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Selina Concise ICSE Solutions for Class 8 Biology – Chapter wise Exercise Questions solved and important points to remember.  Click on the links given alongside the chapters:- Chapter 1 Transportation in Plants:  http://transportation-in-plants Chapter 2 Reproduction in Plants:  http://reproduction Chapter 3 Reproduction in Humans:  http://reproduction-in-humans Chapter 4 Ecosystems:  http://ecosystems Chapter 5 Endocrine System and Adolescence:  http://endocrine-system-and-adolescence Chapter 6 The Circulatory System:  http://the-circulatory-system Chapter 7 Nervous System:  http://nervous-system Chapter 8 Diseases and First Aid:  http://diseases-and-first-aid Chapter 9 Food Production:  http://food-production

Selina Concise ICSE Solutions for Class 8 Biology Chapter 9 Food Production REVIEW QUESTIONS Multiple Choice Questions: 1. Put a tick mark (✓) against the correct alternative in the following statements: (i) Which one of the following is an indigenous breed of dairy cows ? Jersey Frieswal Sahiwal Dangi (ii) Which one of the following is the common breed of buffalo found in Gujarat ? Surti Murrah Gir Mehsana (iii) Identify the indigenous breed of poultry of India: White leghorn HH-260 Aseel B-77 (iv) Which one of the following is a rabi crop Mustard Pea Rice Wheat (v) Identify the Kharif crop: Barley Mustard Rice Wheat (vi) One of the following is a bacterial disease of sheep and goat. Identify it. Sore mouth Rinderpest Goat pox Brucellosis (vii) Which one of the following is a bacterial disease of cattle in which the animal gets swelling on body parts, especially on the neck ? Cow pox Anthrax Salmonellosis Rinderpest (viii) The plants that live for more than two years are called: Annua...

Selina Concise ICSE Solutions for Class 8 Biology Chapter 9 Diseases and First Aid REVIEW QUESTIONS Multiple Choice questions: 1. Put a tick mark (✓) against the correct alternative in the following statements: (a) A mosquito is a vector for Typhoid Cholera Malaria Jaundice (b) Dengue is caused by a Protozoan Virus Worm Fungus (c) The idea of vaccination was conceived by Charles Darwin Alexander Flemming Issac Newton Edward Jenner (d) Which one of the following is not a psychotropic drug ? Morphine Cocaine Heroin Penicillin (e) Which one of the following is a communicable disease ? Measles Cancer Heart stroke Allergy (f) Cataract is a disease of: – Ears Nose Eyes Throat (g) Infectious diseases can be prevented by: Medicines Proper food Immunisation Exercise (h) Which one of the following is a genetic disease ? Scurvy Leukemia Goitre Haemophilia (i) Which one of the following is a degenerative disease ? Thalassemia Beri-beri Cataract Diabetes (j) Pellagra is one disease caused by the de...

Selina Concise ICSE Solutions for Class 8 Biology Chapter 7 Nervous System REVIEW QUESTIONS Multiple Choice Questions: 1. Put a tick mark (✓) against the correct alternative in the following statements: (a) Medulla oblongata controls Smelling Beating of heart and respiratory movement Intelligence and will power Balancing the body (b) Balance of body is controlled by: Spinal cord Cerebellum Cerebrum Medulla (c) The smell of good food causes watering of your mouth. It is a Natural reflex Acquired relfex Inborn reflex Ordinary reflex (d) The structural and functional unit of nervous system is a Axon Nephron Neuron Texon Short Answer Questions: Question 1. Name the two types of coordination which take place in our body. Answer: (a) Nervous coordination: By nerves and brain (b) Chemical coordination: By hormones Question 2. You are driving your bicycle at a fast speed. Suddenly, a small boy comes in front of your cycle and, without wasting any time in thinking, you immediately apply the bra...

Selina Concise ICSE Solutions for Class 8 Biology Chapter 5 Endocrine System and Adolescence REVIEW QUESTIONS Multiple Choice Questions: 1. Put a tick mark (✓) against the correct alternative in the following statements: (a) Cortisone hormone is secreted by: Medulla of adrenal Cortex of adrenal Pancreas Thyroid (b) Which one of the following hormones stimulates the breakdown of glycogen in the liver into glucose: Insulin Adrenaline Glucagon Thyroxine (c) Which one of the following hormones converts excess of glucose into glycogen: Glucagon Thyroxine Insulin Adrenaline (d) Which one of the following glands is also called master gland: Pituitary gland Adrenal gland Thyroid gland Ovary (e) The emergency hormone to face the danger or to fight is secreted by: Islets of Langerhans Adrenal cortex Pituitary Adrenal medulla (f) Which one of the following endocrine glands produces its hormone in large quantities as a result of emotional stimulation? Thyroid Islets of Langerhans Adrenal medulla A...

Selina Concise Solutions for Class 8 Biology Chapter 4 Ecosystems REVIEW QUESTIONS Multiple Choice Questions: 1. Put a tick mark (✓) against the correct alternative in the following statements: a. The term “ecosystem” is derived from the Greek word “Oikos” meaning. Body weight Food House Size b. Rat in any food chain would occupy the position of Tertiary consumer Secondary consumer Primary consumer Producer c. Evergreen broad-leaved trees are characteristic of Tropical rain forests Temperate deciduous forests Coniferous forests All of the above types of forests. Short Answer Type: 1. Mention if the following statements are true (T) or false (F). (a) Snakes are primary consumers (T/F) (b) Some humans are strictly primary consumers & some others are of other types of consumers also (T/F) (c) No ecosystem can survive without light (T/F) (d) Cattle go to ponds for drinking water, so they are a constituent of pond ecosystem (T/F) Answer: (a) Snakes are primary consumers (F) No the snake...

Selina Concise ICSE Solutions for Class 8 Biology Chapter 3 Reproduction in Humans REVIEW QUESTION Multiple Choice Questions: 1. Put a tick mark (✓) against the correct alternative in the following statements: (a) The testes are located within the: Penis Scrotum Ureter Urinary bladder (b) Amoeba is most commonly reproduced by: Budding Regeneration Binary fission Multiple fission (c) Identify the stage which is formed after the fertilisation of the egg by the sperm? Ovule Foetus Embryo Zygote (d) Internally, the uterus opens into: Urethra Vagina Oviduct Vulva (e) Which one of the following represents the correct sequence in the life history of a butterfly ? Egg → Larva → Adult → Pupa Egg → Pupa → Adult → Larva Egg → Larva → Pupa → Adult Egg → Pupa → Larva → Adult Short Answer Questions: Question 1. Distinguish between the following pair of terms: (a) Egg and sperm. (b) Sexual reproduction and asexual reproduction. (c) Budding and Regeneration. Answer: (a) Egg and sperm Egg Sperm Egg is ...