Sea Dwelling Species UPSC Questions

General Issues on Environmental Ecology, Bio-diversity & Climate Change

Sea Dwelling Species MCQ Questions


7.
What limits the distribution of plankton in aquatic ecosystems?
A.
Sunlight
B.
Predators
C.
Water currents
D.
Salinity
😑 View Answer Rough Work Error
ANSWER :
C. Water currents
8.
Which of the following have coral reefs?
1. Andaman and Nicobar Islands
2. Gulf of Kachchh
3. Gulf of Mannar
4. Sunderbans
Select the correct answer using the code given below.
UPSC - 2014
A.
1, 2 and 3 only
B.
2 and 4 only
C.
1 and 3 only
D.
1, 2, 3 and 4
😑 View Answer Rough Work Error
ANSWER :
A. 1, 2 and 3 only
9.
Which factor does NOT directly affect phytoplankton biodiversity?
A.
Light
B.
Iron
C.
Temperature
D.
Wind speed
😑 View Answer Rough Work Error
ANSWER :
D. Wind speed
10.
Which nutrient is required in significant amounts by diatoms?
A.
Calcium
B.
Silicate
C.
Magnesium
D.
Sulphate
😑 View Answer Rough Work Error
ANSWER :
B. Silicate
11.
Why is iron important for phytoplankton?
A.
It helps in locomotion
B.
It supports respiration
C.
It limits their growth in many ocean areas
D.
It is required for digestion
😑 View Answer Rough Work Error
ANSWER :
C. It limits their growth in many ocean areas
12.
At one of the places in India,if you stand on the seashore and watch the sea,you will find that the sea water recedes from the shore line a few kilometres and comes back to the shore,twice a day ,and you can actually walk on the sea floor when the water recedes.The unique phenomenon is seen at
UPSC - 2017
A.
Bhavnagar
B.
Bheemunipatnam
C.
Chandipur
D.
Nagapattinam
😑 View Answer Rough Work Error
ANSWER :
C. Chandipur