1) Observation, apparatus handling, comparisons, classification, communication, inferring, hypothesis and analyzing are all a. processes b. skills c. both a and b d. personal trait
|
||||
2) Mercury, cyanide and chlorine are a. toxic b. poisonous c. both a and b d. harmless
|
||||
3) Blood and its products are biohazardous which can spread infections of a. virus b. bacteria c. both a and b d. fungus
|
||||
4) Air pollution is generally made by a. factories b. houses c. mobiles d. LED
|
||||
5) An uncertain explanation for any observation which can be verified by investigation is called
a. observation b. conclusions c. analysis d. hypothesis
|
||||
6) Careful and accurate observation using sensory organs is usually done by good observers who are a. scientist b. dentists c. artists d. priest
|
||||
7) Jane Goodall was a British scientist stayed in forest without comforts for more than 10 years to study life of a a. monkey b. chimpanzee c. binmanas d. deer
|
||||
8) Isaac Newton is a very famous scientist who gave a. law of gravity b. law of motion c. matter theory d. all of them
|
||||
9) Thomas Edison invented light bulb, phonograph, motion picture apparatus and many things even being a. blind b. deaf c. dumb d. sick
|
||||
10) Astronomy includes the study of stars, planets, moons and a. space b. earth c. global warming d. all of them
|