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Worksheetssci practice class 7
Total questions: 15
Worksheet time: 11mins
from where did the term fahrenheit come from
Otto Hanh
Gaberail Fahrenheit
Lord Kelvin
Andreas Celsius
what does a straight line parallel to distance axis show on a graph
(a)
which of the following is NOT associated with respiration
Gall bladder
Pharynx
gills
liver
which of the following shows symbiosis
Alga and Fungus
Alga and fish
Rizobium and Money plant
Rizobium and pea plant
in which of the cases an acid will not be useful
if soil is too basic
ant sting
water too acidic
indigestion
plants which drive food from the body of the host
(a)
conduction takes place in solids only
true
false
which of the following do not disperse by explosion
Balsam
Lady finger
Apple
Xanthium
roof tops of buildings in hot climate are made of
insulator
conductor
which of the following is not a mode of heat transfer
radiation
conduction
convection
locomotion
what is the percentage of oxygen in exhaled air
(a)
acidic soil can be nuetrailised by adding _______
Quick lime
Vinegar
Slaked lime
magnesium hydroxide
exhaled air contains more ______ than inhaled air
oxygen
dust particles
water vapor
acid
what is product of neutralization
(a)
which of the following is periodic
swinging of pendulum
writing on paper
wilting of leaves
