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Tuesday, September 21, 2021

Class 3 | EVS and GA Online Worksheet | Living and Non-living Things - 2

1. Non-living things:

need food
grow
reproduce
none of these
2. An insect eating plant.
Sundew
Pitcher
both of above
none of these
3. Bud grows to ________________
seed
root
flower
tree
4. Fishes breathe through their
lungs
gills
stomata
spiracles
5. Humans breathe through their
lungs
gills
stomata
spiracles
6. Which of the following is natural non-living thing?
Water
Mountain
both of above
none of these
7. Plants have tiny pores to breathe -
roots
stem
stomata
fruit
8. Insects breathe through air holes called -
Spiracles
gills
lungs
stomata
9. Plants reproduce from
roots
stem
stomata
seeds
10. A plant which is sensitive to touch.
sunflower
Touch-me-not
Sundew
Pitcher






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Class 3 | EVS General Awareness | Living and Non-living Things | Worksheet - 1

1. Living things:

eat food
breathe
reproduce
all of these
2. A flower that changes its direction with the Sun:
sunflower
rose
china rose
lily
3. Insects breathe with the help of:
nose
spiracles
gills
lungs
4. An animal that lays eggs:
dog
lion
rat
snake
5. An animal that gives birth to babies:
cat
crow
parrot
crocodile
6. Plants have ___________ for exchange of gases.
roots
stem
stomata
fruit
7. Earthworm uses its __________________ to crawl.
head
hands
body
tail
8. We feel pain when we touch ____________ objects.
sharp
hot
both of above
none of these
9. Green plants make their food with the help of air, ______________ and sunlight.
water
sand
gills
lungs
10. All man made things are ______________ .
living
non-living
natural
plants






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Class 8 | Science MCQ Online Worksheet | Materials: Metals and Non-Metals - 2

1. Iron is galvanised by coating it with?

Chromium
Sodium
Magnesium
Zinc
2. Which one of the following is more reactive with water?
Sodium
Magnesium
Iron
Copper
3. Boron is
metal
non-metal
metalloid
alkali
4. A mineral from which a metal can be extracted on the commercial scale, economically is called
ore
metalloids
corrosion
metal
5. Which of the following is used in making mirrors?
Sodium
Magnesium
Silver
Zinc
6. Which metal conducts electricity the best?
Silver
Copper
Gold
Aluminium
7. _____________foils are used as packing material.
Silver
Copper
Gold
Aluminium
8. A solution of ______________ in alcohol has antiseptic properties.
bromine
Iodine
chlorine
Magnesium
9. Both _____________ and _______________ find extensive use in the native form as well as compounds.
metal, non-metal
metal, metalloid
alkali, metalloid
alkali, non-metal
10. Nitrates of _____________ find use in photography.
Gold
Silver
Copper
Zinc






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Class 8 | Science MCQ Online Worksheet | Materials: Metals and Non-Metals - 1

1. Name the gas evolved when magnesium reacts with dilute hydrochloric acid.

Chlorine
Oxygen
Hydrogen
Nitrogen
2. Materials having qualities of both metals and non-metals are called?
alloys
metalloids
noble metals
None of the above
3. Which metal reacts readily with cold water?
Gold
Silver
Magnesium
Calcium
4. Metals are
soft and brittle
hard and solid
liquid
generally liquid
5. Which of the following metal is not corroded by air, water and acid?
Gold
Zinc
Copper
Aluminium
6. Which one of the following metals is the most reactive and stored in kerosene?
Iron
Gold
Copper
Potassium
7. Which one of the following metals is the most ductile?
Copper
Silver
Aluminium
Gold
8. Which metal is liquid at room temperature?
Iron
Sodium
Mercury
Calcium
9. Which of the following is the most reactive metal?
Calcium
Potassium
Silver
Gold
10. Which of the following is a liquid at room temperature?
Bromine
Iodine
Iron
Phosphorus






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Class 8 | Micro-Organism Friend and Foe | Science NCERT MCQ Worksheet - 2

1. Which bacteria helps in settling of curd?

Rhizobium
Vibriocholarae
Bacillus
Lactobacillus
2. _____________- are the smallest of all microorganisms.
Bactria
Viruses
Protozoa
Algae
3. Fungi consist of two main groups of organisms - __________ and moulds.
Algae
Coccus
Yeast
Virus
4. Moulds are aerobic but some yeasts can survive in both aerobic and ____________ conditions.
absorbic
anaerobic
probiotic
None of the above
5. The presence of ___________ and the warmth stimulate rapid growth of the yeast cells.
salt
sugar
methane
carbon di oxide
6. Protozoa are __________ just as algae are plant like.
plant like
animal like
both the above
None of the above
7. The process by which amount of nitrogen remains the same in the atmosphere is known as
carbon cycle
nitrogen cycle
fermentation
photosynthesis
8. Which of the following is not used as food preservatives?
Methane
Vinegar
Salt
Sugar
9. Which of the following disease is spread due to bacteria?
Measles
Chicken pox
Tuberculosis
Polio
10. Which microorganism causes AIDS?
Algae
Virus
Fungus
Protozoa






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Class 8 | Micro-Organism Friend and Foe | Science NCERT MCQ Worksheet - 1

1. Alcohol is produced with the help of

yeast
oxygen
nitrogen
sodium chloride
2. Which of the following drug is an antipyretic?
alcohol
insulin
streptomycin
paracetamol
3. What helps in the rise of bread or dosa dough?
heat
grinding
growth of yeast cells
low pressure
4. The status of algae in the aquatic food chain is
consumers
producers
host
NA
5. The rod shaped bacteria are called
Vibrio
Coccus
Spirillum
Bacillus
6. Bacteria present in root nodules of pea
Rhizobium
Penicillin
Plasmodium
Coli
7. The disease caused by fungi is
polio
ringworm
measles
chicken pox
8. Which cannot fix atmospheric nitrogen in the soil?
Rhizobium
Clostridium
Penicillin
Azotobacter
9. The disease caused by protozoa is
malaria
typhoid
polio
tuberculosis
10. The microorganism which contains chlorophyll
Algae
Virus
Fungus
All of the above






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Monday, September 20, 2021

Class 8 | Science | Force Pressure MCQ Worksheet Online - 3

1. Gravity is -

Repulsive
Attraction+Repulsive
Attractive Force
Not a Force
2. Which of the following is an example of a non- contact force?
Force exerted in lifting a bucket
Pushing a stationary object
Force exerted by magnet
Hit a cricket ball from bat
3. Pressure =
Force per unit area
Area per unit force
Force per unit volume
Volume per unit force
4. We apply force on ___________ while walking.
air
ground
atmosphere
body
5. Atmospheric pressure is measured by an instrument called?
Thermometer
Speedometer
Vernier Caliper
Barometer
6. Which of the following statement is/are true:
1. Pressure does not depend on area of contact.
2. More the area, less is the pressure
3. More the area, more is the pressure.
Only 1
Only 2
Only 3
All of the above
7. Atmospheric pressure is _____________ at higher altitudes.
more
less
no change
nil
8. What is the unit of force?
newton
pascal
cubic meter
iota
9. What is the unit of pressure?
newton
pascal
cubic meter
iota
10. Pressure is ____________________ proportional to the applied force.
not related
indirectly
directly
None of the above






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