NEET-UG SERIES Biology
Ecology And Environment
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
2
2024 3
2013 Chapter Questions 5 MCQs
01
PYQ 2013
medium
biology ID: neet-ug-
Which one of the following processes during decomposition is correctly described ?
1
Fragmentation - Carried out by organisms such as earthworm
2
Humification - Leads to the accumulation of a dark coloured substance humus which undergoes microbial action at a very fast rate
3
Catabolism - Last step in the decomposition under fully anaerobic condition
4
Leaching - Water soluble inorganic nutrients rise to the top layers of soil
02
PYQ 2013
medium
biology ID: neet-ug-
A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is
1
Ectoparasitism
2
Symbiosis
3
Commensalism
4
Amensalism
03
PYQ 2013
medium
biology ID: neet-ug-
Secondary productivity is rate of formation of new organic matter by
1
Producer
2
Parasite
3
Consumer
4
Decomposer
04
PYQ 2024
medium
biology ID: neet-ug-
Match List I with List II :
Choose the correct answer from the options given below :
| List - I | List – II | ||
| A. | Predator | i. | Ophrys |
| B. | Mutualism | ii. | Pisaster |
| C. | Parasitism | iii. | Female wasp and fig |
| D. | Sexual deceit | iv. | Plasmodium |
1
A-III, B-II, C-I, D-IV
2
A-IV, B-I, C-II, D-III
3
A-II, B-II, C-I, D-IV
4
A-II, B-III, C-IV, D-I
05
PYQ 2024
medium
biology ID: neet-ug-
Match List I with List II :
Choose the correct answer from the options given below :
| List - I | List – II | ||
| A. | Migratory flamingoes and resident fish in South American lakes | i. | Interference competition |
| B. | Abingdon tortoise became extinct after introduction of goats in their habitat | ii. | Competitive release |
| C. | Chathamalus expands its distributional range in the absence of Balanus | iii. | Resource Partitioning |
| D. | Five closely related species of Warblers feeding in different locations on same tree | iv. | Interspecific competition |
1
A-I, B-IV, C-III, D-II
2
A-IV, B-I, C-II, D-III
3
А-III, В-1, C-II, D-IV
4
A-II, B-IV, C-III, D-I
About Ecology And Environment - NEET-UG
Ecology And Environment is a vital chapter for NEET-UG aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Ecology And Environment PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Ecology And Environment carry the most weight. Then, tackle the questions iteratively to solidify your understanding.