Our Environment Objective Type Questions & Answers

Hi Everyone!! This article will share Our Environment Resources Objective Type Questions & Answers.

In one of my previous posts, I have shared the objective type questions & answers of Land and Soil and Resources. So, you can check these posts as well.

Our Environment Objective Type Questions & Answers

Question 1: Choose the correct option:

a) The word environment is derived from the ____________ word environer.

i. German
ii. French
iii. Greek
iv. Latin

b) A narrow zone formed by interaction among three spheres, namely land, water or air.

i. Lithosphere
ii. Biosphere
iii. Hydrosphere
iv. Atmosphere

c) Which of these is the outermost solid layer of the Earth?

i. Biosphere
ii. Hydrosphere
iii. Atmosphere
iv. Lithosphere

d) The most abundant gas in the atmosphere is

i. Oxygen
ii. Ozone
iii. Carbon dioxide
iv. Nitrogen

e) Which of these is not a heterotroph?

i. Whale
ii. Lion
iii. Jackal
iv. Baobab

f) Which of these is a part of biological environment?

i. Animals
ii. Land
iii. Water
iv. Air

g) The gas present in the atmosphere which protects us from the ultraviolet radiation of the sun.

i. Oxygen
ii. Carbon dioxide
iii. Nitrogen
iv. Ozone

h) Each element in an ecosystem is

i. Independent
ii. Interdependent
iii Both of these
iv. None of the above

i) Which of these is not a part of the natural ecosystem?

i. Grasslands
ii. Desert
iii. Forest
iv. Aquarium

j) Industries, transport, buildings etc. are components of

i. Physical environment
ii. Man-made environment
iii. Socio -cultural environment
iv. Biological environment

k) Which of these is a human made environment?

i. Highways
ii. River
iii. Ocean
iv. Forest

l) This term describes the portion where life exists.

i. Atmosphere
ii. Biosphere
iii. Lithosphere
iv. Hydrosphere

m) The layer comprises of rocks and minerals and is covered by thin layer of soil.

i. Biosphere
ii. Atmosphere
iii. Lithosphere
iv. Hydrosphere

Our Environment Objective Type Questions & Answers

Question 2: Fill in the blanks:

a) Algae and bacteria are autotrophs.
b) Living things constantly interact with the environment.
c) The ecosystem comprises of distinct geographical zones called biomes.
d) Natural Environment comprises both biotic as well as abiotic environment.
e) Ozone helps to protect the earth from the sun and harmful rays.
f) The branch of science that studies the interaction between living organisms and their surrounding is called ecology.
g) Hydrosphere is the collective mass of water found on earth.
h) The continuous movement of water through the four realms of Earth is called water cycle.
i) Biosphere is a narrow zone formed by the interaction among three spheres namely land, water and air.
j) Carbon dioxide is used by plants to manufacture food.
k) The word environment is derived from the French word environer meaning surrounding.
l) Biological environment comprises of living organisms such as plants, animals including human beings and even microbes.
m) Nitrogen is the most abundant gas and constitutes for 78% in air.

Question 3: Write True or False:

a) The natural and human environment always remains the same – False
b) Carbon dioxide is a green-house gas – True
c) The social and cultural environment is the immediate society the individual is a part of – True
d) A puddle is an ecosystem – True

Question 4: Match the columns:

Column AColumn B
a) Everything created by human as well as his socio-cultural, political and economic situationi) Environmental degradation  
b) Perfect balance between the transfer of energy and matter among the different components in ecosystem.ii) Human environment  
c) Loss of biodiversityiii) Ecological balance  
d) Relation between the living organisms, with one another and with their physical environment.iv) Biosphere  
e) Plant and animal kingdomv) Ecosystem
Answer: a – ii, b – iii, c – i, d – v, e – iv

So, these were Our Environment Objective Type Questions & Answers.

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