled as Reason (R) :
Assertion {A) : Radon is an inert gas and it is radioactive.
Reason (R) : All inert gases are radioactive.
Choose the correct answer :

QUESTION ID:11

Most of Epiphytes are examples of type of biotic interactions called : 

QUESTION ID:12

Inhalation of airborne mold spore leads to disease in man such as : 

QUESTION ID:13

Biological diversity is mainly a function of :
(a) latitude
(b) longitude
(c) Distance from sea
Choose the correct answer :

QUESTION ID:14

The ability of a living system to be restored through secondary succession after a more severe disturbance is known as :

QUESTION ID:15

The characteristic feature of the background extinction is disappearance of a species at a :

QUESTION ID:16

Speciation means :

QUESTION ID:17

Topological modelling is a well organized cluster of functions in GIS to process :
(a) Spatial data
(b) Attribute data
(c) Physico-chemical data
(d) Species richness data
Choose the correct code :

QUESTION ID:18

A rock body or formation which may be porous enough to hold enough quantity of water but which by virtue of its other properties does not allow an easy and quick flow through it,is called :

QUESTION ID:19

For many decades, geologists noted the high number of earthquakes and active volcanoes occurring around the rim of the Pacific Ocean basin . This is called :

QUESTION ID:20

Inversion that occurs near Earth's Surface is called :

QUESTION ID:21

The radiation flux emitted per unit solid angle in a specified direction by unit area of source is called :

QUESTION ID:22

Mean residence time of soil organic matter in an ecosystem is maximum in :

QUESTION ID:23

Worst affected area by Indian Ocean Tsunami of December 2004 in India was :

QUESTION ID:24

Consider solar insolation of 400 W/ m2  incident on a single solar cell of area 100 cm2. If only 15% of the photons cause electron - hole pairs and the average energy of incident photons is ~ 1 eV, the short circuit current of the cell is :

QUESTION ID:25

For which of the following renewable resources of energy, sun is not directly responsible?

QUESTION ID:26

In terms of the calorific value, identify the correct sequence :

QUESTION ID:27

At a given location the wind speeds are predominantly in the range 6 to 6.4 m/s. This location's wind power class will be termed as :

QUESTION ID:28

Which of the following nuclides does not undergo fission with low energy (slow) neutrons?

QUESTION ID:29

According to CPCB standards, the annual average concentration of PM25 should not exceed:

QUESTION ID:30

Which of the following is a secondary aerosol ?

QUESTION ID:31

In the colorimetric determination of ambient SO2 by WEST-GAEKE method, the absorbance of the colored complex should be measured at which of the following wavelengths?

QUESTION ID:32

A healthy human ear, before experiencing pain, can detect sound pressure levels as high as:

QUESTION ID:33

The resultant of two noise levels of 80 dB and 50 dB will be about :

QUESTION ID:34

The half life of radioactive iodine - 131 is :

QUESTION ID:35

Which of the following best describes the function of the environmental management plan as a part of the environmental statement ?

QUESTION ID:36

lndia submitted its lNDCs related to climate change to the UN recently. What does INDCs stand for?

QUESTION ID:37

Formal ElA became an integral part of Environmental Management in India by a Notification for the first time in :

QUESTION ID:38

EIA is necessary because :
(a) Devlopment is not good for environment
(b) Environmental impacts of development are in public interest
(c) There is growing interest in sustainability
Choose the correct answer:

QUESTION ID:39

A moist air parcel at 240C has a mixing ratio of 10 g per kg .Its virtual temperature is :

QUESTION ID:40

The Vienna Convention is basically related to:

QUESTION ID:41

According to Wildlife Protection Act in India who is the authority to issue permission to hunt rogue animal?

QUESTION ID:42

According to MOEF (now MOEFCC) notification of 1992, for labelling cosmetics as environment friendly product, the presence of fluoride (F) in tooth paste/powder should not exceed:

QUESTION ID:43

Which one of the following methods converts decomposed liquid or solid hazardous organic waste effectively 

QUESTION ID:44

For a bi-variate sample, the correlation coefficient is 0.25 and it is found to be significantly different from zero At 5% level of significance. Given t0.05 =1.645, what it the minimum size of the sample: 

QUESTION ID:45

Which one of the following is non-probability sampling?

QUESTION ID:46

A parametric test generally used to compare sample variance to a theoretical population variance, is :

QUESTION ID:47

From a random sample of 36 fish caught in a sample, the mean length (X) and sample standard deviation (sd) were found to be 30 cm and 6 cm respectively If at 95% confidence level z is 1 .96, then the mean length of fish in this population is in the range :

QUESTION ID:48

One of the natural causes of occurrence of inland soil alkcalinity is the presence of:

QUESTION ID:49

The Supreme Court of India directed the government to implement environmental education in all educational institutions as compulsory subject in :

QUESTION ID:50

Organic wetland soils have: