EASY
Earn 100

Warm ocean surge of the Peru Current reoccuring every 5 to 8 years or so in the East Pacific of South America is widely known as

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Important Questions on Our Environment

MEDIUM
What is greenhouse effect? Write the name of two greenhouse gases affecting greenhouse effect.
MEDIUM
Define greenhouse effect. Name the greenhouse gases.
MEDIUM
What is global warming? Give any two causes responsible for global warming.
EASY
Write any one reason for global warming.
MEDIUM
Match the following
  LIST-I   LIST-II
A Radioactive wastes I Global warming
B Greenhouse effect II Snow blindness
C UV — B rays III Biomagnification
D DDT IV Mutations
    V Eutrophication

The correct match is

MEDIUM
An increase in the level of greenhouse gases leads to global warming. How can it be controlled?
MEDIUM
What are the main consequences of Global warming ?
MEDIUM
Which ONE of the following statements about ecosystem energetics is INCORRECT?
HARD

Match the following:

List-1 List-2
A) Global warming
B) Eutrophication
C) Biomagnification
D) Ozone depletion
I) Mercury
II) UV-B rays
III) Methane
IV) Algal blooms
V) Terror of Bengal

The correct match is:

EASY

With reference to temperature adaptations, identify  A,B,C of the following graph

Question Image

EASY

Match the following:

  List - 1   List -2
A) Carbon monoxide I) Global warming
B) Carbon dioxide II) UV - rays
C) Sulphur dioxide III) Eutrophication
D) Ozone depletion IV) Acid rain
    V) Oxygen transport

The correct match is

EASY

Observe the following graph of regulators

Question Image

In the above graph I, II and III represent

HARD
What is global warming? Discuss the cause and effect of global warming. What measures need to be taken to control global warming? 
EASY
In Amphibian and reptiles, the body temperature changes corresponding to external temperature. The organisms which show this kind of response is termed as -
EASY

Match the following. The correct combinations are

List I List II List III
(a) Diapause (i) Temperature variations with seasonal changes (p) Temperature lake
(b) Cyclomorphosis (ii) Light produced by living organisms (q) Insects
(c) Thermal stratification (iii) Inactiveness (r) Pyrosoma
(d) Bioluminescence (iv) Seasonal morphological variations (s) Daphnia

 

EASY
Homeothermy in humans is maintained through        
HARD
Define Greenhouse gases. Give any two examples. 
MEDIUM
How is green house gas raise the temperature of Earth?
EASY
Which of the following pairs of gases is mainly responsible for green house effect?