Life Science

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