19) “If all plant cells have nucleus then mesophyll is a plant cell” this statement is………
a) experiment
b) observation
c) hypothesis
d) deduction
20) The logical consequences of hypothesis is called…
a) experiment
b) observation
c) deduction
d) conclusion
21) “If all birds have wing then pigeon is a bird” this statement is………
a) experiment
b) deduction
c) observation
d) conclusion
22) Deductions help the biologists:
a) to do experiment
b) to draw conclusion
c) to check his data
d) to report the problem
23) The most important step in solving a biological problem is………
a) experiment
b) observation
c) deduction
d) conclusion
24) True hypothesis is accepted and false one rejected on the basis of………
a) conclusion
b) observation
c) deduction
d) experiment