1.
Special 3-D photographs which have been taken with laser beams (and which make the objects look real) are called what?
Answer: Option 'D'
Holograms
2.
The first synthetic fibre made by man was ____ ?
Answer: Option 'C'
Nylon
3.
What happens when some charge is placed on a soap bubble?
Answer: Option 'C'
Its radius increases
4.
The theory which advocates that living beings can arise only from other living beings is termed
Answer: Option 'A'
Bio-genesis
5.
The man who is specialist in wine making is called as?
Answer: Option 'A'
Oenologist