In the equation 

GPP is Gross Primary Productivity  NPP is net Primary Productivity R here is ___________
1. Reproductive allocation 
2. Photosynthetically active radiation 
3. Respiratory quotient 
4. Respiratory loss
Subtopic:  Ecosystem Productivity |
 85%
From NCERT
NEET - 2023
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Identify the correct Statements :
 
A. Detrivores perform fragmentation.
B. The humus is further degraded by some microbes during mineranlization.
C. Water soluble inorganic nutrients go down into the soil and get precipitated by a process called leaching.
D. The detritus food chain begins with living organisms.
E. Earthworms break down detritus into smaller particles by a process called catabolism.

Choose the correct answer from the options given below :
1. D, E, A only  2. A, B, C only
3. B, C, D only  4. C, D, E only
Subtopic:  Decomposition |
 80%
From NCERT
NEET - 2023
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Given below are two statements:
 
Statement I: Decomposition is a process in which the detritus is degraded into simpler substances by microbes.
Statement II: Decomposition is faster if the detritus is rich in lignin and chitin.

In light of the above statements, choose the correct answer from the options given below: 
 
1. Statement I is correct incorrect but statement II is correct.
2. Both statement I and II are correct.
3. Both statement I and statement II are incorrect.
4. Statement I is correct but statement II is incorrect. 
Subtopic:  Decomposition |
 72%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Detritivores breakdown detritus into smaller particles. This process is called:
1. Decomposition 2. Catabolism
3. Fragmentation 4. Humification
Subtopic:  Decomposition |
 76%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Identify the correct set of statements with regard to the properties of humus.

(a) Highly resistant to microbial action 
(b) Dark-colored amorphous substance 
(c) End product of detritus food chain 
(d) Reservoir of nutrients 
(e) Undergoes decomposition very fast 


Choose the correct answer from the options given below:
1. (a), (b), and (d) only 
2. (a),(b) and (e) only 
3. (a) and (b) only 
4. (b), (c), and (a)

Subtopic:  Decomposition |
 81%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is not correct regarding the decomposition of wastes? 

(a) Low temperature inhibits decomposition
(b) Warm and moist environment favors the process 
(c) The process is anaerobic 
(d) It is slower if detritus is rich in proteins and carbohydrates 
(e) Detritus is degraded into simpler inorganic substance by fungal and bacterial enzymes 

Choose the correct answer from the options given below: 

1. (b) and (c) only  2. (c) (a) and (d) only 
3. (c) and (d) only 4. (c) (d) and (e) only
Subtopic:  Decomposition |
 60%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Given below are two statements: 

Statement I: Pyramid of energy is always upright and is the most efficient.
Statement II:  Pyramid of biomass in sea is generally inverted.

In the light of the above statements, choose the most appropriate answer from the options given below: 
1. Statement I is correct but Statement II is incorrect. 
2. Statement I is incorrect but Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.

Subtopic:  Ecological Pyramids |
 89%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

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.
Subtopic:  Components & Types of Ecosystems | Ecosystem Productivity |
 65%
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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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
Subtopic:  Ecosystem Productivity |
 53%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

In the equation GPP - R = NPP,  R represents:
1. Environment factor
2. Respiration losses
3. Radiant energy
4. Retardation factor

Subtopic:  Ecosystem Productivity |
 90%
From NCERT
NEET - 2021
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh