CBSE Class 12 Biology Worksheet Set G Solved

Access the latest CBSE Class 12 Biology Worksheet Set G Solved. We have provided free printable Class 12 Biology worksheets in PDF format, specifically designed for All Chapters. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

All Chapters Biology Practice Worksheet for Class 12

Students should use these Class 12 Biology chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for All Chapters, to help you prepare for school tests and final examination. Regular practice of these Class 12 Biology questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

Download Class 12 Biology All Chapters Worksheet PDF

1. Name the stage of human embryo at which it gets implanted. 
 
2. Will the distribution level of species be affected by gradual increase in temperature? Say briefly.
 
3. State the function of i) acrosome ii) zona pellucida in fertilisation 
 
4. How have plants developed defense against predators? 
 
5. Name the following
i] Species that can tolerate narrow range of temperature are called
ii]The interaction between two species
 
6. What is Lactation? How is it helpful? Why Colostrum is important for baby? 
 
7. Give an example for:
(a) An endothermic animal
(b) An ectothermic animal
(c) An organism of benthic zone
 
8. List any three important characteristics of a population and explain. 
 
9. What is altitude sickness? How does the body overcome this?
 
VALUE POINTS 
 
1. Blastocyst 
 
2. Yes, the pattern of distribution will shift towards the poles with increase in temperature
 
3. acrosome= help the sperm enter into the cytoplasm of the ovum through the zona pellucida and plasma membrane." zona pellucida - block the entry of more than one sperm into egg during fertilization.
 
4. Morphological-thorns and Spines; chemical-cardiac glycosides defences 
 
5. stenothermal
interspecific interaction
 
6. mammary gland starts differentiating and producing milk at the end of pregnancy./ to feed the baby/ contains antibodies to provide immunity to baby.
 
7. (a) An endothermic animal: Human being (Mammal)
(b) An ectothermic animal: Frog (Amphibian)
(c) An organism of benthic zone: Bacteria (Decomposers)
 
8. i. Density: It is expressed as the total number of individuals per unit area or volume at a given time. The size of the population is determined by the available resources nutrients, water etc. at a given time and other group properties such as natality, mortality and age structure.
ii. Natality: It is the increase in the number of individuals in a population under given environmental conditions. Birth, hatching, germination and even vegetative propagation cause increase in the number of individuals.
iii. Mortality: The loss of individuals due to death in a population under given environmental conditions is called mortality.
 
9. At higher altitudes the body shows symptoms like nausea, fatigue, Heart palpitations, due to insufficient oxygen in the body. The body increases RBC production, decreases oxygen binding capacity of haemoglobin and I ncreases breathing rate.


Please click on below link to download CBSE Class 12 Biology Worksheet Set G Solved

All Chapters CBSE Class 12 Biology Worksheet

Students can use the All Chapters practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 12 Biology. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.

NCERT Based Questions and Solutions for All Chapters

Our expert team has used the official NCERT book for Class 12 Biology to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions  which will help you to understand the best way to solve problems in Biology. You can get all this study material for free on studiestoday.com.

Extra Practice for Biology

To get the best results in Class 12, students should try the Biology MCQ Test for this chapter. We have also provided printable assignments for Class 12 Biology on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

Where can I download latest CBSE Practice worksheets for Class 12 Biology All Chapters

You can download the CBSE Practice worksheets for Class 12 Biology All Chapters for the latest session from StudiesToday.com

Are the Class 12 Biology All Chapters Practice worksheets available for the latest session

Yes, the Practice worksheets issued for All Chapters Class 12 Biology have been made available here for the latest academic session

Is there any charge for the Practice worksheets for Class 12 Biology All Chapters

There is no charge for the Practice worksheets for Class 12 CBSE Biology All Chapters you can download everything free

How can I improve my scores by solving questions given in Practice worksheets in All Chapters Class 12 Biology

Regular revision of practice worksheets given on studiestoday for Class 12 subject Biology All Chapters can help you to score better marks in exams

Are there any websites that offer free Practice test papers for Class 12 Biology All Chapters

Yes, studiestoday.com provides all the latest Class 12 Biology All Chapters test practice sheets with answers based on the latest books for the current academic session