Sone hardeo international School

 Important question answer from the topic Nervous system  A. Which one is correct ? 1. Our nervous system consists of the brain, the spinal cord and the a. blood vessels b. nerves c. lungs  Ans: c) lungs 2. Our brain needs a constant supply of a. oxygen b. nitrogen c. lungs Ans: a) oxygen 3. When we happen to touch a hot object, the sensory nerve immediately passes a message to the a. brain b. spinal cord c. hands Ans: a) brain 4. ______is the largest organ in our body. a. skin b. nose C. ears Ans: a) skin B. Fill in the blanks : 1. The brain is control centre of the body . 2. The brain has three parts . 3. There are nerve endings on the upper part of the nose . 4. The coloured circle in the eye is the iris . C. Write 'T' for true or 'F' for false : 1. The cerebellum coordinates the actions of the muscles. Ans: True  2. The actions controlled by the spinal cord are called reflex actions.  Ans: True 3. The ears enable us to keep our balance. Ans: True 4. The...

 Important question answer from the topic food and digestion . A. Which one is correct ? 1. Sugar and starch are carbohydrates . a) protein b) carbohydrates c) fat 2 Vitamin A keeps the eyes and skin healthy . a) Vitamin A b) Vitamin B c) Vitamin C 3. Proper food habits keep healthy and fit both . a) healthy b) fit  c) both B. Fill in the blanks : 1 . Oesophagus   in the digestive system connects the mouth to the stomach. 2. Saliva softness food in our mouth. 3. Digestion is completed in the small intestine. 4. The three glands that help to complete the digestion are  liver, gall bladder    an d  pancreatic gland . 5. Solids move from the large intestine into the rectum .  6. The liver secretes bile juice which digest fat . 7. Digestion begins in the mouth . 8 . Undigested solid waste is thrown out from the body through the anus . C. Write T' for true or 'F' for false statements : 1. Digestion begins in the stomach.  False 2. Food mo...

Important questions and answers from the topic Nutrition in animals . Types of questions :  Very short answer type questions Short answer type questions Long answer type questions Multiple choice questions ( MCQs) Very Short Answer Type Questions : 1. What is the scientific name of the process of taking food into the body?  Ans: The scientific name of the process of  "taking food into the body" is ingestion . 2. Name the substance which mixes with food in the mouth during chewing by teeth  Ans: Saliva juice is the substance which mixes with food in the mouth during chewing by teeth . 3. Name the process which moves the food forward in the food pipe as well as the whole alimentary canal  Peristalsis  is the process which moves the food forward in the food pipe as well as the whole alimentary canal . 4. (a) Where is the water from undigested food absorbed in the body ? Ans: In t he large intestine the water from undigested food absorbed in the body . ...

 Important questions & answers from the topic food nutrients & deficiency . Types of questions : • Very short answer type questions • Short answer type questions • Long answer type questions • MCQs • Very Short Answer Type Questions 1. A foodstuff gives a blue-black colour with dilute iodine solution. Name the constituent of food indicated by this test. Ans: The constituent of foods stuff is starch . 2. Name the solution which can be used to test the presence of starch in a food.  Ans: Dilute iodine solution can be used to test the presence of starch in a food . 3. Which vitamin is easily destroyed by heat during the cooking of food ? Ans: Vitamin C is easily deastroyed by heat during the cooking of food . 4. When a little of food material is rubbed in the centre of a paper and then the paper is held towards light,  a  bright greasy patch (translucent patch) is observed. Name the component of food indicated by this test. Ans: The component of food indicate...

  Important question answer from the topic Reproduction in animals . Types of questions :  • Mcq • Fill in the blanks • True or false • Question answer • Name the following  A. Which one is correct ? 1. Albumen protects the: a. yolk b. embryo c. both Ans: both 2. Butterfly lay eggs on a.  water b. leaves c. soil Ans: leaves 3. The pupa stays in the cocoon for  a. Weeks b. months c. both  Ans: weeks ( Pupa stays in the cocoon for 5 days to 21 days ) B. Fill in the blanks : 1. Fish are aquatic animals . 2. The mother frog lays hundreds of eggs in water. 3. There are three important features of reproduction in mammals. C. Write 'T' for true or 'F' for false statements: 1. Animals reproduce to multiply in number. Ans: True 2. Butterflies complete their life cycle in three stages. Ans: False 3. Cockroaches complete their life cycle in four stages. Ans: False D. An swer the following questions:  1. What is reproduction? Ans: Reproduction is a biological p...