Q:

Barometer was invented by

A) Evangelista Torricelli	B) Charles Xavier Thomas
C) Edward Teller	D) Gustav Tauschek

Answer & Explanation Answer: A) Evangelista Torricelli

Explanation:

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Filed Under: Inventions
Exam Prep: Bank Exams

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Q:

If $2 x^{2} + 2 y^{2} = 4 a$ the find the value of $\frac{2 a}{x^{2} - a} + \frac{2 a}{y^{2} - a}$

A) 0	B) 1
C) a	D) 2a

Answer & Explanation Answer: A) 0

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE
Job Role: Bank Clerk , Bank PO

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Q:

Which country is constructing a DNA sequencing platform to store ethnic data of about 80 million people?

A) India	B) United States of America
C) China	D) Indonesia

Answer & Explanation Answer: C) China

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Filed Under: General Awareness
Exam Prep: Bank Exams

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Q:

Why does a black board appears black in colour?

A) It reflects black colour	B) It absorbs black colour
C) It reflects all colours	D) It absorbs all the colours

Answer & Explanation Answer: D) It absorbs all the colours

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Filed Under: General Science

4 1615

Q:

Cold air is ______.

A) lighter than warm air hence cold air settles down	B) heavier than warm air hence cold air rises up
C) lighter than warm air hence cold air rises up	D) heavier than warm air hence cold air settles down

Answer & Explanation Answer: D) heavier than warm air hence cold air settles down

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Bubbles of air rise up through liquids due to

A) Surface tension and adherence	B) viscosity and buoyancy
C) air current over the liquid and buoyancy	D) Up thrust and surface tension

Answer & Explanation Answer: B) viscosity and buoyancy

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Unit of impedance is ___________.

A) ohm	B) henry
C) tesla	D) hertz

Answer & Explanation Answer: A) ohm

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Which one of the following statements is not correct?

A) Centre for Science and Environment in a recent study found that a number of commonly available brands of prepackaged breads tested positive for potassium bromate and potassium iodate.	B) Food Safety and Standards Authority of India recommended to the Health Ministry to remove potassium bromate from the list of permissible food additives.
C) The Union Government banned the use of potassium bromate as a food additive on the basisof the above recommendation.	D) Potassium bromate is a neurotoxin.

Answer & Explanation Answer: D) Potassium bromate is a neurotoxin.

Explanation:

CSE in its recommendation asked Indian regulator FSSAI to act immediately and ban the two chemicals.

It says that Indian bread manufacturer’ use two chemicals, banned in many countries but not in India, being used by bread industry are potassium bromate (KbrO3) and potassium iodate (KIO3).

The government (FSSAI) banned the use of potassium bromate as a food additive on the basis of the above recommendation.

The regulator had recommended to the health ministry removal of potassium bromate from the list of permissible food additives after a study by the Centre for Science and Environment (CSE).

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Filed Under: General Awareness
Exam Prep: Bank Exams

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