Exams Questions and Answers

Q:

Which of the following gases is heavier than oxygen?

A) Carbon dioxide	B) Ammonia
C) Methane	D) Helium

Answer & Explanation Answer: A) Carbon dioxide

Explanation:

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

Which one of the following statements is correct?

A) The rank of Second Lieutenant has been abolished.	B) The Chief of Army Staff carries the rank of Field Marshal.
C) All officers posted to Andaman and Nicobar Islands wear the ranks of the Indian Navy.	D) The rank of Major General is higher than the rank of Lieutenant General.

Answer & Explanation Answer: A) The rank of Second Lieutenant has been abolished.

Explanation:

The rank of 2nd Lieutenant/Act. Sub Lieutenant/Pilot Officer were removed because the salary of the officers holding these ranks were less compared to senior Non-Commissioned Officers i.e Subedar Major in army, Master Warrant Officer in air force and Master Chief Petty Officer -1st Class in navy.

Rest of the statements are incorrect.In modern armies, lieutenant general normally ranks immediately below general and above major general; it is equivalent to the navy rank of vice admiral, and in air forces with a separate rank structure, it is equivalent to air marshal.

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Filed Under: General Awareness
Exam Prep: Bank Exams

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Q:

Which one of the following is not a property of electromagnetic waves?

A) Electromagnetic waves do not show interference and diffraction.	B) Oscillating electric field and magnetic field are perpendicular to each other.
C) Electromagnetic waves are transverse waves	D) Electromagnetic waves do not require a medium to propagate.

Answer & Explanation Answer: A) Electromagnetic waves do not show interference and diffraction.

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Which of the following disease is non-communicable in nature?

A) Cholera	B) Chicken-pox
C) Tuberculosis	D) Cancer

Answer & Explanation Answer: D) Cancer

Explanation:

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Filed Under: Biology
Exam Prep: Bank Exams

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Q:

If PA and PB are tangents to the circle with centre O such that $∠ A P B = 50 °$ , then the $∠ O A B =$

A) 25°	B) 30°
C) 40°	D) 50°

Answer & Explanation Answer: A) 25°

Explanation:

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

Bacteria was discovered by

A) Antonie van Leeuwenhoek	B) Belarus
C) Hugo de Vries	D) Robert Brown

Answer & Explanation Answer: A) Antonie van Leeuwenhoek

Explanation:

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Filed Under: Inventions
Exam Prep: Bank Exams

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Q:

__________ is the 2016 Oscar Winner for Best Director.

A) Alejandro G. Inarritu	B) Adam McKay
C) George Miller	D) Tom McCarthy

Answer & Explanation Answer: A) Alejandro G. Inarritu

Explanation:

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Filed Under: Honours and Awards
Exam Prep: Bank Exams

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Q:

In animals like Annelids, Molluscs, organs have associated to form functional systems, each system concerned with a specific physiological function. This pattern is called ________ system level of organization.

A) organ	B) open
C) closed	D) coelom

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