Animals which use light for communicating with their mates
insects
fire flies
cockroachs
none of the above
Synthesis of new molecules in a cell requires the following energy
Mechanical
Electrical
ATP
Heat
One of the following is not useful as fuel yielding plant in waste lands
Subabul
Eucalyptus
Avicennia
Casuarina
The basal metabolic rate of a mouse is higher than an elephant because
mouse is more active
elephant is active
body surface of mouse is more to its body weight
body surface of elephant is more to its body weight
Unit of energy is
watt
angstrom
calorie
degree
Energy required to boil water is
electrical energy
heat energy
radiant energy
bond energy
Biogas is produced form organic wastes by
aerobic fermentation
anaerobic fermentation
direct burning
slow burning
When blood levels of thyroid hormone is low the condition is called
hyperthyroidism
hypothyroidism
mongolism
hypoglycemia
Example for active transport is
pumping of water to overhead tank
carrying a boulder to the top of the hill
both of the above
none of these
Basal metabolic rate of an organism varies with the following
environment
body temperature
hormonal status
all the above
