Daily Practice Problems
Class 12 Biology
Sexual Reproduction in Flowering Plants
daily practice problem

Question 1:

Give the scientific terms for the following:

1. The transfer of pollen grains from the anther of one flower to the stigma of another flower of the same plant.

2. The entry of pollen tube into the ovule through the micropyle.

3. The type of endosperm formed when each division of the primary endosperm nucleus is followed by cytokinesis.

4. The thin and papery cotyledon, usually a characteristic of monocots.

5. One of the most resistant substances known in the living world that forms the exine layer of the pollen grain.


Question 2:

Find out the number of meiotic divisions to be undergone by the spore mother cells in order to produce:

(i) 800 microspores

(ii) 160 megaspores


Question 3:

Arrange the following stages involved in the development of a dicot embryo in the correct sequence:

Proembryo, heart-shaped embryo, globular embryo, zygote, mature embryo.


Question 4:

How do cleistogamous flowers differ from the chasmogamous flowers? Explain with examples.


Question 5:

Briefly explain the various ways through which the pollen tube may enter into the ovule to fertilise the egg.


Question 6:

Define the following terms:

1. Triple fusion

2. Apomixis

3. Parthenocarpy

4. Megasporogenesis

5. Seed dormancy


Question 7:

State whether the following statements are true or false.

1. Cross pollination requires abiotic and biotic agents.

2. Only meiotic divisions are involved in asexual reproduction.

3. Microspores and megaspores are diploid.

4. In most angiosperms, a haploid female gametophyte usually containing 8 nuclei is present within the megasporangium.

5. Development of female gametophyte in most angiosperms is bisporic.


Question 8:

What is the objective of pollination? How would you classify the types of pollination based on the source of pollen?


Question 9:

List down any four functions of Tapetum.


Question 10:

Match the columns A and B.

             Column A

Column  B

1. Female gametophyte

  a. Exine

2. Male gametophyte

  b. Micropylar end

3. Sporopollenin

  c. Embryo sac

4. Antipodal cells

  d. Pollen grain

5. Egg apparatus

  e. Chalazal end


Question 11:

Explain the various outbreeding devices witnessed in plants.


Question 12:

Briefly explain what is meant my double fertilisation?


Question 13:

What is the fate of the following parts post-fertilisation?

1. Ovule

2. Ovary

3. Integuments

4. Egg

5. Nucellus


Question 14:

Why does endosperm formation precedes embryo formation in most of the angiosperms?


Question 15:

How are true fruits, false fruits and parthenocarpic fruits different from each other?


Question 16:

What is meant by polyembryony? Give one suitable example.


Question 17:

Draw a well labelled diagram of a longitudinal section through an anatropous ovule.


Question 18:

Briefly describe how artificial hybridisation can be achieved in a crop improvement programme.


Question 19:

List down the various adaptations seen in an anemophilous flower. Also, mention the names of any two plants in which pollination is achieved by this means.


Question 20:

With the help of a diagram, depict the organisation of a 7-celled-8-nucleated embryo sac.


Problem-solving on Class 12 Biology Sexual Reproduction in Flowering Plants NCERT Chapter 1 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 12 Biology Sexual Reproduction in Flowering Plants 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 12 Biology Sexual Reproduction in Flowering Plants NCERT Chapter 1, 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 Sexual Reproduction in Flowering Plants Class 12 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 Sexual Reproduction in Flowering Plants Class 12 Biology Notes on LearnoHub.com
  6. Boosting Confidence: Successfully solving problems after learning a theoretical concept boosts your confidence in your abilities to handle Sexual Reproduction in Flowering Plants. 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 Sexual Reproduction in Flowering Plants Class 12 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 Sexual Reproduction in Flowering Plants Class 12 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 12 Biology Sexual Reproduction in Flowering Plants NCERT Chapter 1

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 12 Biology Sexual Reproduction in Flowering Plants NCERT Chapter 1 useful.

Last but not least, to get the best hold on Class 12 Biology Sexual Reproduction in Flowering Plants NCERT Chapter 1, do not forget to check out:

  • Sexual Reproduction in Flowering Plants Class 12 Biology Best videos
  • Sexual Reproduction in Flowering Plants Class 12 Biology NCERT Solutions
  • Class 12 Biology Sexual Reproduction in Flowering Plants Revision notes
  • Sexual Reproduction in Flowering Plants Class 12 Biology DPPs, Download PDF of solutions
  • Class 12 Biology Sexual Reproduction in Flowering Plants Online Tests
  • Class 12 Biology Sample papers