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Group 1 TNPSC Question Paper - 20th July 2014 - Prelims


1. 

Which of the following is/are correctly matched?
I. Hard resin - Cocaine
II. Oleo resin - Canada Balsam
III. Latex - Rubber
IV. Alkaloid - Asafoetida

Answer : B. II and III

2. 

Which one of the following statement(s) about Blue Green Algae (BGA) is/are not correct?

Answer : D. Sargassum belongs to BGA

3. 

The chromonema is a coiled structure, which can be easily separated in case of

Answer : A. Paranemic coil

4. 

In 1905, Albert Einstein discovered

Answer : C. Special theory of relativity and photoelectric effect

5. 

1. Dynamic lift of aeroplane is based on the principle of Bernoulli's theorem.
2. Glass is less elastic than rubber.
3. For a system free from external forces, linear momemtum of the system remains constant
Which of the above statement is/are wrong?

Answer : A. (2) only

6. 

A rocket 100 m long at rest starts to move with uniform motion of 0.8 C. What is its length as seen by an observer at rest?

Answer : A. 60 m

7. 

Which of the following has the highest ionizing power?

Answer : B. Alpha rays

8. 

Sound waves from a sounding car are

Answer : B. longitudinal waves

9. 

Consider the following statements.
Assertion (A) : Receptors for steroid hormones are located inside the cells.
Reason (R) : Because steroid hormones are lipid soluble molecules that diffuse easilyy through the phospholipid interior of cell membrane.

Answer : A. Both (A) and (R) are true and (R) is the correct explanation of (A)

10. 

Hormone Gastrin acts as

Answer : A. Stimulates HCl production



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