EASY
Earn 100

The Montreal Protocol is related to:

50% studentsanswered this correctly

Important Questions on Our Environment

EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers?
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
The unit which is used to measure the ozone is:
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
An increase in the concentration of the toxicant at successive trophic levels is known as:
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
Montreal protocol was signed in 1987 for control of
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
In the stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen?
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
Dobson units are used to measure thickness of:
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
Chlorofluorocarbons (CFCs) are believed to be associated with cancers because:
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
Which one of the following is a wrong statement?
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
Snow blindness is caused due to
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
CO2 acts as a greenhouse gas because:
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
The zone of atmosphere in which the ozone layer is:
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
The highest DDT concentration in aquatic food chain shall occur in
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
World Ozone Day is celebrated on
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
Which, among grass, goat, tiger and vulture, in a food chain, will have the maximum concentration of harmful chemicals in its body due to contamination of pesticides in the soil?
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem

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
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
Which of the following pairs of gases is mainly responsible for green house effect?
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem

Match the entries in columns I and II and choose the correct pairs from the choices below.

  Column I   Column II
A High BOD 1 Skin cancer
B Ozone hole 2 Greenhouse gas
C El Nino effect 3 Food chain
D Biomagnification 4 Water pollution
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
Snow-blindness in Antarctic region is due to
EASY
Science>Biology>Our Environment>Effects of Human Activities on Ecosystem
Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?