Static Quiz 26 June 2024
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Static Quiz 26 June 2024 for UPSC Prelims
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- Question 1 of 5
1. Question
Which of the following are effects of Eutrophication?
1. Eutrophication eventually creates detritus layer in the ponds & lakes.
2. It leads to decreased biodiversity.
3. Algal blooms restrict the sunlight to penetrate & affects the photosynthesizing plants.
4. Some algal blooms when die or eaten, release neuro & hepatotoxins which can kill aquatic
organism.
Select the correct answer using the code given below:CorrectCorrect Answer : D
IncorrectCorrect Answer : D
- Question 2 of 5
2. Question
Which of the following are characteristics of estuaries?
1. An Estuary is a semi enclosed coastal body of water with one or more rivers or streams flowing
into it.
2. The salinity range is above 35 ppt.
3. An estuary has high wave action.
Which of the statements given above is/are correct?CorrectCorrect Answer : A
The complete salinity range from 0-35 ppt is seen from the head (river end) to the
mouth (sea end) of an estuary. Hence, statement 2 is incorrect.An estuary has very little wave action, so it provides a calm refuge from the open sea. It
provides the shelter for some of the animals. Hence, statement 3 is incorrect.IncorrectCorrect Answer : A
The complete salinity range from 0-35 ppt is seen from the head (river end) to the
mouth (sea end) of an estuary. Hence, statement 2 is incorrect.An estuary has very little wave action, so it provides a calm refuge from the open sea. It
provides the shelter for some of the animals. Hence, statement 3 is incorrect. - Question 3 of 5
3. Question
Which of the following are characteristics of mangroves?
1. They are basically deciduous land plants growing on sheltered shores.
2. The best locations are where abundant silt is found.
3. It produces pneumatophores (blind roots) to overcome respiration problem in the anaerobic
soil conditions.
Which of the statements given above is/are correct?CorrectCorrect Answer : B
They are basically evergreen land plants growing on sheltered shores, typically on
tidal flats, deltas, estuaries, bays, creeks and the barrier islands. Hence, statement 1
is incorrect.IncorrectCorrect Answer : B
They are basically evergreen land plants growing on sheltered shores, typically on
tidal flats, deltas, estuaries, bays, creeks and the barrier islands. Hence, statement 1
is incorrect. - Question 4 of 5
4. Question
Consider the following statements regarding pollutants
1. Primary pollutants are formed by interaction among the primary pollutants.
2. DDT and plastic are examples of primary pollutants.
Which of the statements given above is/are correct?CorrectCorrect Answer : B
• Primary pollutants: These persist in the form in which they are added to the
environment e.g. DDT, plastic.
• Secondary Pollutants: These are formed by interaction among the primary
pollutants. Hence, statement 1 is incorrect.IncorrectCorrect Answer : B
• Primary pollutants: These persist in the form in which they are added to the
environment e.g. DDT, plastic.
• Secondary Pollutants: These are formed by interaction among the primary
pollutants. Hence, statement 1 is incorrect. - Question 5 of 5
5. Question
Consider the following statements regarding Global Carbon Project
1. The Global Carbon Project was established by a shared partner the International Geosphere-
Biosphere Programme (IGBP).
2. The Global Carbon Project is a Global Research Project of Future Earth and a research partner
of the World Climate Research Programme.
Which of the statements given above is/are correct?CorrectCorrect Answer : C
IncorrectCorrect Answer : C
