| 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
eat are
| Roots
|
| 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
the body by
| Arteries
|
| 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
objects,is
| Light Year
|
| 36.
| Musical instrument in which sound is produced by the vibration
of air is
| Flute
|
| 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
back of our palm are
| Arteries & veins
|
| 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
|
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