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27 questions
The vascular tissue in plants is made of
xylem
phloem
both xylem and phloem
none of the above
The motion of the earth around the sun is due to
magnetic force
gravitational force
electrostatic force
none of the above
muscular force is exerted due to the
elongation of muscles
contraction of muscles
both of the above
none of the above
The partially digested food of ruminants is called
rumen
cud
cellulose
chyme
The temperature in a bee hive is high because
bees have a secret heat source
honeycombs are able to generate heat
the activities of the bees makes the hive warmer
The stage in the production of silk in which the cocoons are kept in sun
shearing
winning
rearing
scouring
an organ system is a group of organs that act together to perfom a set of related functions.
true
false
The inner wall of small intestine bear numerous finger like projections called villi.
true
false
wool and silk can catch fire easily
true
false
pressure on solids increases with increase in surface area.
true
false
SI unit of heat is PASCAL
true
false
thermal energy in a hot drink id transfered to cold hands.
true
false
________________ is seen dripping from the mouth of ruminants.
_______________ is the largest organ in the human body
fibrous protein found in natural hair.
At higher altitude, the air pressure ___________
_______________ is a mode of heat transfer usually in fluids
_____________ refers to the utilization of absorbed food .
microwave cooking is based on _______________
wool keeps you warm because it is a_________
amoeba is a _____________organism
kidney is an organ of ____________system
________________ is called artificial silk.
As skin is to animals _____________tissue is to plants
68' F = ______' C
give the types of teeth and their uses.
The planets revolve around the sun while the electrons revolve around the nucleus of an atom. Is the same kind of force involved in both the cases? explain
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