The term oligotrophic refers to
Show Hint
- Higher nutrients in the water
- High aquatic productivity
- Algal blooms
- Low nutrients and low productivity
The Correct Option is D
Solution and Explanation
Top Questions on Ecosystems
Given below are two statements:
Statement I: The primary source of energy in an ecosystem is solar energy.
Statement II: The rate of production of organic matter during photosynthesis in an ecosystem is called net primary productivity (NPP).
In light of the above statements, choose the most appropriate answer from the options given below:- NEET (UG) - 2025
- Biology
- Ecosystems
- Match List-I with List-II:Choose the correct answer from the options given below:
List-I (Concepts) List-II (Explanation) (A) Standing state (IV) Amount of mineral nutrients in the soil at a given time (B) Secondary productivity (II) Rate of formation of organic matter by consumers (C) Standing crop (III) Mass of living matter in a trophic level at a given time (D) Net primary productivity (I) Available biomass for the consumption of heterotrophs - CUET (UG) - 2024
- Biology
- Ecosystems
- In an ecosystem if the Net Primary Productivity (NPP) of first trophic level is 100x (kcal m-2)yr-1, what would be the GPP (Gross Primary Productivity) of the third trophic level of the same ecosystem?
- NEET (UG) - 2024
- Biology
- Ecosystems
- Which of the following is/are example(s) of a lotic ecosystem?
- IIT JAM BT - 2024
- Biology
- Ecosystems
- Identify the statement which are not true for the natural ecosystem
(A) Grassland and desert are example of terrestrial ecosystem.
(B) Oceans and rivers are man-made ecosystems.
(C) Wetland and estuary are examples of aquatic ecosystem.
(D) Crop fields and aquarium are natural ecosystems.
Choose the correct answer from the option given below- CUET (UG) - 2023
- Biology
- Ecosystems
Questions Asked in ICAR AIEEA exam
Given below are two statements:
Statement (I): Voltinism in insects is number of generations produced in a year.
Statement (II): Morus alba is a perennial tree in northern India.
Choose the most appropriate answer from the options given below:- ICAR AIEEA (PG) - 2024
- General Knowledge Based
Given below are two statements:
Statement (I): Tukra disease in mulberry is caused by whitefly.
Statement (II): Shellac is a resin secreted by female lac insect on host plant.
Choose the most appropriate answer from the options given below:- ICAR AIEEA (PG) - 2024
- Insect Ecology
Given below are two statements:
Statement (I): Butterflies with erratic darting flights belong to family Hesperiidae.
Statement (II): Larvae with tapering at both ends without dorsal setae.- ICAR AIEEA (PG) - 2024
- Insect Ecology
Given below are two statements:
Statement (I): Bean yellow mosaic virus is transmitted by Aphis glycines.
Statement (II): Chilli mosaic virus is transmitted by Aphis craccivora.- ICAR AIEEA (PG) - 2024
- Mycology & Plant Pathology
Given below are two statements:
Statement (I): Virus transmission by whitefly is persistent and circulative type.
Statement (II): Virus transmission by hoppers is circulative and usually propagative type.- ICAR AIEEA (PG) - 2024
- Mycology & Plant Pathology
