Daily Practice Problems undefined Organisms and Populations

Question 1:

The type of growth observed when the resources in the environment are limited is: [Level: Moderate]

(a) geometric

(b) exponential

(d) logistic

Question 2:

Which among the following is not a population attribute? [Level: Moderate]

(a) Birth

(b) Sex ratio

(d) Age distribution

Question 3:

Which of the following pairs contribute to the increase in the population density? [Level: Moderate]

(a) Natality, emigration

(b) Mortality, emigration

(d) Natality, immigration

Question 4:

What does ‘r’ in the exponential growth equation N_t= N₀e^rt represent? [Level: Easy]

(a) rate of doubling

(b) intrinsic rate of natural increase

(d) rate of population explosion

Question 5:

The Verhulst-Pearl logistic growth curve looks like the English alphabet: [Level: Easy]

(a) J

(b) S

(d) V

Question 6:

Find out the correct statement. [Level: Difficult]

(a) Under particular set of selection progresses, organism evolve towards the most efficient reproductive strategy.

(b) In amensalism, one species is harmed whereas the other is benefited.

(d) ‘Biological Control’ methods adopted in agricultural pest control are based on the ability of the prey to regulate predator population.

Question 7:

Determine the death rate in a population of 20 lions in a forest where 4 lions died after one year. [Level: Easy]

(a) 0.1

(b) 0.2

(d) 5.0

Question 8:

Which of the following interspecific relation can be represented as + - . [Level: Moderate]

(a) Mutualism

(b) Parasitism

(d) Ammensalism

Question 9:

Which of the following plants is seen growing in abandoned fields and produces highly poisonous cardiac glycosides to prevent themselves from being browsed upon by any cattle or goats? [Level: Moderate]

(a) Calotropis

(b) Cinchona

(d) Acacia

Question 10:

Which of the following equations correctly describes the logistic population growth? [Level: Moderate]

(a)

(b)

(c)

(d)

Question 11:

Which of the following organisms is highly distasteful to its predator due to the presence of a chemical present in its body? [Level: Moderate]

(a) Grasshopper

(b) Monarch butterfly

(d) Common housefly

Question 12:

Asymptote in a logistic growth curve is obtained when: [Level: Difficult]

(a) N=K

(b) N<K

(d) N=0

Question 13:

Which of the following interaction is shown by cattle egret and the cattle? [Level: Moderate]

(a) Amensalism

(b) Mutualism

(d) Parasitism

Question 14:

Which of the following is a mechanism evolved to promote co-existence rather than exclusion? [Level: Moderate]

(a) Resource partitioning

(b) Resource capturing

(d) Competitive release

Question 15:

Which of the following statements regarding ‘predation’ is incorrect? [Level: Difficult]
(a) Predation serves as conduits for the transfer of chemical energy stored at one trophic level to the next through food chain.

(b) Predation helps in regulating prey population in the ecosystem which may otherwise cause ecological imbalance.

(c) In predation, if the predator is too efficient and overexploits its prey, the prey might get extinct and following it, the predator will also get extinct due to lack of food.

(d) Predation plays no role in maintaining the species diversity in a given community.

Question 16:

Statement I: [Level: Difficult]
According to G.F. Gause, if two species compete for the same resource, the competitively superior species will eliminate the inferior one.

Statement II:

Gause’s principle of competitive exclusion states that two species competing for the same limiting resource can co-exist indefinitely.

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. Sea anemone and clown fish	(i) Brood parasitism
2. Cuckoo laying eggs in crow’s nest	(ii) Competition
3. Algae/ cyanobacteria and fungi	(iii) Commensalism
4. Abingdon tortoise and goats	(iv) Mutualism

	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:

Cuscuta, a plant that has lost its chlorophyll and leaves in due course of evolution, is a/an: [Level: Moderate]

(a) ectoparasite

(b) endoparasite

(d) blood parasite

Question 19:

‘Pseudocopulation’ serves in pollination of: [Level: Easy]

(a) Ophrys

(b) Yucca

(d) Cuscuta

Question 20:

The association between fungi and roots of higher plants is an example of: [Level: Easy]

(a) commensalism

(b) mutualism

(d) amensalism

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Problem-solving on NEET Biology Organisms and Populations NCERT Chapter 13 after learning a theoretical concept is crucial for several reasons:

Application of Knowledge: Problem-solving allows you to apply the theoretical concepts of the topic NEET Biology Organisms and Populations 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 Organisms and Populations 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 Organisms and Populations NEET Biology Notes on LearnoHub.com
Boosting Confidence: Successfully solving problems after learning a theoretical concept boosts your confidence in your abilities to handle Organisms and Populations. 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 Organisms and Populations 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 Organisms and Populations 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 Organisms and Populations NCERT Chapter 13

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 Organisms and Populations NCERT Chapter 13 useful.

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