Sainik School Class 9 General Science MCQ | Set 2
AISSEE Sainik School Class 9 Admission test General Science MCQ Question and Answer Set 2 avilalbe here. Students who have solved Set 1 General Science MCQ should follow this page. In this page we have included MCQs on: Combustion and Flame, Metals and Non Metals, Agricultural Practices, Fossil Fuel: Coal and Petroleum, Stars and Solar System and Endocrine Glands and Hormones.
Combustion and Flame
(1) The substances which burn in air are called ____?
(a) Combustible
(b) Non-combustible
Ans:- (a) Combustible
(2) A chemical process in which a substance reacts with oxygen to give off heat is called ____?
(a) Rapid combustion
(b) Combustion
(c) Spontaneous combustion
Ans:- (b) Combustion
(3) The type of combustion in which a gas burns rapidly and produce heat and light is known as ____?
(a) Rapid combustion
(b) Spontaneous combustion
Ans:- (a) Rapid combustion
(4) The type of combustion in which a material suddenly bursts into flames, without the application of any apparent cause is called _____?
(a) Rapid combustion
(b) Spontaneous combustion
Ans:- (b) Spontaneous combustion
(5) _____ is the lowest temperature at which a combustible substance catches fire?
(a) Ignition temperature
(b) Room temperature
Ans:- (a) Ignition temperature
(6) The substances which have very low ignition temperature and can easily catch fire with a flame are called _____ substances?
(a) Combustible
(b) Inflammable
Ans:- (b) Inflammable
(7) ____ is a inflammable substance?
(a) Petrol
(b) Coal
Ans:- (a) Petrol
(8) _____ is a fire extinguisher?
(a) H2O
(b) CO2
Ans:- (b) CO2
(9) ____ is vaporized during burning and form flames?
(a) Kerosene
(b) Charcoal
Ans:- (a) Kerosene
(10) ____ is used as a liquid fuel?
(a) Natural gas
(b) Petrol
(c) Coal
Ans:- (b) Petrol
(11) _____ is a solid fuel?
(a) Natural gas
(b) Petrol
(c) Coal
Ans:- (c) Coal
(12) Natural gases are _____ fuel?
(a) Solid
(b) Gaseous
(c) Liquid
Ans:- (b) Gaseous
(13) Calorific value of hydrogen = _____ kJ/kg?
(a) 45000
(b) 55000
(c) 150000
Ans:- (c) 150000
(14) Calorific value of LPG = ______ kJ/kg?
(a) 45000
(b) 55000
(c) 150000
Ans:- b) 55000
(15) Cutting of trees leads to _____?
(a) Global warming
(b) Acid rain
(c) Deforestation
Ans:- (c) Deforestation
(16) Increased concentration of CO2 in the air causes _____?
(a) Global warming
(b) Acid rain
(c) Deforestation
Ans:- (a) Global warming
(17) Oxides of sulphur and nitrogen dissolve in rain water and form acids which causes ____?
(a) Global warming
(b) Acid rain
(c) Deforestation
Ans:- (b) Acid rain
(18) Unburnt carbon particles in the air are dangerous pollutants causing _____?
(a) Global warming
(b) Acid rain
(c) Respiratory diseases
Ans:- (c) Respiratory diseases
(19) Incomplete combustion of a fuel gives poisonous ______ gas?
(a) Carbon monoxide
(b) Nitrogen dioxide
Ans:- (a) Carbon monoxide
(20) Fire produced by oil can be controlled by _____?
(a) H2O
(b) CO2
Ans:- (b) CO2
(21) _____ is a domestic fuel?
(a) LPG
(b) Petrol
(c) Diesel
Ans:- (a) LPG
(22) Burning of coal and diesel releases _____ gas?
(a) Nitrogen dioxide
(b) Carbon dioxide
(c) Sulphur dioxide
Ans:- (c) Sulphur dioxide
(23) Petrol engines give off gaseous oxides of _____?
(a) Nitrogen
(b) Sulphur
(c) Carbon
Ans:- (a) Nitrogen
(24) _____ burns in air at room temperature?
(a) Phosphorus
(b) Stone
(c) Glass
Ans:- (a) Phosphorus
(25) The burning of fuel produces ____?
(a) Dust
(b) Smoke
Ans:- (b) Smoke
(26) ____component of air supports burning?
(a) Oxygen
(c) Nitrogen
Ans:- (a) Oxygen
Metals and Non Metals
(1) Metals can be beaten into thin sheets by hammering. This property is known as ____?
(a) Malleability
(b) Ductility
Ans:- (a) Malleability
(2) Metals can be drawn into thin fine wires. This property is known as ____?
(a) Malleability
(b) Ductility
Ans:- (b) Ductility
(3) ____ is the most malleable metal?
(a) Platinum
(b) Gold
(c) Silver
Ans:- (b) Gold
(4) ____ is the most ductile metal?
(a) Platinum
(b) Gold
(c) Silver
Ans:- (a) Platinum
(5) The filaments of electric bulbs are made of fine wires of ____?
(a) Tungsten
(b) Copper
Ans:- (a) Tungsten
(6) Copper is used as thin fine wires due to its high ____?
(a) Malleability
(b) Ductility
Ans:- (b) Ductility
(7) ____ is a soft metal?
(a) Lithium
(b) Tungsten
(c) Platinum
Ans:- (a) Lithium
(8) ____ is a hard metal?
(a) Lithium
(b) Tungsten
(c) Silver
Ans:- (b) Tungsten
(9) ____ is the best thermal conductor among metals?
(a) Gold
(b) Silver
(c) Tin
Ans:- (b) Silver
(10) ____ is the best electrical conductor among metals?
(a) Gold
(b) Silver
(c) Tin
Ans:- (b) Silver
(11) The electrical wires in our houses are made of ____?
(a) Copper
(b) Aluminium
(c) Lithium
Ans:- (a) Copper
(12) The electric wires that we see on electric posts outside our houses are made of ____?
(a) Copper
(b) Aluminium
(c) Lithium
Ans:- (b) Aluminium
(13) The ability of metals to produce sound when tapped with a hard material is known as ____?
(a) Sonority
(b) Ductility
Ans:- (a) Sonority
(14) ____ melts at low temperature?
(a) Mercury
(b) Iron
(c) Gold
Ans:- (a) Mercury
(15) ____ is a low density metal?
(a) Osmium
(b) Potassium
(c) Silver
Ans:- (b) Potassium
(16) ____ is usually used for making ornaments?
(a) Platinum
(b) Aluminium
(c) Lithium
Ans:- (a) Platinum
(17) Verdigris is formed on ____ vessels?
(a) Copper
(b) Aluminium
(c) Silver
Ans:- (a) Copper
(18) The alloy of copper and zinc is ____?
(a) Bronze
(b) Brass
(c) Alnico
Ans:- (b) Brass
(19) The alloy of copper and tin is ____?
(a) Bronze
(b) Brass
(c) Alnico
Ans:- (a) Bronze
(20) The alloy of nickel, chromium and iron is ____?
(a) Nichrome
(b) Alnico
(c) Brass
Ans:- (a) Nichrome
(21) The alloy of iron, aluminium, nickel and cobalt is ____?
(a) Nichrome
(b) Alnico
(c) Bronze
Ans:- (b) Alnico
(22) ____ is the most abundant metal on the earth’s crust?
(a) Gold
(b) Aluminium
(c) Silver
Ans:- (b) Aluminium
(23) Haemoglobin, the compound which gives red color to blood, contains _____?
(a) Iron
(b) Calcium
(c) Copper
Ans:- (a) Iron
(24) ____ is essential for the growth of teeth and bones?
(a) Iron
(b) Calcium
(c) Potassium
Ans:- (b) Calcium
(25) Salt of ____ and ____ are essential for the proper functioning of cells?
(a) Sodium and potassium
(b) Copper and zinc
Ans:- (a) Sodium and potassium
(26) ____ reacts with cold water?
(a) Platinum
(b) Potassium
Ans:- (b) Potassium
(27) ____ reacts with atmospheric air?
(a) Copper
(b) Gold
(c) Silver
Ans:- (a) Copper
(28) Buttermilk is not stored in ____ vessels?
(a) Copper
(b) Aluminium
(c) Iron
Ans:- (b) Aluminium
(29) ____ is a high density metals?
(a) Chromium
(b) Titanium
(c) Aluminium
Ans:- a) Chromium
(30) ____ are used in fertilizers to enhance the growth of plants?
(a) Non-metals
(b) Metals
Ans:- (a) Non-metals
(31) Phosphorous is very ____ non-metal?
(a) Active
(b) Reactive
Ans:- (b) Reactive
Agricultural Practices
(1) Rearing ____ for the production of natural silk is called sericulture?
(a) Earthworms
(b) Silkworms
Ans:- (b) Silkworms
(2) The scientific way of rearing fish in natural water bodies, paddy fields or artificial tanks, is called____?
(a) Sericulture
(b) Pisculture
Ans:- (b) Pisculture
(3)____ is reared for food?
(a) Catla
(b) Gold fish
Ans:- (a) Catla
(4) ____ is reared for ornamental purposes?
(a) Catla
(b) Gold fish
Ans:- (b) Gold fish
(5) Scientific way of cultivation of flowering plants on a commercial basis is called ____?
(a) Apiculture
(b) Floriculture
(c) Cuniculture
(d) Horticulture
Ans:- (b) Floriculture
(6) Scientific way of rearing of honey bees is called ____?
(a) Apiculture
(b) Floriculture
(c) Cuniculture
(d) Horticulture
Ans:- (a) Apiculture
(7) Scientific way of rearing of rabbits is called ____?
(a) Apiculture
(b) Floriculture
(c) Cuniculture
(d) Horticulture
Ans:- (c) Cuniculture
(8) Scientific way of cultivation of fruits and vegetables is called ____?
(a) Apiculture
(b) Floriculture
(c) Cuniculture
(d) Horticulture
Ans:- (d) Horticulture
(9) ____rabbit is reared for meat?
(a) Grey giant
(b) Ankora
Ans:- (a) Grey giant
(10) ____rabbit is reared for fur?
(a) Grey giant
(b) Ankora
Ans:- (b) Ankora
(11) In ____, plants are grown in nutrient solution?
(a) Hydroponics
(b) Aeroponics
Ans:- (a) Hydroponics
(12) In ____, plants are grown in such a way that their roots grow into air and nutrients are sprayed directly, on root?
(a) Hydroponics
(b) Aeroponics
Ans:- (b) Aeroponics
(13) In ____ method of farming, the nature of soil, quantity of elements in the soil, pH value of soil, presence of water etc., in the crop field are tested using modern technology and appropriate crops are selected for cultivation?
(a) Poly house farming
(b) Precision farming
Ans:- (b) Precision farming
(14) ____ is a medicinal plant?
(a) Neem tree
(b) Mango tree
Ans:- (a) Neem tree
(15) ____bacteria is used to increase nitrogen content in the soil?
(a) Rhizobium
(b) Azolla
Ans:- (a) Rhizpbium
(16) ____aquatic plant is used to increase nitrogen content in the soil?
(a) Rhizobium
(b) Azolla
Ans:- (b) Azolla
(17) Rearing of cattle for milk, meat and agricultural purposes is called ____?
(a) Poultry farming
(b) Livestock management
Ans:- (b) Livestock management
(18) Rearing of birds for egg and meat is called ____?
(a) Poultry farming
(b) Livestock management
Ans:- (a) Poultry farming
(19) ____ is a special kind of arrangement in which a crop field is completely or partially covered by transparent polythene sheets?
(a) Poly house
(b) Green house
Ans:- (a) Poly house
(20) ____ is a chicken variety, reared for egg and meat?
(a) White leghorn
(b) Muscovy
(c) Bob white
Ans:- (a) White leghorn
(21) ____ is a duck variety, reared for egg and meat?
(a) White leghorn
(b) Muscovy
(c) Bob white
Ans:- (b) Muscovy
(23) ____ is a cow variety, reared for milk, meat and agricultural purpose?
(a) Jersey
(b) Murrah
(c) Boer
Ans:- (c) Bob white
(24) ____ is a buffalo variety, reared for milk, meat and agricultural purpose?
(a) Jersey
(b) Murrah
(c) Boer
Ans:- (b) Murrah
(25) ____ is a goat variety, reared for milk, meat and agricultural purpose?
(a) Jersey
(b) Murrah
(c) Boer
Ans:- (c) Boer
Fossil Fuel: Coal and Petroleum
(1) _____ is a solid fuel?
(a) Natural gas
(b) Petrol
(c) Coal
Ans:- (c) Coal
(2) _____fossil fuel is used in thermal power plants to produce electricity?
(a) Petroleum
(b) Coal
(c) Natural gas
Ans:- b) Coal
(3) ____ is used in the manufacture of plastics?
(a) Coal gas
(b) Coal Tar
Ans:- (b) Coal Tar
(4) ____ is used as a source of heat?
(a) Coal gas
(b) Coal Tar
Ans:- (a) Coal gas
(5) Petrol and diesel are obtained from a natural resource called ____?
(a) Petroleum
(b) Natural gas
(c) Coal
Ans:- (a) Petroleum
(6) ____ is used as a fuel in light automobiles?
(a) Diesel
(b) Petrol
Ans:- (b) Petrol
(7) ____ is used as a fuel in heavy motor vehicles?
(a) Diesel
(b) Petrol
Ans:- (a) Diesel
(8) The refining process of petroleum is carried out in a _____?
(a) Coal mine
(b) Petroleum refinery
Ans:- (b) Petroleum refinery
(9) ____ is called black gold?
(a) Petroleum
(b) Coal
Ans:- (a) Petroleum
(10) Naphthalene balls are obtained from _____?
(a) Coal gas
(b) Coke
(c) Coal Tar
Ans:- (c) Coal Tar
(11) Burning of ____ fuel is a major cause of air pollution?
(a) Petroleum
(b) Natural gas
Ans:- (a) Petroleum
(12) ____ is used as a liquid fuel?
(a) Natural gas
(b) Petrol
(c) Coal
Ans:- (b) Petrol
(13) ____ is an inflammable substance?
(a) Petrol
(b) Coal
Ans:- (a) Petrol
Stars and Solar System
(1) The time period from one full moon to next full moon is slightly longer than ____ days?
(a) 28
(b) 24
(c) 29
Ans:- (c) 29
(2) Moon is visible due to ____?
(a) Own light
(b) Reflected sunlight
Ans:- (b) Reflected sunlight
(3) The Sun is nearly ____ million km away from the Earth?
(a) 150
(b) 120
Ans:- (a) 150
(4) The constellation that we can see during summer time in the early part of the night is _____?
(a) Orion
(b) Leo Major
(c) Great Bear
Ans:- (c) Great Bear
(5) The constellation that we can see during winter time in the late evening is _____?
(a) Orion
(b) Leo Major
(c) Great Bear
Ans:- (a) Orion
(6) The star ____ is the brightest star in the sky?
(a) Sun
(b) Sirius
Ans:- (b) Sirius
(7) The Sirius is located close to _____ constellation?
(a) Leo Major
(b) Orion
(c) Cassiopia
Ans:- (b) Orion
(8) The constellation that we can see during winter time in the early part of the night in the northen sky is _____?
(a) Leo Major
(b) Orion
(c) Cassiopia
Ans:- (c) Cassiopia
(9) _____ is the nearest star from us?
(a) The Sun
(b) The Sirius
Ans:- (a) The Sun
(10) ____ is the main source of heat and light for all the planet?
(a) The Sirius
(b) The Sun
Ans:- (b) The Sun
(11) Any celestial body revolving around another celestial body is called its _____?
(a) Planet
(b) Satellite
Ans:- (b) Satellite
(12) The time period taken by a planet to complete one revolution around the Sun is called _____?
(a) Period of rotation
(b) Period of revolution
Ans:- (b) Period of revolution
(13) The time period taken by a planet to complete one rotation on its own axis is called _____?
(a) Period of rotation
(b) Period of revolution
Ans:- (a) Period of rotation
(14) ____ is the natural satellite of the Earth?
(a) Aryabhata
(b) Moon
Ans:- (b) Moon
(15) The planet _____ is nearest to the Sun?
(a) Earth
(b) Venus
(c) Mercury
Ans:- (c) Mercury
(16) The planet ____ is the smallest planet of our solar system?
(a) Earth
(b) Venus
(c) Mercury
Ans:- (c) Mercury
(17) The planet ____ is the brightest planet in the night sky?
(a) Earth
(b) Venus
(c) Mercury
Ans:- (b) Venus
(18) The planet ____ is Earth’s nearest planetary neighbour?
(a) Mars
(b) Venus
(c) Mercury
Ans:- (b) Venus
(19) Venus appears in the ____ sky before sunrise?
(a) Western
(b) Eastern
Ans:- (b) Eastern
(20) Venus appears in the ____ sky just after sunset?
(a) Western
(b) Eastern
Ans:- (a) Western
(21) The planet ____ is called the red planet?
(a) Mars
(b) Venus
(c) Mercury
Ans:- (a) Mars
(22) The planet ____ is the largest planet of our solar system?
(a) Earth
(b) Jupiter
(c) Mercury
Ans:- (b) Jupiter
(23) The planet ____ has a rings?
(a) Saturn
(b) Jupiter
(c) Mercury
Ans:- (a) Saturn
(24) ____comet appears after nearly every 76 years?
(a) Encke
(b) Halley
Ans:- (b) Halley
(25) Asteroids are found between the orbits of ____ and ____?
(a) Earth, Venus
(b) Mars, Jupiter
Ans:- (b) Mars, Jupiter
(26) _____ satellite was the first Indian artificial satellite?
(a) IRS
(b) INSAT
(c) Aryabhata
Ans:- (c) Aryabhata
(27) _____satellites are used for forecasting weather?
(a) Natural
(b) Artificial
Ans:- (b) Artificial
(28) Stars appear to move from ____ to ____?
(a) East to west
(b) West to east
Ans:- (a) East to west
(29) It is convenient to express distances of stars in _____?
(a) Million years
(b) Light years
Ans:- (b) Light years
(30) American astronaut, _____, landed on the moon for the first time?
(a) Neil Armstrong
(b) Edwin Aldrin
Ans:- (a) Neil Armstrong
Endocrine Glands and Hormones
(1) Hormone is a chemical substance secreted by an____ gland?
(a) Exocrine glands
(b) Endocrine glands
Ans:- (b) Endocrine glands
(2) ____ glands are a ductless glands?
(a) Exocrine glands
(b) Endocrine glands
Ans:- (b) Endocrine glands
(3) Salivary glands are ____ glands?
(a) Exocrine glands
(b) Endocrine glands
Ans:- (a) Exocrine glands
(4) ____ glands are endocrine glands?
(a) Salivary glands
(b) Pituitary glands
Ans:- (b) Pituitary glands
(5) Thyroid gland secretes ____ hormone?
(a) Glucagon
(b) Thyroxine
(c) Prolactin
(d) Insulin
Ans:- (b) Thyroxine
(6) Insufficient secretion of ____ hormone causes cretinism disease?
(a) Thyroxine
(b) Insulin
(c) Glucagon
(d) Prolactin
Ans:- (a) Thyroxine
(7) The central part of adrenal gland is ____?
(a) Medulla
(b) Cortex
Ans:- (a) Medulla
(8) The peripheral part of adrenal gland is ____?
(a) Cortex
(b) Medulla
Ans:- (a) Cortex
(9) Medulla secretes ____ hormone?
(a) Cortisone
(b) Adrenaline
(c) Insulin
(d) Prolactin
Ans:– (b) Adrenaline
(10) Cortex secretes ____ hormone?
(a) Cortisone
(b) Adrenaline
(c) Glucagon
(d) Insulin
Ans:- (a) Cortisone
(11) ____ has a cluster of hormone-secreting cells called Islets of Langerhans?
(a) Adrenal
(b) Pancreas
(c) Pituitary gland
Ans:- (b) Pancreas
(12) Glucagon and Insulin both of the hormones are secreted by _____?
(a) Adrenal
(b) Pancreas
(c) Pituitary gland
Ans:- (b) Pancreas
(13) Insufficient secretion of insulin causes ____ disease?
(a) Diabetes
(b) Myxoedema
Ans:- (a) Diabetes
(14) ____ hormone stimulates the breakdown of glycogen in the liver to glucose?
(a) Glucagon
(b) Insulin
(c) Prolactin
(d) Cortisone
Ans:- (a) Glucagon
(15) ____ gland is located below the brain?
(a) Adrenal gland
(b) Pituitary gland
(c) Salivary gland
Ans:- (b) Pituitary gland
(16) ____ glands are like caps over the kidneys?
(a) Adrenal gland
(b) Pituitary gland
(c) Salivary gland
Ans:- (a) Adrenal gland
(17) ____ gland is called the master gland?
(a) Adrenal gland
(b) Pituitary gland
(c) Pancreas
Ans:- (b) Pituitary gland
(18) Prolactin hormone is secreted by ____?
(a) Pancreas
(b) Pituitary gland
(c) Adrenal gland
(d) Salivary gland
Ans:- (b) Pituitary gland
(19) Insufficient amount of growth hormone causes ____?
(a) Dwarfism
(b) Gigantism
Ans:- (a) Dwarfism
(20) Excess secretion of growth hormone causes ____?
(a) Dwarfism
(b) Gigantism
Ans:- b) Gigantism
(21) ____ hormone stimulates the thyroid gland to produce thyroxine?
(a) Thyroid-stimulating hormone
(b) Follicle-stimulating hormone
Ans:- (a) Thyroid-stimulating hormone
(22) ____ hormone influences the production of sperms in males and the eggs in females?
(a) Thyroid-stimulating hormone
(b) Follicle-stimulating hormone
Ans:- (b) Follicle-stimulating hormone
(23) ____hormone controls the metabolic rate?
(a) Thyroxine
(b) Adrenaline
(c) Prolactin
(d) Insulin
Ans:- (a) Thyroxine
(24) ____hormone prepares the body for any emergency situation?
(a) Thyroxine
(b) Adrenaline
(c) Insulin
(d) Glucagon
Ans:- (b) Adrenaline
(25) The male sex hormones are called ____?
(a) Oestrogens
(b) Androgens
(c) Cortisone
Ans:- (b) Androgens
(26) The female sex hormones are called ____?
(a) Oestrogens
(b) Androgens
(c) Cortisone
Ans:- (a) Oestrogens