SELINA Solutions for Class 8 Biology ICSE

Chapter 1: Transport in Plants

This chapter in ICSE Class 8 Biology will evaluate your knowledge of the structure and function of transport tissues in plants and factors affecting the movement of nutrients and water across the plant body. It will also cover concepts of osmosis and simple diffusion, semi-permeable membrane, root pressure, transpiration and absorption of water and minerals in plants.

Chapter 2: Reproduction in Plants

Here, the questions are based on pollination, its types and types of reproduction. You will get the answers on vegetative, asexual and sexual reproduction. It will also cover cross-pollination, fertilisation and the concept of self-pollination (autogamy).

Chapter 3: Reproduction in Humans

Coming over to human reproduction, you will get solutions on asexual and sexual reproduction, fertilisation and mode of reproduction. You can evaluate your solutions on topics of implantation, parturition, placenta growth and pregnancy. Comparative or separate questions can be expected for the male and female reproductive system.

Chapter 4: Ecosystems

You will be able to get explanations for questions on animal classification, ecosystem, food chain, food web and energy pyramid. The chapter also includes forest flora and fauna, the structure of an ecosystem, and different trophic levels. You will get familiar with current issues as well, such as risks to the ecosystem and methods to conserve it.

Chapter 5: Endocrine System and Adolescence

This chapter focuses on the endocrine system of the body and its impact on the body. It helps you get a better understanding of yourself with a focus on psychological and physical changes associated with adolescence. It covers the complete human endocrine system and disorders associated with their disbalance. The chapter also helps solve questions on hygiene and stress management.

Chapter 6: The Circulatory System

The questions here cover all the important ailments of the circulatory system, which are the heart, blood and lymph. You will also be familiar with blood vessels, the basics of blood circulation, the cardiac cycle, heart-based abnormalities and conditions, the lymphatic system and tissue fluid. You will be able to evaluate yourself on human blood groups and the concept of transfusion. It also covers pacemakers and types of blood circulation.

Chapter 7: Nervous System

Begin solving questions on the human brain with insights into the structure, control and coordination of the Central Nervous System (CNS). The chapter also contains the human brain, spinal cord, reflex actions and Peripheral Nervous System (PNS). It further covers the basics of the human nervous system, such as nerve fibres and nerve cells as structural and functional units of the nervous system.

Chapter 8: Diseases and First Aid

As the name suggests, the chapter focuses on various types of diseases, disorders and addictions. It also helps students evaluate themself on immediate treatment and the following steps to take with first aid. The sub-topics in the chapter are alcohol, tobacco and drug abuse, all about communicable diseases, methods of prevention and possible treatment options.

Chapter 9: Food Production

This chapter offers help to solve questions on the food industry, the potential of microbes in food production, along with insights on their role in medicine. It also covers the green and white revolution. The concepts to be found here are dairy farming, types of animal culture, meat-providing livestock, crops and their types and more.

Performing constant revision of your chapters is always recommended to keep your memory fresh and score higher. However, the problem remains on how to check your answer. TopperLearning offers you assistance with SELINA Class 8 Biology solutions. Here are the associated advantages to expect:

• All-in-one solution availability: With answers available to all types of questions, be they one-word or long explanatory ones, you will get accurate solutions here.

• Conceptual clarity: The diagrams and step-wise explanations, if required, are also available to help you understand the question, offering clarity in fundamental concepts.

• Revision tools: Furthermore, no need to worry if you can’t answer the questions. You get to revise the concept. Simply read the answer and try to recall other details of the concept. If unable to, it is the best time to open your book for that particular topic. Alternatively, you can simply read the answers on the website to revise the chapter.

• Free of cost: What can be better than anytime, anywhere and free access to solutions? Regardless of where you are, you can make the best use of your time with the SELINA Biology Class 8.

• Access to more resources: At TopperLearning, you get not only the SELINA Class 8 Biology solutions  but also access to video lessons, sample papers and the ‘Ask a doubt’ feature. So, there isn’t any way you can lag behind your competitors.