TNPSC Group 1, 2, 2a, 4, VAO Science and Technology Study Material Notes - 1

Question: 1

New software for android phones named ‘Home’ has been released by

(A) Google

(B) Facebook

(C) LinkedIn

(D) Twitter

Ans: B

Facebook

Question: 2

First unit of Kudankulam Nuclear Power plant synchronized with the power grid was

(A) Western power grid

(B) Northern power grid

(C) Southern power grid

(D) None of these

Ans: C

Southern power grid

Question: 3

In an isothermal change an ideal gas obey’s

(A) Boyle’s law

(B) Charles law

(C) Gay Lussac’s law

(D) None of these

Ans: A

Boyle’s law

Question: 4

Jeff Bezos, the Amazon CEO recovered two Apollo Rocket Engines from

(A) Arabian sea

(B) Atlantic ocean

(C) South China sea

(D) Pacific ocean

Ans: B

Atlantic ocean

Question: 5

Scientists at the New Jersey engineered a sensor chip that can detect diseases from samples of

(A) Hair

(B) Sweat

(C) Blood drop

(D) Saliva

Ans: C

Blood drop

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