LIFE SCIENCE
Name the parts which on removal or destruction may cause the death of plant--------Roots
The cover of air around the earth is called----------Atmosphere Air occupies---------Space & mass Plants and animals maintain the balance of what in air------Gases The supporter of combustion in air is-------Oxygen What forms the earth's atmosphere---------Air The major components of air are---------Nitrogen & Oxygen Water is one of the basic constituents of all-----Living The scientific name of Lotus is-----Nelumbo No two human beings are completely------Alike The process of preparation of food by plants is called-----Photosynthesis All living objects consist of----Cells The vegetables such as carrot,beet root and radish that you eat are------Roots Leaves are green because they have-----Chlorophyll Plants manufacture food by the process of------Photosynthesis From the heart,the blood is transported to all the organs of the body by-----Arteries Which teeth are replaced by the permanent teeth-----Milk teeth The reproductive cell of male is called the--------Sperm The plants use which part of air for their food----Carbon dioxide Water is one of the basic constituents of all-------Plant Water freezes into ice at-----0 degree C. Water boils at------80 degree C.The torch cell is a source of which energy------Electrical Which source of energy wind is?-------Renewable Which energy is released by a transistor----------Sound Energy is always required for doing------------Work Electrical energy is converted mainly into light energy in--------Filament |
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The energy hidden in atoms is called-----------Atomic Balance in nature is the balance between the population of---------Species A famous mathematician of ancient India is--------------Aryabhatta A substance which can exist as solid,liquid and gas-------Water The power of an electric bulb is marked in-------------Watts Water stored in a high-level dam has-----------Potential energy The dry cell produces electric energy from-----------Chemical energy The unit used for measuring distances between heavenly objects,is------Light Year Musical instrument in which sound is produced by the vibration of air is-----------Flute Carbohydrates are present in------------Cane Sugar The gas used for disinfecting water is-------Chlorine Sand is a compound of---------Silicon A mixture of salt and camphor can be separated by---------Sublimation A magnet can be used to seperate a mixture of---------Iron scrap and sulphur The chemical which is not used for purifying water is------Washing soda A bird which is active during night is-------Owl Hydrilla is a plant that grows in-----------Water A plant which stores food in the root is----------Ginger In most flowers the most colorful part is the-------Petal The temperature of the surroundings is detected by-------The Skin The number of kinds of living organisms on this earth is about-------Two & half million A species of animals means---------A group of similar animals There are some plants which do not have--------Leaves An animal without a special organ for hearing is---------Snake The sense organ in man which are sensitive to chemicals are--------Skin & nose The tallest tree in the world is----------The redwood tree Normally, a housefly lives for about------One year In the human body urine is formed in-------The kidneys The pancreas in our body is a part of------The digestive system The blood vessels that we can see just below the skin on the back of our palm are--------Arteries & veins |
The presence of starch in the leaf is shown by-------Iodine
All the cells are similar in structure and function in-------A tissue The source of energy for all living things is--------The sun An animal which cannot take solid food is------------Butterfly Anaemia is usually caused by--------Glucose The simplest form of carbohydrate is-----Aminoacid The smallest unit of a protein is----------80-90 The percentage of weight of water in our body is about-----------95% Scurvy is caused by lack of------------------------Vitamins Vegetables are included in our diet because mostly they supply-----Vitamins The most widely seen minerals in the bones are----------Calcium and Phosphorus Disgested food is mostly absorbed through the-----------Small intestine The diet of a 2-year old baby should contain more-------Protein Tobacco plant makes nicotine in----------The leaves |
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