WorksheetsLET'S REVISE !!!
Total questions: 35
Worksheet time: 19mins
When you increase your depth under water, the water pressure on your body
increases
decreases
stays the same
Acrylic fiber is
Pickles are stored in plastic bottles mainly because they are:
non-biodegradable
good insulators
durable
non-reactive
Name the plastic used for making water pipes
Polythene
PVC
Acrylic
Bakelite
Cooking pans have plastic handles because
They are light, durable and strong
They are non- reactive
They are poor conductors of heat and electricity
They do not catch fire
Polythene which is used to make polythene bags is an example of a ________.
Thermoplastics
thermosetting plastics
Nozzle with many tiny holes through which liquid fiber-forming solutions are forced to form manufactured filaments of synthetic fibres.
wicking
spinneret
denier
generic groups
IDENTIFY THE PLOUGH FROM THE FOLLOWING FIGURES
WHICH OF THE FOLLOWING IS NEITHER KHARIF CROP NOR RABI CROP?
PADDY
WHEAT
MAIZE
WATERMELON
THIS INSTRUMENT IS USED FOR
HARVESTING
CUTTING
IRRIGATION
TILLING
SPECIFY THE PICTURE WHICH HELPS IN SOWING OF SEEDS
Weeds can be defined as
Useful plants present in the field
Undesirable plants present in the field
Plants that cannot be used at all
Undesirable insects present in the field.
VERMICOMPOST IS A
FERTILISER
PESTICIDE
MANURE
NONE OF THESE
Transplantation is done in the case of
Wheat
Paddy
Maize
Barley
A group of microorganisms that have the characters of both living and non-living are —
Virus
Bacteria
Protozoa
Fungi
The organic substance obtained from dead plants and animal wastes is
Manure
Fertilizer
Irrigation
Agriculture
A biological control uses a
Predator to control a pest
Pest to control a predator
Grains can be stored on a large-scale in structures called
Silos
Granaries
Both Silos and Granaries
The process of removiing the husk from the grain is called________
Winnowing
Harvesting
Threshing
Weeding
Which of the following method can be used for irrigating unlevelled fields
Drip irrigation
River lift system
Tube well
Sprinkler
The management and production of fish is called
Pisciculture
Apiculture
Sericulture
Aquaculture
A bacteria responsible for curdling of milk is:
Lactobacillus
Rhizobium
Oscillatoria
Plasmodium
An example of symbiotic relationship is found in:
Moulds
Bacteriophase
Aspergillus
Lichens
This single celled algae can cause water bloom in favorable conditions.
Chlorella
Volvox
Kelp
Spirogyra
