Concise Biology Class 8 ICSE Solutions for Chapter 8 - Diseases and First Aid

The Concise Selina solutions help the students in preparing well for a complicated topic easily. The Concise Selina Solution for Biology ICSE Class 8 is prepared with the help of subject experts emphasizing the importance of all the main concepts in the ICSE Class 8 Biology syllabus. The Students can also refer to the solutions available on Vedantu’s website of ICSE Class 8 while solving Concise Selina Biology textbook questions. The solutions provide an idea to the students about solving the final question paper. 

The questions have been solved with suitable diagrams in a simple language for the understanding of the students. The ICSE Class 8 Selina solutions help the students to understand the paper pattern, level of preparation, and weaknesses. The solutions provided are elaborate with explanations, detailed solutions, and descriptive diagrams. 

Advantages of ICSE Class 8 Biology Selina Solutions:

• Selina solutions for all the chapters of Biology for the ICSE Selina textbook are provided with solutions.

• The ICSE toppers also recommend the Selina solutions for the effective preparation of the Biology ICSE exam.

• The detailed explanations along with the labeled diagrams are provided for a thorough understanding of the concepts.

Syllabus for Class 8 ICSE:

The following are the units of Biology ICSE Class 8-

Unit 1: Transport of Food and Minerals in Plants

It has the following topics covered:

• Definition of diffusion.

• Osmosis and its definition, covering the following:

• Examples for osmosis, semi-permeable membrane, active transport, and root pressure.

• Definition for transpiration, importance, and the factors that affect the process of transpiration. 

• A detailed explanation for the xylem and phloem, their structure, and functions.

• Importance of the minerals, including macro and micronutrients, and the deficiency diseases caused because of them.

Unit 2: Reproduction in Plants and Animals

It has the following topics covered:

Plants:

• Types of asexual reproduction that take place in plants. These include:

• Budding, fragmentation, binary fission, artificial propagation with tissue culture, spore formation, etc. 

• Sexual reproduction in plants covers the following:

• Parts of a typical flower.

• Self and cross-pollination.

• Agents of pollination.

• The fertilization process requires all of us to maintain a place in plants.

• Artificial pollination.

Animals:

• Sexual reproduction in humans.

• Female and male reproductive system: An overview.

Unit 3: Ecosystems

It has the following topics covered:

• Ecosystem definition, the biotic and abiotic factors.

• Biotic components include producers, decomposers, and consumers.

• Definition of the food chain, the food web, and pyramid of numbers.

• Interdependency between the organisms includes concepts of symbiosis, parasitism, predation.

• Forest ecosystems of flora and fauna are covered.

• Abiotic components include air, water, and soil, and other climatic factors which include temperature, humidity, sunlight, and wind.

Unit 4: Human Body: Endocrine, Circulatory, and Nervous System

It has the following topics covered:

Human Body Endocrine:

• Endocrine system.

• Types of glands.

• Definition of hormones.

• Hormonal glands and their functions.

Adolescence and Accompanying Changes:

• The physical and emotional changes that occur in the body during adolescence.

• Personal hygiene and its importance.

• Stress management.

Circulatory System:

• Heart structure and its details.

• Heart diagram.

• Blood vessels.

• Double circulation explains the circulation of blood.

• Types of blood groups.

• Several heart-related conditions.

• Introduction of the lymphatic system.

Nervous System:

• Types of nerves.

• Motor neuron structure.

• Detailed knowledge of the CNS.

• Reflex actions.

Unit 5: Health and Hygiene:

It has the following topics covered:

Diseases:

• A brief overview of the communicable diseases

• Vector meaning

• Prevention methods for diseases

• Vaccination and immunization

• Harmful effects of drugs, alcohol, tobacco, etc.

First Aid:

• Meaning of first aid and the various situations.

Unit 6: Food Production

It covers the following aspects:

• Bacteria, its definition, and how it is used in the food industry

• Fungi (importance of yeast and its uses)

• Agriculture covering topics of crops grown in India

• Horticulture

• Green revolution and organic farming- an overview

• Animal husbandry