Learn Test - TNPSC Previous Year Question Papers

1. Why vegetables and fruits turn brown on cutting?

ADue to the reaction between phenolic compound and oxygen in air BDue to the formation of inorganic compound C Due to the formation of salts DDue to the formation of bases

2. Among the following which one is not a biofertilizer?

AAnabaena BNostoc C Lindane DRhizobium

3. Consider the statements:
(a) Sterility is caused by the deficiency of Vitamin K.
(b) Night blindness is caused by the deficiency of Vitamin D.

ABoth (a) and (b) are false B(a) is false and (b) is true C (a) is true and (b) is false DBoth (a) and (b) are true

4. The valve which regulates the blood flow froin right ventricle the pulmonary artery

ASemi-lunar valve BAuriculo-ventricular valve C Bi Cuspid valve DTri Cuspid valve

5. Match List I and List II:
List I List II
(a) Glycolysis 1. O2 is not utilised
(b) Kreb's cycle 2. ATP are produced
(c) Electron transport chain 3. Oxidation of pyruvic acid
(d) Fermentation 4. Occurs in cytoplasm
(a) (b) (c) (d)

A3 4 2 1 B4 3 2 1 C 1 3 4 2 D2 4 1 3

6. Who among the Indian - born American scientist bagged the prestigious award Lemelson-MIT prize worth 5,00,000 dollars?

AAjit Doval BMohamed Nasheed C Ramesh Raskar DJagdish Tytler

7. Who won the GD Birla Award for Scientific Research for the year 2016?

ASanjeev Galande BRaghavan Varadarajan C Sriram Ramasamy DSanjay Mittal

8. Who is the Chief Information Commissioner of India in September 2016?

AP.K. Sinha BR.K. Narayanan C R.K. Mathoor DR.K. Koul

9. 'Operation calm down' is associated with which state?

ATamilnadu BAndhra Pradesh C Jammu Kashmir DBihar

10. Name the Battery that shuts down on over heating and restarts when the temperature becomes cool

ASodium ion BLithium ion C Carbon ion DPotassium ion

Select the correct answer: