Which of the following is not a mammal?
(a) Fish
(b) Cow
(c) Goat
(d) Whale
Acid rain is caused by pollution in environment by:
(a) Carbon dioxide and nitrogen
(b) Carbon monoxide and carbon dioxid
(c) Ozone and carbon dioxide
(d) Nitrous oxide and sulphur dioxide
Which of the following is/are found in plant cells but not in those of animals?
(a) Plastid & cellular wall
(b) Chromosome
(c) Mitochondria & Golgi apparatus
(d) Cell wall & lysozyme
During the daytime plants:
(a) Take in oxygen and give out carbon dioxide
(b) Take in carbon dioxide and give out oxygen
(c) Take in nitrogen and give out oxygen
(d) Take in carbon dioxide and give out nitrogen
Total volumeofblood ina normalhuman being is:
(a) 5-6 litres
(b) 3-4 Litres
(c) 8-10 Litres
(d) 10-12 Litres
The scientist who first discovered that the earth revolves round the sun was:
(a) Isaac Newton
(b) John Dalton
(c) Nicolaus Copernicus
(d) Albert Einstein
Alexander Fleming discovered:
(a) Penicillin
(b) X-Rays
(c) Streptomycin
(d) Telephone
“Theory of Relativity” was presented by:
(a) Isaac Newton
(b) Albert Einstein
(c) Galileo Galilei
(d) Michael Faraday
Into how many regions the brain is mainly divided:
(a) 2
(b) 3
(c) 4
(d) 5
Chicken pox is caused by:
(a) Virus
(b) Bacteria
(c) Protozoa
(d) Fungus