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Q. No.Given below are two statements
Statement I:
The pyramid of energy is always upright, can never be inverted
Statement II:
When energy flows from one trophic level to next trophic level, some energy is always lost as heat
In light of the above statements, choose the most appropriate answer from the options given below
1. Both statement I and statement II are correct
2. Both statement I and statement II are incorrect
3. Statement I is correct but statement II is incorrect
4. Statement I is incorrect but statement II is correct
Subtopic: Energy Flow |
92%
Level 1: 80%+
Hints
Decomposition
A. is favored by warm and dry environment
B. gives rise to humus and inorganic nutrients
C. is dependent on oxygen availability
D. involves fragmentation, catabolism and leaching
E. is faster when detritus is low in nitrogen and sugars
Choose the correct answer from the options given below:
1. A. B, C & D only
2. B, C, D & E only
3. B, C & D only
4. A, C & E only
A. is favored by warm and dry environment
B. gives rise to humus and inorganic nutrients
C. is dependent on oxygen availability
D. involves fragmentation, catabolism and leaching
E. is faster when detritus is low in nitrogen and sugars
Choose the correct answer from the options given below:
1. A. B, C & D only
2. B, C, D & E only
3. B, C & D only
4. A, C & E only
Subtopic: Decomposition |
61%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Arrange the following in an order, starting from first trophic level
A. Cyclops
B. Spirogyra
C. Catfish
D. Pelican
E. Small fish
Choose the correct answer from the options given below
1. A, B, C, D, E
2. B, A, C, D, E
3. B, A, E, C, D
4. B, A, E, D, C
A. Cyclops
B. Spirogyra
C. Catfish
D. Pelican
E. Small fish
Choose the correct answer from the options given below
1. A, B, C, D, E
2. B, A, C, D, E
3. B, A, E, C, D
4. B, A, E, D, C
Subtopic: Energy Flow | Ecological Flow |
62%
Level 2: 60%+
Please attempt this question first.
Hints
Match List I with List II
Choose the correct answer from the options given below:
1. A-III, B-I, C-IV, D-II
2. A-II, B-I, C-IV, D-III
3. A-II, B-III, C-I, D-IV
4. A-III, B-II, C-IV, D-I
| List I | List II |
| A. Primary consumers | I. Top carnivore |
| B. Tertiary consumers | II. Herbivore |
| C. Producers | III. Carnivore |
| D. Secondary consumers | IV. Plants |
Choose the correct answer from the options given below:
1. A-III, B-I, C-IV, D-II
2. A-II, B-I, C-IV, D-III
3. A-II, B-III, C-I, D-IV
4. A-III, B-II, C-IV, D-I
Subtopic: Energy Flow |
90%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
The pioneer species in a hydrarch succession are :
1. Free-floating angiosperms
2. Submerged rooted plants
3. Phytoplanktons
4. Filamentous algae
1. Free-floating angiosperms
2. Submerged rooted plants
3. Phytoplanktons
4. Filamentous algae
81%
Level 1: 80%+
NEET - 2022
Hints
The species that come to appear in bare area are called:
1. Pioneer species
2. Invasive species
3. Competitive species
4. Species of seral community
1. Pioneer species
2. Invasive species
3. Competitive species
4. Species of seral community
86%
Level 1: 80%+
NEET - 2022
Hints
All successions irrespective of the habitat proceed to which type of climax community ?
1. Xeric
2. Mesic
3. Hydrophytic
4. Edaphic
1. Xeric
2. Mesic
3. Hydrophytic
4. Edaphic
80%
Level 1: 80%+
NEET - 2022
Hints
Frugivorous birds are found in large numbers in tropical forests mainly because of :
1. lack of niche specialisation.
2. higher annual rainfall.
3. availability of fruits throughout the year.
4. temperature conducive for their breeding.
1. lack of niche specialisation.
2. higher annual rainfall.
3. availability of fruits throughout the year.
4. temperature conducive for their breeding.
Subtopic: Components & Types of Ecosystems | Ecosystem Productivity |
68%
Level 2: 60%+
NEET - 2022
Hints
Match the List-I with List-II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (a) | Carbon dissolved in oceans | (i) | 55 billion tons |
| (b) | Annual fixation of carbon through photosynthesis | (ii) | 71% |
| (c) | PAR captured by plants | (iii) | \(4 \times 10^3 \)kg |
| (d) | Productivity of oceans | (iv) | 2 to 10% |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iv) | (iii) | (i) |
| 2. | (iii) | (iv) | (ii) | (i) |
| 3. | (ii) | (iii) | (iv) | (i) |
| 4. | (iii) | (ii) | (i) | (iv) |
Subtopic: Ecosystem Productivity |
86%
Level 1: 80%+
NEET - 2022
Hints
The amount of biomass or organic matter produced per unit area over a time period by plants during photosynthesis is called:
1. Secondary production
2. Primary production
3. Gross primary production
4. Net primary production
1. Secondary production
2. Primary production
3. Gross primary production
4. Net primary production
Subtopic: Ecosystem Productivity |
58%
Level 3: 35%-60%
NEET - 2022
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