sxcran.org EVS UG Model Question Paper – II : St. Xavier’s College

Name of the Organisation : St. Xavier’s College, Ranchi
Name of the Exam : Semester Exam
Paper : UG (Model Question Paper-II)
Year : 2014- 2015
Document Type : Previous Question Paper
Website : https://www.sxcran.org/
Download Previous Question Paper :  https://www.pdfquestion.in/uploads/14143-EVSII.pdf

SXCRAN EVS UG Model Question Paper  II

This Booklet contains 100 questions. All questions are compulsory and carry equal marks.

Related : St. Xavier’s College EVS UG Model Question Paper-I : www.pdfquestion.in/14140.html

List of Question

Intermediate zone in aquatic ecosystem where production almost balances consumption is
a) Epilimnion
b) Thermocline
c) Hypolimnion
d) Hyperlimnion

The objective and guiding principle for developing environment Chilton at all levels were formulated at
a) UNESCO conference 1975
b) UNESCO conference 1977
b) Tiblisi conference 19 I I
d) All the above

World water day is observed on
a) April22
c) November 12
b) March 22
d) October 20

Chalcolithic age refers to
a) Bronze age
c) Copper age
b) Iron age
d) Stone age

Which of the following was short and poorly defined
a) Neolithic
b) Mesolithic
c) Palaeolithic
d) Neolithic cosystem services Include
a) purification of air and water
c) nutrient cycling and generating
fertile soi l
b) mitigate draughts and floods
d) all of the above

Purest form of water is
) Tank water
c) Rain water
b) Fountain Water
d) Sea water

Major autotrophic component of an ecosystem are
a) Green plants
b) chemosynthetic bacteria
c) Green plant + chemosynthetic
d) green plants and saprotrophs bacteria

What does EIA abbreviation stands for
a) Environment Indian Association
b) Eco India Alignment
c) Environment Impact Awareness
d) Environment Impact Assessment

Which act was constituted in year 1972?
a) Wildlife Act
b) Air (Prevention & control of pollution) Act
c) forest conservation Act
d) Water (Prevention & control of
c) pollution) Act

Who coined the term ecology?
a) Reiter
b) Hackel
d) Tansley
c) Odum

Energy flow in an ecosystem supports
a) 1st law
b) 2nd law
c) 1st & 2nd law
d) none

Limnology is the study of
a) Lakes
b) fresh water ecosystem
c) Marine ecosystem
d) both marine and fresh water ecosystems

Most food chains consist of how many trophic levels?
a)2-4
b)3 – 5
c) 4- 6
d) 5 – 7

The World Summit on sustainable development took place in September 2002 at
a) Brazil
c) Leeds
b) Johannesburg
d) us

Principal sources of nitrous oxide is
a) Aerosols
c) Deforestation
b) Fertilizers
d) Livestock

United Nation Conference on Human environment was held in June 1972 Act
a) Berlin
b) Prague
c) Vienna
d) Stockholm

Which are the most important decomposers in an ecosystem
a) Algae & fungi
b) bacteria & fungi
c) Algae & earthworms
d) fungi & earthworms

World Ozone day is observed on
a) September 28
b) September 14
c) September 13
c) September 18

Dead organic matter is fragmented by
a) decomposers
c) osmotrophs
b) saprotrophs
d) detritivores

The Natural Calamity which affected Vishakhapatnam in October 2014
a) Nilofar
b) Kareena
c) Hudhud
d) Phailin

The definition of sustainable development has been given in commission document entitled
a) World conservation strategy
b) Man & Biosphere
c) Our Common Endeavour
d) Our Common Future

In terms of energy an ecosystem is
a) open unit
b) closed unit
c) may be open or close
d) neither open nor close

What is the expanded form of UNCSD
a) United Nations Conservation strategy & development
c) United Nations Council of State development
b) United Nations Commission on sustainable development
d) United Nations Common Support for Development

On a clear sunny day the amount of sun light reaching earth’s surface is about
a) 10% b) 20%
c) 45% d) 55%

Most polluted city in the world
a) Switzerland
c) Calcutta
b) Stockholm
d) Mexico City

How much percent of coral reefs have vanished over last few decades
a) 25% b) 45%
c) 60% d) 70%

Burning of coal in a closed room produces which of the following gas
a) Nitrogen
b) Hydrogen
c) Carbon mono oxide
d) Oxygen

Answer Key

EVS Science SET-D
QNo Answer
1 B 11 B 21 C 31 B 41 D
2 B 12 C 22 D 32 A 42 B
3 B 13 B 23 A 33 B 43 A
4 C 14 B 24 B 34 A 44 C
5 B 15 B 25 C 35 B 45 C
6 D 16 B 26 D 36 A 46 C
7 C 17 D 27 A 37 B 47 C
8 A 18 B 28 C 38 D 48 D
9 D 19 B 29 C 39 A 49 C
10 A 20 D 30 B 40 B 50 D
51 C 61 D 71 B 81 C 91 B
52 A 62 B 72 A 82 B 92 C
53 B 63 A 73 D 83 D 93 A
54 A 64 D 74 A 84 A 94 B
55 C 65 B 75 C 85 B 95 A
56 C 66 C 76 B 86 A 96 D
57 D 67 A 77 B 87 C 97 A
58 B 68 B 78 A 88 A 98 A
59 C 69 C 79 A 89 A 99 C
60 A 70 B 80 A 90 B 100 D