Daily Practice Problems Ecosystem

Question 1:

The vertical distribution of various species occupying different levels is referred to as: [Level: Moderate]

(a) leaching

(b) stratification

(d) humification

Question 2:

The primary production of an ecosystem can be expressed in: [Level: Moderate]

(a) g km^-2

(b) kcal m^-2yr^-1

(d) g m^-2 yr^-1

Question 3:

Which of the following correctly represent the relation between the gross primary productivity and net primary productivity? [Level: Moderate]

(a) GPP = NPP – R

(b) NPP + GPP = R

(d) NPP = GPP – R

Question 4:

Which of the following is not a natural ecosystem? [Level: Easy]

(a) Estuary

(b) Crop field

(d) Pond

Question 5:

The annual net primary productivity of the whole biosphere is: [Level: Easy]

(a) 170 million tons

(b) 55 million tons

(d) 55 billion tons

Question 6:

Find out the incorrect statement. [Level: Difficult]

(a) Humus is a dark coloured crystalline substance that acts as nutrient reservoir.

(b) Humus is highly resistant to microbial action and thus undergo slow decomposition.

(d) Humus is degraded by the activity of certain microbes to release inorganic nutrients in a process called mineralisation.

Question 7:

Which of the following steps is not involved during decomposition of organic matter? [Level: Easy]

(a) Fragmentation

(b) Leaching

(d) Anabolism

Question 8:

Which of the following conditions will not accelerate rate of decomposition? [Level: Moderate]

(a) Detritus rich in lignin

(b) Detritus rich in sugars

(d) Detritus rich in nitrogen

Question 9:

What percent of the photosynthetically active radiation is captured by plants and converted into chemical energy of the food during photosynthesis? [Level: Moderate]

(a) 1-5%

(b) 2-10%

(d) approx. 50%

Question 10:

Which of the following trophic is generally occupied by bacteria and fungi in a forest ecosystem? [Level: Moderate]

(a) Producers

(b) Primary consumers

(d) Decomposers

Question 11:

The amount of biomass present in an ecosystem at a given time is called: [Level: Moderate]

(a) organic matter

(b) detritus

(d) standing crop

Question 12:

Find the set of correct statements from the following: [Level: Difficult]

I. Decomposition is largely an aerobic process.

II. During decomposition, fragmentation, leaching and catabolism occur simultaneously on detritus.

III. Vertical distribution of different species occupying different level is called stratification.

IV. Pond is a deep water body which is non-self-sustainable.

V. The rate of decomposition is controlled by chemical nature of the detritus and the climatic factors like temperature and moisture.

(a) I, II and V only

(b) I, II and III only

(d) I, II, III and V only

Question 13:

The major conduit for energy flow in an ecosystem is: [Level: Moderate]

(a) grazing food chain

(b) detritus food chain

(d) decomposer food chain

Question 14:

The amount of energy stored at the producer level in a grassland ecosystem is 10,000 J. What will be the energy present in the organisms occupying the ‘secondary consumer’ trophic level? [Level: Moderate]

(a) 1 J

(b) 10 J

(d) 1000 J

Question 15:

Find out the correct statement: [Level: Difficult]

(a) A trophic level in a food chain represents a functional level, not any species as such.

(b) A given species never occupies more than one trophic level in the same ecosystem simultaneously.

(d) Pyramid of energy and number can never be upright.

Question 16:

Statement I: [Level: Difficult]
In terrestrial ecosystem, a large amount of energy passes through the detritus food chain.

Statement II:

The detritus food chain begins with the living organisms.

With respect to the statements given above, choose the correct answer from the options given below:

(a) Statement I is correct but Statement II is incorrect.

(b) Statement I is incorrect but Statement II is correct.

(d) Both Statement I and Statement II are correct.

Question 17:

Match the items given in Column I to Column II and find the correct answer from the options given below: [Level: Difficult]

Column I	Column II
1. Fragmentation	(i) Degradation of detritus by bacterial and fungal enzymes
2. Catabolism	(ii) Precipitation of water-soluble nutrients as unavailable salts
3. Mineralisation	(iii) Breakdown of detritus into smaller pieces
4. Leaching	(iv) Release of inorganic nutrients from the humus

	1.	2.	3.	4.
(a)	(iii)	(ii)	(iv)	(i)
(b)	(ii)	(iii)	(iv)	(i)
(c)	(iii)	(ii)	(i)	(iv)
(d)	(iii)	(i)	(iv)	(ii)

Question 18:

Which of the following ecological pyramids is always upright?: [Level: Moderate]

(a) Pyramid of biomass

(b) Pyramid of energy

(d) None of the above

Question 19:

What will be the shape of the ecological pyramid of number obtained in a tree ecosystem? [Level: Easy]

(a) Upright

(b) Inverted

(d) Linear

Question 20:

Which of the following pyramid of biomass is generally inverted? [Level: Easy]

(a) Sea ecosystem

(b) Forest ecosystem

(d) None of the above

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Application of Knowledge: Problem-solving allows you to apply the theoretical concepts of the topic NEET Biology Ecosystem you have learned to real-life situations. It helps you bridge the gap between abstract knowledge and practical scenarios, making the learning more relevant and meaningful.
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Retention and Recall: Actively engaging in problem-solving reinforces your memory and improves long-term retention. Applying the concepts learned in Ecosystem NEET Biology in practical scenarios helps you remember them better than passive reading or memorization.
Identifying Knowledge Gaps: When you attempt to solve problems, you may encounter areas where your understanding is lacking. These knowledge gaps become evident during problem-solving, and you can then focus on filling those gaps through further study and practice. You can refer Ecosystem NEET Biology Notes on LearnoHub.com
Boosting Confidence: Successfully solving problems after learning a theoretical concept boosts your confidence in your abilities to handle Ecosystem. This confidence motivates you to tackle more challenging tasks and improves your overall performance in the subject.
Preparation for Exams and Challenges: Many exams, especially in science, mathematics, and engineering, involve problem-solving tasks. Regular practice in problem-solving prepares you to face these exams with confidence and perform well. It is also advised to take tests on Ecosystem NEET Biology Online Tests at LearnoHub.com.
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Life Skills Development: Problem-solving is a valuable life skill that extends beyond academics. It equips you with the ability to tackle various challenges you may encounter in personal and professional life.
Improving Decision Making: Problem-solving involves making decisions based on available information and logical reasoning. Practicing problem-solving enhances your decision-making skills, making you more effective in making informed choices.

In summary, problem-solving after learning a theoretical concept on CBSE Ecosystem NEET Biology is an essential part of the learning process. It enhances your understanding, critical thinking abilities, and retention of knowledge. Moreover, it equips you with valuable skills that are applicable in academic, personal, and professional contexts.

You must have heard of the phrase “Practice makes a man perfect”. Well, not just a man, practice indeed enhances perfection of every individual.

Practicing questions plays a pivotal role in achieving excellence in exams. Just as the adage goes, "Practice makes perfect," dedicating time to solve a diverse range of exam-related questions yields manifold benefits. Firstly, practicing questions allows students to familiarize themselves with the exam format and types of problems they might encounter. This familiarity instills confidence, reducing anxiety and improving performance on the actual exam day. Secondly, continuous practice sharpens problem-solving skills and enhances critical thinking, enabling students to approach complex problems with clarity and efficiency. Thirdly, it aids in identifying weak areas, allowing students to focus their efforts on improving specific topics. Moreover, practice aids in memory retention, as active engagement with the material reinforces learning. Regular practice also hones time management skills, ensuring that students can allocate appropriate time to each question during the exam. Overall, practicing questions not only boosts exam performance but also instills a deeper understanding of the subject matter, fostering a holistic and effective learning experience.

All About Daily Practice Problems on NEET Biology Ecosystem NCERT Chapter 14

Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on NEET Biology Ecosystem NCERT Chapter 14 useful.

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