1. Polythene is industrially prepared by the polymerisation of–
A methane
B styrene
C acetylene
D ethylene
2. Which of the following elements is non-radioactive?
A Uranium
B Thorium
C Plutonium
D Zirconium
3. Which of the following is in liquid form at room temperature ?
A Cerium
B Sodium
C Francium
D Lithium
4. The total amount of energy assimilated by plant during photosynthesis is called as:
a Gross primary production
b Gross tropic energy
c Biomass
d Net primary production
5. Acromegaly is caused by irregular secretion of
A Pituitary
B Adrenal
C Thyroid
D Pancreas
6. Movement of cell against concentration gradient is called
A osmosis
B active transport
C diffusion
D passive transport
7.The primary source of carbohydrates are ?
A marine animals
B crude oil
C plants
D coal-far
8.Who discovered the Polio vaccine ?
A Louis Pasteur
B Jonas Salk
C Konrad Zuse
D Eli Whitney
9.The largest part of the human brain is ?
A Medulla oblongata
B Cerebellum
C Cerebrum
D Mid-brain
10. The lining of marrow cavity is called ?
A Episteum
B Periosteum
C Endosteum
D Sarcolemma
Solutions
1.D
2.D
3.C
4.A
5.A
6.B
7.D
8.B
9.C
10.C
