Daily Practice Problems
Class 11 Biology
Biological Classification
daily practice problem

Question 1:

Choose the correct options:

1. Protozoans are classified on the basis of:

(a) their mode of nutrition

(b) their mode of reproduction

(c) their mode of locomotion

(d) All of the above


2. To which among the following kingdoms do viruses belong?

(a) Monera

(b) Protista

(c) Animalia

(d) None of the above


3. All prokaryotic unicellular organisms belong to which kingdom?

(a) Monera

(b) Protista

(c) Fungi

(d) Animalia


4. Who proposed Contagium vivum fluidum?

(a) Robert Hook

(b) D.J. Ivanowsky

(c) Stanley

(d) Beijerinek



Question 2:

Name the following:

1. The kingdom which comprises of organisms that synthesise their own food.

2. The reserve food material in animals.

3. The group of fungi that lack sexual phase in their life cycle.

4. The term given to the fungal component of the Lichens.

5. The smallest living organisms that completely lack a cell wall.


Question 3:

Fill in the blanks with appropriate words:

1. The bacteria that thrive in hot springs are called ___________.

2. The walls of diatoms are embedded with __________ which makes them indestructible.

3. The type of sexual reproduction seen in fungi where the gametes formed are morphologically similar is called __________.

4. __________ is an example of a parasitic plant.

5. The capsid is made up of a number of small units called __________.


Question 4:

Complete the given analogies by observing the relation between the first two words and then filling an appropriate word at the fourth place:

1. Salty areas : Halophiles :: Marshy areas : __________

2. Paramoecium : Ciliated protozoan :: Plasmodium : __________

3. Two kingdom classification : Carl Linnaeus :: Five kingdom classification : __________

4. Fusion of protoplasm : plasmogamy :: Fusion of nuclei : __________

5. Fungal partner : mycobiont :: Algal partner : ___________

Question 5:

Who proposed the Two Kingdom system of classification? What were its limitations?


Question 6:

Define the following terms:

1. Mycorrhiza

2. Dikaryon

3. Red tides

4. Ascocarps

5. Algal blooms


Question 7:

Match the columns A and B.

             Column A

Column  B

1. Rhizopus

  a. Chief producers in oceans

2. Gonyaulax

  b. Deuteromycetes

3. Chryosophytes

  c. Lacks cell wall

4. Mycoplasma

  d. Red tides

5. Imperfect fungi

  e. Phycomycetes


Question 8:

State whether the following statements are true or false.

1. Ascomycetes belong to kingdom Monera.

2. Dikaryophase is seen in kingdom Fungi.

3. Mad cow disease is caused by viroids.

4. Viruses can be crystallised.

5. Plasmodium is a parasitic protozoan which has cilia as its locomotory organ.


Question 9:

With the help of a flow chart make an outline of the five kingdom classification.


Question 10:

List down any four characteristics of Kingdom Monera.


Question 11:

What are heterocysts? Name any two organisms in which they are found.


Question 12:

What is meant by ‘diatomaceous earth’?


Question 13:

Briefly describe the major groups of protozoans.


Question 14:

Which group of Kingdom Fungi is called the “imperfect fungi” and why? Give any two characteristics of this group.


Question 15:

Give any two examples from kingdom Plantae which are not autotrophs.



Question 16:

Viruses are considered as the connecting link between living and non-living world. Give reason, why?


Question 17:

What are prions? Name any two diseases caused by them.


Question 18:

Briefly explain what are viroids? Who discovered them?


Question 19:

Write a brief note on ‘Lichens’.


Question 20:

List any four advantages of the five kingdom classification system.


Problem-solving on Class 11 Biology Biological Classification NCERT Chapter 2 after learning a theoretical concept is crucial for several reasons:

  1. Application of Knowledge: Problem-solving allows you to apply the theoretical concepts of the topic Class 11 Biology Biological Classification 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.
  2. Understanding Deeper Concepts: When you encounter problems related to a theoretical concept that you learned in Class 11 Biology Biological Classification NCERT Chapter 2, you are forced to delve deeper into its intricacies. This deeper understanding enhances your comprehension of the subject and strengthens your grasp of the underlying principles.
  3. Critical Thinking: Problem-solving encourages critical thinking and analytical skills. It requires you to analyze the problem, identify relevant information, and devise a logical solution. This process sharpens your mind and improves your ability to approach complex challenges effectively.
  4. Retention and Recall: Actively engaging in problem-solving reinforces your memory and improves long-term retention. Applying the concepts learned in Biological Classification Class 11 Biology in practical scenarios helps you remember them better than passive reading or memorization.
  5. 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 Biological Classification Class 11 Biology Notes on LearnoHub.com
  6. Boosting Confidence: Successfully solving problems after learning a theoretical concept boosts your confidence in your abilities to handle Biological Classification. This confidence motivates you to tackle more challenging tasks and improves your overall performance in the subject.
  7. 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 Biological Classification Class 11 Biology Online Tests at LearnoHub.com.
  8. Enhancing Creativity: Problem-solving often requires thinking outside the box and exploring various approaches. This fosters creativity and innovation, enabling you to come up with novel solutions to different problems.
  9. 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.
  10. 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 Biological Classification Class 11 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 Class 11 Biology Biological Classification NCERT Chapter 2

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 Class 11 Biology Biological Classification NCERT Chapter 2 useful.

Last but not least, to get the best hold on Class 11 Biology Biological Classification NCERT Chapter 2, do not forget to check out:

  • Biological Classification Class 11 Biology Best videos
  • Biological Classification Class 11 Biology NCERT Solutions
  • Class 11 Biology Biological Classification Revision notes
  • Biological Classification Class 11 Biology DPPs, Download PDF of solutions
  • Class 11 Biology Biological Classification Online Tests
  • Class 11 Biology Sample papers