it is 50 mcqs and 50 marks subjective, kindly note it down

best of luck

Kindly,solve the 2011 papers correct answer.If any of the Questions is ambiguous then write in-front of it.As Everyone is saying that papers was easy if that was so then please solve it.Sadia you claim that you would get 85+ marks.I would request you to solve the MCQS.

1. The planet of the solar system which has maximum numbers of Moon is:

a) Jupiter
b) Venus
c) Saturn
d) Uranus
e) None of these


Mercury and Venus-0.
Earth-1.
Mars-2.
Jupiter-63.
Saturn-60.
Uranus-27.
Neptune-13.
1.Space Today Online - Moons of the Solar System


2.How Many Moons are in the Solar System


3.Which Planet Has Maximum Number Of Moons In Solar System | Information of the world


2. Sun is a:

a) Planet
b) Comet
c) Satellite
d) Aurora
e) None of these
sun is a star coz planet reflects light and they have no IONS and gases inside them and it is infact not a satellite coz staellite revolve around planets or star.sun is not revolving around someting and aurora is natural display of light in sky around latitude


3. the age of the solar system is

a) 4.5 billion years
b) 5.5 billion years
c) 6.5 billion years
d) 7.5 billion years
e) None of these
WMAP- Age of the Universe


4. A unit of length equal to the average distance between the earth and sun is called

a) Light year
b) Astronomical unit
c) Parsec
d) Parallax
e) None of these
Astronomical unit - Wikipedia, the free encyclopedia


5. An eclipse of the sun occurs when

a) The moon is between the sun and the earth
b) The sun is between the earth and the moon
c) The earth is between the sun and the moon
d) The earth casts its shadow on the moon
e) None of these
Solar eclipse - Wikipedia, the free encyclopedia




6. The ozone layer protects the earth from rays sent by the sun:

a) Ultraviolet rays
b) Infrared rays
c) Gamma rays
d) radioactive rays
e) None of these
These cause skin cancer and eye disease


7. The ozone layer is present about 30miles (50km) in atmosphere above earth. The stratum (layer) of atmosphere in which ozone layer lies is called as:

a) Exosphere
b) Mesosphere
c) Stratosphere
d) ionosphere
e) Troposphere




The Earth's Atmosphere


8. Which rocks are formed by the alteration of pre-existing rocks by great heat or pressure

a) Igneous rocks
b) Sedimentary rocks
c) Metamorphic rocks
d) Acid rocks
e) Basic rocks
Igneous rocks are formed by lave or magma and these igneous formed sedimentary and in extreme pressure and temp these turned into metamorphic(is pe me ne tick gakat ker diya tha but afsos aaata tha aur paper me ehsas hva jald jald tick nae karna chahey)
9. The most abundant natural Iron oxides are

a) Magnetite and Pyrite
b) Magnetite and Bauxite
c) Hematite and Pyrite
d) Hematite and Magnetite
e) Hematite and Bauxite
i do not know but i tick on "c" mera khyala he ya "a"


10.The most abundant elements in sea water are

a) Sodium and Potassium
b) Sodium and Calcium
c) Sodium and Chlorine---it is called salt .and sea me salt bht zaida paya jta he
d) Chlorine and Iodine
e) Magnesium and Sulphur

11. An electric current can produce

a) Chemical effect
b) Magnetic effect
c) Heating effect
d) All of these three
e) None of these

-these all are forms - converted in to one form or of enegy or other .energy can be converted in to other forms of energy


12. The unit of home electricity energy consumption is:

a) Watt hour
b) Kilowatt hour
c) Joule hour
d) Kilojoule hour
e) None of these

13. The magnet always points in the same direction, if move freely i.e. towards north and south poles, because of:

a) Gravitational field
b) A lot of metals deposits on north and south poles
c) Due to attraction of north pole and repulsion of Western pole
d) Earth is a huge magnet
e) None of these

earth be north-south wise direction me rehty he and it is a magnet .so all magnet llies in its direction


14. When sound is reflected from floor, ceiling or a wall , it mixes with the original sound and change its complexion, it is called as

a) Sound
b) Echo
c) Reverberation
d) noise
e) None of these

15. the speed of sound in dry air at 20 C is about

a) 130 meters per second
b) 230 meters per second
c) 330 meters per second( i think so)
d) 430 meters per second
e) None of these



17. The time light takes from Sun to reach Earth is:

a) 8 minutes
b) 25 minutes
c) 45 minutes
d) 60 minutes
e) None of these

18. Light from Sun travels a distance before it reaches Earth:

a) 50 Million Km
b) 100 Million Km
c) 150 Million Km
d) 200 Million Km
e) None of these

19. the most suitable thermometer for measuring the boiling point of water is:

a) Mercury thermometer
b) Alcohol thermometer
c) Bimetallic thermometer
d) Liquid crystal thermometer
e) None of these
as it does not adhere to the wall of container
20. The density of water is greatest at:

a) 32°C
b) 0°C
c) 4°C
d) 100°C
e) None of these

21.Which one of the following statements is true:

a) Gases do not conduct heat
b) The best conductors are non-metals
c) Conduction currents occur only in liquids
d) A vacuum can not conduct heat
e) None of the statements is true

22. Ice can be changed to water by:

a) Adding more water molecules
b) Changing the motion of the water molecules
c) Rearranging the atoms in water molecules
d) Destroying the atoms in water molecules
e) None of these

23. The building blocks of elements are called:

a) Atoms
b) Molecules
c) Compounds
d) Isotopes
e) None of these

24. Boiling of an egg is a change which is:

a) Physical
b) Chemical
c) Physiological
d) Morphological
e) None of these

25. The temperature of liquid nitrogen is:

a) -32°C
b) -80°C
c) -100°C
d) -196°C--think so
e) None of these

26. Which one of the following is an alkali?

a) water
b) vinegar
c) lemon juice
d) slaked lime
e) None of these

27. If an alkali is slowly added to an acidic solution, the pH of the acidic solution will:

a) Increase
b) Decrease
c) Increase to 7 and then decrease
d) Decrease to 7 and then increase
e) Will remain same

28. The usual raw material for ceramics, generally found beneath the top soil is?

a) Sand
b) Slit
c) Clay
d) Plaster of Paris
e) Melamine


i will solved rest of it later

__________________
"Wa tu izzu man-ta shaa, wa tu zillu man-ta shaa"

SADIA Although some of your solved MCQS are ambiguous but tHANKS alot for your quick reply.Well I would request other members of the forum to please make correction on the answers provided by SADIA

point out them coz i am dead sure and will provide u explanation of each of them

__________________
"Wa tu izzu man-ta shaa, wa tu zillu man-ta shaa"

29. Polyamides are synthetic polymers commonly known as:

a) Synthetic rubber
b) Nylon
c) Cellulose
d) Protein
e) None of these.

30. Telephone was invented in 1876 in America by:

a) Marconi
b) Galileo
c) John Beard-- this is my wrong ans an correct is last
d) Edison
e) Graham Bell.

31. Information can be sent over long distances in the form of:

a) Electrical signals through wires
b) Light signals through optical fibres-- i tick this.but it is all of these
c) Radio waves through air
d) Any combination of these three.
e) None of these

32. Information can be stored in:

a) Audio and video cassettes
b) Floppy and compact discs
c) Hard disks
d) Laser and optical disks
e) All of these four

33.Computers can:

a) Add and subtract information only.
b) Add subtract and sort information only.
c) Add subtract sort and classify information.
d) Add and subtract but cannot sort information.
e) Add subtract and sort but cannot classify information.

34.IBM stands for:

a) International Business Machines
b) International Big Machines
c) Interrelated Business Machines
d) Interrelated Big Machines
e) None of these.

35. Chemicals used to kill weeds are called as:

a) Insecticides
b) Fungicides
c) Herbicides
d) Fumigants
e) None of these.

36. The cytoplasm consists of several types of structures, which are called:

a) Protoplasm
b) Nucleus
c) Cytochromes
d) Organelles
e) None of these.

37. The structure of DNA was elaborated by Watson and Crick in:

a) 1909
b) 1923
c) 1945
d) 1953
e) None of these.

38. In a DNA molecules, the rulefor base pairing is:

a) Adenine always bound with thymine and cytosine with guanine
b) Adenine always bound with cytosine and thymine with guanine
c) Adenine always bound with guanine and cytosine with thymine
d) Adenine always bound with uracil and cytosine with guanine
e) None of these.

39. Man belongs to the family:

a) Felidae
b) Hominidae
c) Mammalia
d) Primataceae
e) None of these.

40. Deficiency of vitamin C in human body causes a deficiency disease called:

a) Beriberi
b) Night blindness
c) Rickets
d) Scurvy
e) None of these.

41. To measure the specific gravity of milk, the instrument used is:

a) Hygrometer
b) Barometer
c) Lactometer
d) Hydrometer
e) None of these.

42. one of the fundamental characteristics of living organisms is:

a) Photosynthesis
b) Digestion
c) Excretion
d) Metabolism
e) None of these.

43. Plants growing on other plants are called as:

a) Saprophytes
b) Parasites
c) Epiphytes
d) Pathogens
e) None of these.

44. As per eating habit, squirrels are:

a) Frugivorous
b) Herbivorous
c) Carnivorous
d) Omnivorous
e) Insectivorous.

45. Water loss from leaves through stomata is called as:

a) Evaporation
b) Transpiration
c) Evapo-Transpiration
d) Respiration
e) None of these.

46. the study of how plants and animals interact with one another and with the non-living environment is called as:

a) Ecosystem
b) Sociology
c) Ecology
d) Habitat
e) None of these.

47. The number of bines in human body is:

a) 200
b) 202
c) 204
d) 206
e) None of these.

48. Nervous system in human consists of:

a) Brain and spinal cord.
b) Brain and nerves.
c) Spinal cord and nerves.
d) Brain, spinal cord and nerves.
e) None of these.

49. In human eye, the light sensitive layer made of specializes nerve cells, rods and cones is called as:

a) The pupil
b) The cornea
c) The sclera
d) The iris
e) The retina.

50. Erythrocytes are also called as:

a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma
e) None of these

__________________
"Wa tu izzu man-ta shaa, wa tu zillu man-ta shaa"

IBM stands for International Business machines

MCQs
1)The planet of the solar system which has maximum number of moons
Ans. Jupiter
2) Sun is a
Ans. Star
3)Age of solar system
Ans. 4.5 billion years
4)Unit of length equal to average distance between the Earth and Sun is
Ans.Astronomical unit
5) An eclipse of the sun occurs when
Ans.The moon is between the sun and the earth
6)The ozone layer protects earth from
Ans. Ultraviolet rays
7)The layer of atmosphere in which ozone lies is called
Ans. Stratosphere
8)Rocks formed by the alteration f pre-existing rocks by heat and pressure
Ans. Metamorphic rocks
9)most abundant natural iron oxides
Ans. Hematite and megnetite
10) The two most abundant elements in sea water
Ans. Sodium and chlorine
11)An electric current can produce
Ans. All of the above(heating, chemical, magnetic effect)
12)The unit of home electricity consumption is
Ans.Kilowatt hour
13) The magnet always points in the same direction, if allowed to move freely because
Ans. Earth is a huge magnet
14) Sound is reflected from floor, ceiling or wall, it mixes with the original sound and changes complexion, it is called
Ans. Reverberation
15) The speed of sound in dry air is about
Ans. 330 meters per second
16) Speed of light in vacuum is
Ans. 300 million meters per second
17) The time the sun light takes to reach earth is
Ans. 8 minutes
18) Light from the sun travels a distance before it reaches earth
Ans. 150 million kilometres
19) Most suitable thermometer for measuring boiling point of water
Ans. Bimetallic thermometer
20) The density of water is greatest at
Ans. 4 degrees celsius
21) Which of the following statements is true
Ans. Conduction currents occur only in liquids
22) Ice can be changed to water by
Ans. Changing the motion of water molecules
23) The building blocks of elements are called
Ans. Atoms
24) Boiling of an egg is a
Ans. Physical change
25) The temperature of liquid nitrogen is
Ans. -196 degrees celsius
26) Which one of the following is an alkali
Ans. Slaked lime
27) If an alkali is slowly added to acidic solution, the pH of the acidic solution will
Ans. Increase
28) The usual raw material for ceramics found beneath the top soil is
Ans. plaster of Paris(not sure)
29) Polyamides are synthetic polymers commonly known as
Ans. Nylon
30) Telephone was invented in 1876 in america by
Ans. Galileo
31) Information can be sent over long distance in the form of
Ans. Any combination of the above three
32) Information can be stored in
Ans. All of these four
33) Computers can
Ans. Add, subtract, sort and classify information
34) IBM stands for
Ans. International Business Machine
35) Chemicals used to kill weeds are called
Ans. Herbicides
36) The cytoplasm consist of several types of structures called
Ans. Organelles
37) Structure of DNA was elaborated by watson and crick in
Ans. 1953
38) In DNA molecule, the rule of base pairing
Ans.Adenine bounds with thymine and cytosine with guanine
39) Man belongs to the family
Ans. Hominidae
40) Deficiency of vitamin C causes
ans. Scurvy
41) Specific gravity of milk is measured by
Ans.Lactometer
42) One of the fundamental characteristic of living organisms is
Ans.Metabolism
43) Plants growing on other plants are
Ans. Saprophytes
44) As per eating habit, squirrels are
Ans Herbivorous
45) Water loss from leaves through stomata
is called
Ans. Transpiration
46) Study of plants and animals interact with one another is
Ans. Ecology
47) Number of bones in human body
Ans. 206
48) Nervous system consist of
Ans.Brain, spinal cord and nerves
49) In human eye light sensitive area is
Ans. Retina
50)Erythrocytes are also called
Ans. Red blood cells.

Polyamides are synthetic polymers commonly known as:







34.IBM stands for:

a) International Business Machines
b) International Big Machines
c) Interrelated Business Machines
d) Interrelated Big Machines
e) None of these.

__________________
*The harder the conflict, the more glorious the triumph*
Then, 'Wa Toezzo Man Tasha Wa Tuzillo Man Tasha'...

no I think he is right:

Epiphyte - Wikipedia, the free encyclopedia

Epiphyte should be the correct answer