q1. The kidneys in human beings are a part of system for
a.nutrition
b.respiration
c.excretion
d. transpiration
q2.The xylem in plants are responsible for
a.transport of water
b.transport of food
c.transport of amino acid
d.transport of oxygen
q3.The autotrophic mode of nutrition requires
a.co2 and h2o
b.chlorophyll
c.sunlight
d.all of the above
q4.The breakdown of pyruvate to give co2,h2o and energy takes place in
a.cytoplasm
b.mitochondria
c.chloroplast
d.nucleus
q5.Where is bile produced?
a. gall blader
b.blood
c.liver
d.spleem
ANSWERS-1-C 2-A 3-D 4-B 5-C
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