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Group 1 TNPSC Question Paper - 4th March 2019 - Prelims

1. 

In vaccum all objects fall with

A. same acceleration and heavy bodies reach ground first B. same acceleration and reach the ground at the same time C. different acceleration and reach the ground at different time D. different acceleration and heavy bodies reach ground first

Answer : B. same acceleration and reach the ground at the same time

2. 

The time reverberation of a hall can be decreased by

A. having a number of loud speakers B. opening all windows and doors C. closing all windows and doors D. speaking loudly

Answer : B. opening all windows and doors

3. 

Which spectroscopy is used in chemical examination of interstellar space?

A. Microwave Spectroscopy B. Infrared (IR) Spectroscopy C. Raman Spectroscopy D. NMR Spectroscopy

Answer : A. Microwave Spectroscopy

4. 

The Indian Salt Petre is

A. Ammonium nitrate (NH4 NO3) B. Sodium nitrate (Na NO3) C. Potassium nitrate (KNO3) D. Calcium nitrate Ca(NO3)2

Answer : C. Potassium nitrate (KNO3)

5. 

The unit for equivalent conductivity is

A. ohm-1 cm-1 B. ohm-1 cm-2 ep-1 C. ohm-1 cm2 eq-1 D. S cm-2 eq-1

Answer : C. ohm-1 cm2 eq-1

6. 

The main constituent of steel in India are

A. Ni and Cu B. Mn and Cr C. Fe and Cu D. Ti and Cr

Answer : B. Mn and Cr

7. 

When did the Prime Minister of India inaugurate the country's longest rail cum-road bridge built over the Brahmaputra river at Bogibeel near Dibrugarh in Assam?

A. On November 25, 2018 B. On December 25, 2018 C. On December 10, 2018 D. On November 10, 2018

Answer : B. On December 25, 2018

8. 

The end product of anaerobic respiration is

A. Acetyl Co-A B. Ethanol alchol C. Pyruvic acid D. Succinic acid

Answer : B. Ethanol alchol

9. 

Golden rice is a genetically modified crop. Where the incorporated gene is meant for biosynthesis of

A. Vitamin A B. Vitamin B C. Vitamin C D. Vitamin D

Answer : A. Vitamin A

10. 

Most widely used bioweapen is

A. Bacillus subtilis B. Vibrio cholerae C. Bacillus anthracis D. Escherichia coli

Answer : C. Bacillus anthracis

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