30 September Static Quiz 2021
Quiz-summary
0 of 5 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
Information
30 September Static Quiz 2021 for UPSC Prelims
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 5 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- 5
- Answered
- Review
- Question 1 of 5
1. Question
Consider the following statements with reference to ‘Ecotones’:
1. Ecotones are the areas that act as a transition or boundary between two ecosystems.
2. They protect ecosystems by acting as buffer zones.
3. They serve as bridges of ‘gene flow’ between different ecosystems.
Which of the statements given above is/are correct?CorrectAnswer: D
All the statements are correctIncorrectAnswer: D
All the statements are correct - Question 2 of 5
2. Question
Which of the following can be considered as the advantages of soil mulching?
1. It reduces soil salinity by reducing evaporation.
2. It modifies the microclimate of the soil and the air in which the plant grows.
3. It totally restricts reptile movement and rodent activities.
Select the correct answer using the code given below.CorrectAnswer: C
Reptile movement and rodent activities are experienced in some places as mulching
inadvertently facilitates an environment for increased activities of burrowing reptiles and
rodents. Hence statement 3 is not correct.IncorrectAnswer: C
Reptile movement and rodent activities are experienced in some places as mulching
inadvertently facilitates an environment for increased activities of burrowing reptiles and
rodents. Hence statement 3 is not correct. - Question 3 of 5
3. Question
“It is a region of shallow depth up to 200 meters. It supports plants rooted in the seafloor and the area is rich in the density and diversity of organisms owing to the penetration of light and presence of nutrients. Phytoplankton and zooplankton are abundant in this zone.”
The above passage refers to which of the following zones of a marine ecosystem?CorrectAnswer: C
Neritic: This is a region shallow enough (up to 200 m depth) to support plants rooted in the seafloor. This
constitutes the edge of the continental shelf. This area is rich in the density and diversity of organisms
owing to the penetration of light to this depth of the sea and owing to the presence of nutrients washed
down from the land. Phytoplankton and zooplankton are abundant in this zone. Extensive communities of
giant kelps, different types of fishes, snails, whales, sea-otters, sea-snakes and large squids, are found in
this zone. Hence option (c) is the correct answer.IncorrectAnswer: C
Neritic: This is a region shallow enough (up to 200 m depth) to support plants rooted in the seafloor. This
constitutes the edge of the continental shelf. This area is rich in the density and diversity of organisms
owing to the penetration of light to this depth of the sea and owing to the presence of nutrients washed
down from the land. Phytoplankton and zooplankton are abundant in this zone. Extensive communities of
giant kelps, different types of fishes, snails, whales, sea-otters, sea-snakes and large squids, are found in
this zone. Hence option (c) is the correct answer. - Question 4 of 5
4. Question
Consider the following statements:
1. It is a migratory bird species native to East Asia
2. In this species, males are more colourful than females
3. It rarely visits India as it does not fall in the usual migratory route of the species
The above statements refer to which of the following bird species?CorrectAnswer: C
IncorrectAnswer: C
- Question 5 of 5
5. Question
Consider the following statement with reference to the Intergovernmental Science-
Policy Platform on Biodiversity and Ecosystem Services (IPBES):
1. It is an independent intergovernmental body established by States to strengthen the science-policy interface for biodiversity and ecosystem services for the conservation and sustainable use of biodiversity
2. India is its member since its inception in 2012.
Which of the statements given above is/are correct?CorrectAnswer: C
Both the statements are correctIncorrectAnswer: C
Both the statements are correct
