Q. No.In an aquatic food chain, zooplankton occupy which trophic level?
1.
First
2.
Second
3.
Third
4.
Fourth
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
Each trophic level has a certain mass of living material at a particular time, best called as:
| 1. | Biomass | 2. | Standing state |
| 3. | Standing crop | 4. | Gross productivity |
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
Approximately, what percent of energy is transferred to each trophic level from the lower trophic level in an ecosystem?
| 1. | 1 | 2. | 10 |
| 3. | 50 | 4. | 90 |
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
The entire sequence of communities that successively change in a given area are called:
1. Taxa
2. Seres
3. Pioneers
4. Climax
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
In which of the following instances would an ecological succession regarded as secondary?
1. Newly cooled lava
2. Bare rock
3. Newly created pond
4. Abandoned farmland
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
Ecological succession leads to mesic conditions in:
| I: | Hydrarch succession |
| II: | Xerarch succession |
1. Both I and II
2. Only I
3. Only II
4. Neither I nor II
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
The correct sequence of seral stages in primary hydrarch succession [pioneer to climax] would be:
| 1. | Phytoplankton, Submerged plant stage, Submerged free floating plant stage, Reed swamp stage, Marsh-meadow stage, Scrub stage, Forest |
| 2. | Phytoplankton, Submerged free floating plant stage, Submerged plant stage, Reed swamp stage, Marsh-meadow stage, Scrub stage, Forest |
| 3. | Phytoplankton, Submerged plant stage, Submerged free floating plant stage, Marsh-meadow stage, Reed swamp stage, Scrub stage, Forest |
| 4. | Phytoplankton, Reed swamp stage, Marsh-meadow stage, Submerged plant stage, Submerged free floating plant stage, Scrub stage, Forest |
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
The amount of nutrients present in the soil, at any given time, is referred to as:
1. Standing state
2. Standing crop
3. Primary productivity
4. Secondary productivity
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
The reservoir is located in the Earth’s crust for:
I. Gaseous type of nutrient cycle
II. Sedimentary nutrient cycle
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
The function of a reservoir of nutrient cycle is to:
1. synthesize minerals
2. transfer minerals to other ecosystems
3. meet any deficit
4. destroy the unwanted minerals
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 37 chapters you need to be enrolled in MasterClass Course.
© 2026 GoodEd Technologies Pvt. Ltd.