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Biology Practical Class 11: Get the Best Help from Experts

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Last updated date: 22nd May 2024
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Understand the Concepts With CBSE Biology Practical Class 11 Guide

Vedantu is offering Biology Practical Class 11 manual and PDF for students. Class 11 is a crucial year for students as it marks the beginning of their journey towards higher education. It is the year when they start laying the foundation for their future academic and professional careers. The curriculum of Class 11 is designed to provide students with a strong understanding of various subjects, helping them develop critical thinking, problem-solving, and analytical skills. The year is also a gateway to competitive exams that will determine their future in terms of academic and professional aspirations.


Among the subjects taught in Class 11, Biology plays a significant role. It is a science that deals with the study of living organisms, their structure, function, and interaction with the environment. Practical classes in Biology are an essential part of the curriculum as they provide students with hands-on experience in conducting experiments and understanding concepts better. These practicals give students a chance to observe, manipulate, and analyze different specimens, and understand how different organisms function in different environments.


Moreover, the Class 11 Practical Biology PDF provides students with a platform to develop important skills such as observation, data recording, analysis, and interpretation. These skills are essential for students who plan to pursue a career in medicine, research, or other related fields. By practising and developing these skills in Class 11, students can have a solid foundation to build on in the future.

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Competitive Exams after 12th Science

Download Class 11 Biology Practical Lab Manual and Get all the Help

Vedantu is an online learning platform that provides students with resources to help them excel in their academic pursuits. For students in Class 11 who are studying Biology, Vedantu offers a range of practical resources, including PDFs and lab manuals.


These resources have been specifically designed to help students prepare for their Biology practical exams. The Class 11 Biology Practical Lab Manual PDF contains detailed explanations of various experiments, along with step-by-step instructions on how to conduct them. They also provide students with tips on how to record their observations accurately and how to write a clear and concise lab report.


The CBSE Biology Practical Class 11 Lab Manual has many benefits for students. Some of the key benefits include:


Clear and Concise Instructions

CBSE Class 11 Biology Lab Manual offers clear and concise instructions on how to conduct experiments. This ensures that students are able to follow the steps correctly and obtain accurate results.


Simplified Explanations

The Class 11 Practical Biology PDF gives simplified explanations of complex concepts, which can be difficult to understand otherwise. This helps students to understand the underlying principles and mechanisms of biological processes and phenomena.


Improved Understanding

The practical resources help to improve the students' understanding of the subject matter by providing a detailed explanation of the experiments and the underlying concepts.


Saves Time

The Lab Manuals and PDFs save time for students as they do not have to search for information from multiple sources. All the necessary information is available in one place, making it easy for students to access and utilize.


Accessible and Convenient

The resources are accessible and convenient for students, as they can be downloaded and accessed at any time, from anywhere. This allows students to study and prepare for practical exams at their own pace and convenience.


Structured Approach

The Class 11 Biology Practical Lab Manual PDF provides a structured approach to learning, which helps students to understand the subject matter more easily. The experiments are presented in a logical sequence, which makes it easier for students to follow and comprehend.


Preparation for Exams

When it comes to preparation for practical exams of Class 11 Biology, students will get all the help that they need. By practising the experiments outlined in the Lab Manuals and PDFs, students can gain confidence and improve their performance in the practical exams.


Biology Practical Class 11 MCQs with Answers 

1. What is the main difference between the structure of the stems of dicots and monocots?


a) The presence or absence of vascular bundles

b) The presence or absence of epidermis

c) The thickness of the cortex

d) The size of the pith

Answer: a) The presence or absence of vascular bundles


2. What is the function of the cortex in plant stems?


a) To provide mechanical support to the stem

b) To store water and nutrients

c) To transport water and nutrients

d) To protect the stem from pathogens

Answer: b) To store water and nutrients


3. What happens to the potato slice in a hypertonic solution?


a) It becomes turgid

b) It becomes flaccid

c) It swells and bursts

d) It remains unchanged

Answer: b) It becomes flaccid


4. What is the direction of water movement in osmosis?


a) From a hypertonic solution to a hypotonic solution

b) From a hypotonic solution to a hypertonic solution

c) From an isotonic solution to a hypotonic solution

d) From an isotonic solution to a hypertonic solution

Answer: b) From a hypotonic solution to a hypertonic solution


5. What is the main reason for the occurrence of plasmolysis in plant cells?


a) The loss of water from the cell

b) The gain of water by the cell

c) The presence of solutes in the cell

d) The absence of solutes in the cell

Answer: a) The loss of water from the cell


6. In what type of solution does plasmolysis occur?


a) Hypotonic

b) Hypertonic

c) Isotonic

d) None of the above

Answer: b) Hypertonic


7. Which surface of the leaf has a higher density of stomata?


a) Upper surface

b) Lower surface

c) Both surfaces have the same density of stomata

d) It depends on the species of the plant

Answer: b) Lower surface


8. What is the main function of stomata in plants?


a) To allow the entry of carbon dioxide for photosynthesis

b) To allow the exit of oxygen produced during photosynthesis

c) To regulate the water content of the plant

d) To protect the plant from pathogens

Answer: a) To allow the entry of carbon dioxide for photosynthesis


9. What is the role of stomata in transpiration?


a) To absorb water from the soil

b) To release water vapor into the atmosphere

c) To regulate the temperature of the leaf

d) To protect the leaf from herbivores

Answer: b) To release water vapor into the atmosphere


10. In which surface of the leaf does transpiration occur more rapidly?


a) Upper surface

b) Lower surface

c) Both surfaces transpire at the same rate

d) It depends on the species of the plant

Answer: a) Upper surface


11. Which reagent is used to test for the presence of proteins?


a) Benedict's solution

b) Iodine solution

c) Biuret reagent

d) Sudan III

Answer: c) Biuret reagent


12. Which of the following tests is used to detect the presence of protein in a given sample of animal material?


a) Fehling’s test

b) Biuret test

c) Iodine test

d) Benedict’s test

Answer: b) Biuret test


13. Which of the following techniques is used to separate plant pigments?


a) Electrophoresis

b) Chromatography

c) Spectroscopy

d) PCR

Answer: b) Chromatography


14. Which of the following is true about respiration in plants?


a) It takes place only during the day

b) It takes place only at night

c) It takes place both during the day and night

d) It takes place only when the plant is photosynthesizing

Answer: c) It takes place both during the day and night


15. Which of the following tests is used to detect the presence of urea in urine?


a) Benedict’s test

b) Fehling’s test

c) Biuret test

d) Urease test

Answer: d) Urease test


16. Which of the following tests is used to detect the presence of sugar in urine?


a) Benedict’s test

b) Fehling’s test

c) Biuret test

d) Iodine test

Answer: a) Benedict’s test


Succeed in Your Exams With CBSE Biology Practical Class 11 PDF 

The CBSE Class 11 Practical Biology PDF is an indispensable tool for students who want to improve their understanding of the subject and prepare efficiently for their practical exams. These resources are designed to provide clear instructions, simplified explanations, and a structured approach to learning, which can help students excel in their studies. The lab manuals and PDFs contain all the necessary information and guidelines that students need to conduct their experiments successfully.


With the help of these resources, students can learn the proper techniques for conducting experiments, recording observations, and analysing results. The simplified explanations and structured approach to learning can help students understand the underlying concepts of the experiments and apply them effectively. Also, the Biology Practical Class 11 manuals and PDFs can also help students save time by providing all the necessary information in one place, eliminating the need to search for information from multiple sources.

FAQs on Biology Practical Class 11: Get the Best Help from Experts

1. What is the format of the practical exam for CBSE Class 11 Biology?

The practical exam for CBSE Class 11 Biology typically consists of 30 marks, and students are required to perform experiments and record their observations in a lab manual. The exam also includes viva questions, which are based on the experiments and concepts covered in the practicals.

2. How can I prepare to perform well in the Class 11 Biology practical exams?

To prepare for CBSE Class 11 Biology practical exams, students can refer to lab manuals and practical resources provided by their school or online platforms like Vedantu. They should practice performing experiments and recording observations accurately, and also brush up on their theoretical knowledge of the subject.

3. What is an important benefit of Biology Practical Class 11 Lab Manual PDF?

One important benefit of the Class 11 Biology Practical Lab Manual PDF is that it provides students with a clear understanding of the practical experiments they will perform. The lab manual contains detailed instructions on the experiments, including the apparatus required, the procedure to be followed, and the observations to be recorded. This helps students to be well-prepared and confident when performing experiments in the laboratory.