Home > Fdaytalk Test > Physics Objective Question Answers MCQ | Test Paper – 9

Physics Objective Question Answers MCQ | Test Paper – 9

physics objective questions and answers for competitive exams pdf

Physics objective questions and answers for competitive exams pdf

 

Multiple Choice Questions

1) From the following options what is the true statement about Air?

a) Air is just a substance

b) Air is a gas

c) Air is a mixture of many gases

d) All of the above

c) Air is a mixture of many gases

 

2) Air contains _____?

a) Carbon dioxide

b) Water vapour

c) Both a and b

d) None of the above

b) Water vapour

 

3) The presence of water vapour in air is important for following process?

a) Generation of Carbon dioxide

b) Water Cycle

c) Both a and b

d) None of the above mentioned

d) None of the above mentioned

 

4) Increase in carbon dioxide levels causes?

a) Death

b) Loss of Oxygen

c) Both a and b

d) Suffocation

d) Suffocation

 

5) Carbon dioxide makes small component of ___ around us?

a) Oxygen

b) Carbon monoxide

c) Air

d) None

c) Air

 

6) Plant and animal matter consumes oxygen on burning and produces ______?

a) Carbon dioxide

b) Carbon Matter

c) Carbon Monoxide

d) Carbon dioxide and other gases also

d) Carbon dioxide and other gases also

 

7) Air contains major quantity of _____?

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) All of the above in equal quantity

c) Nitrogen

 

8) Soil contains ______?

a) Air

b) Carbon

c) Both a and b

d) None

a) Air

 

9) The windmill is used for ____?

a) To draw water from tube wells

b) To run flour mills

c) Both a and b

d) None of the above

c) Both a and b

 

10) Air helps in the movement of ____?

a) Gliders

b) Sailing Yachts

c) Parachutes

d) All of the above

d) All of the above

 

11) Dispersal of seeds and pollen of flowers of various plants are due to presence of ____?

a) Air

b) Oxygen

c) Carbon dioxide

d) Carbon monoxide

a) Air

 

12) Air in excess motion is referred as?

a) Breeze

b) Wind

c) Tsunami

d) None of the above

b) Wind

 

13) The envelope of air that surrounds the earth is known as?

a) Lithosphere

b) Stratosphere

c) Mesosphere

d) Atmosphere

d) Atmosphere

 

14) Atmosphere is essential for _____ on earth?

a) Production of oxygen

b) Reducing the carbon dioxide levels

c) Life

c) None of the above

c) Life

 

15) Aquatic animals uses ____ form of air for respiration?

a) Dissolved air

b) Normal mixture of air

c) Both a and b

d) None

a) Dissolved air

 

16) Plants and animals depends on each other by exchange of oxygen with _____?

a) Carbon monoxide

b) Carbon dioxide

c) Carbon trioxide

d) Carbon tetroxide

b) Carbon dioxide

 

17) Landfill is defined as _____?

a) Low lying open area to dispose waste

b) High hill area to dispose waste

c) Both a and b

d) None of the mentioned

a) Low lying open area to dispose waste

 

18) Burning of leaves produces?

a) Smoke

b) Carbon dioxide

c) Harmful Gases

d) All of the above

d) All of the above

 

19) The rot garbage will provide ______ to plants?

a) Proteins

b) Growth of plant

c) Nutrients

d) None of the above

c) Nutrients

 

20) The rotting and conversion of some materials into manure is known as ?

a) Decomposing

b) Composing

c) Composting

d) Deposition

c) Composting

 

21) The method of preparing compost with the help of red worms is called ?

a) Vermi composting

b) Over composting

c) Both a and b

d) None of the above

a) Vermi composting

 

22) ______ helps red worm to grind food?

a) Teeth

b) Gizzard

c) Both a and b

d) None of the above

b) Gizzard

 

23) Plastics are hard to _____?

a) Cycle

b) Recycle

c) Both a and b

c) None of the above

b) Recycle

 

24) _______ is the mode of taking food by an organism for utilization of body?

a) Digestion

b) Transition

c) Composition

d) Nutrition

d) Nutrition

 

25) The body of living organisms are made up of tiny units called?

a) Nerves

b) Vessels

c) Cells

d) None

c) Cells

 

26) Centrally located spherical structure in a cell membrane is known as ?

a) Nucleus

b) Cytoplasm

c) Stomata

d) None

a) Nucleus

 

27) The nucleus in membrane is surrounded by a jelly like substance called ?

a) Stomata

b) cytoplasm

c) Nucleus

d) None of the mentioned

b) cytoplasm

 

28) The pores present on leaves that take carbon dioxide are called ____?

a) Cytoplasm

b) Nucleus

c) Chlorophyll

d) Stomata

d) Stomata

 

29) The leaves of a plant has green pigment called ?

a) Chlorophyll

b) Stomata

c) Green Nucleus

d) None of the mentioned

a) Chlorophyll

 

30) ______ is the ultimate source for all living organisms?

a) Plants

b) Sun

c) Earth

d) All of the above

b) Sun

 

31) The presence of starch in leaf indicates the occurrence of ______?

a) Synthesis

b) Photosynthesis

c) Plant Growth

d) All of the above

b) Photosynthesis

 

32) The starch is one among the ______?

a) Carbohydrate

b) Protein

c) Nutrient

d) Vitamin

a) Carbohydrate

 

33) Slimy green patches found in ponds or other stagnant water bodies are due to ____?

a) Bacteria

b) Fungus

c) Algae

d) All of the above

c) Algae

 

34) Sometimes plants depend on other plant food this nutrition is called as?

a) Phototropic mode

b) Heterotrophic mode

c) Autotrophic mode

d) None

b) Heterotrophic mode

 

35) Cuscuta plant does not have?

a) Stem

b) Root

c) Both a and b

d) Chlorophyll

d) Chlorophyll

 

36) Cuscuta is also known as ____?

a) Child plant

b) Host

c) Amarbell

d) None of the above

c) Amarbell

 

37) The plant on which cuscuta plant depends and grows on is called ?

a) Host

b) Parent

c) Both a and b

d) None of the above

a) Host

 

38) Cuscata is generally a ___?

a) Parasite

b) Child Plant

c) Host

d) None

a) Parasite

 

39) Cotton like things present on a bread fluffy patches called ?

a) Bacteria

b) Yeast

c) Algae

d) Fungi

d) Fungi

 

40) The mode of nutrition in which organisms take nutrients from dead and decaying matter?

a) Symbiotic nutrition

b) Saprotrophic nutrition

c) Both a and b

d) None of the above

b) Saprotrophic nutrition

 

41) The organisms which depend on dead and decay matter for food are called as ___?

a) Autotrophs

b) Heterotrophs

c) Saprotrophes

d) All of the above

c) Saprotrophes

 

42) Some organisms live together and share shelter and nutrients,this process is known as _____?

a) Symbiotic relationship

b) Shelter Sharing

c) Bio tic process

d) Ecosystem process

a) Symbiotic relationship

 

43) Chlorophyll containing partner is present in ____ of the following?

a) Bacteria

b) Yeast

c) Fungi

d) Lichens

d) Lichens

 

44) The break down of complex components of food into simpler substances is called?

a) Digestion

b) Composition

c) Decomposition

d) None of the above

a) Digestion

 

45) The process of taking food into the body is called ?

a) Eating

b) Ingestion

c) Both a and b

d) None of the above

b) Ingestion

 

46) Teeth formed between the age of 6 to 8 are called as _____?

a) Milk Teeth

b) Permanent Teeth

c) Both a and b

d) None of the above

a) Milk Teeth

 

47) The saliva breaks down the starch into ___?

a) Salts

b) Sugars

c) Both a and b

d) None of the above

b) Sugars

 

48) The acids gradually damage the teeth, this process is referred as ______?

a) Tooth decay

b) Tooth destruction

c) Both a and b

d) None

c) Both a and b

 

49) Oesophagus is generally known as ____?

a) Food vessel

b) Digestive organ

c) Food pipe

d) All of the above

c) Food pipe

 

50) Alimentary canal is referred as _____?

a) Digestive element

b) Organ

c) Composition of several organs

d) Digestive Tract

d) Digestive Tract

 

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