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Q:

What is the theme of the ‘World Wetlands Day 2021’?

 

A) Wetlands and Water B) Wetlands for Us
C) Save Wetlands D) Wetlands and Covid
 
Answer & Explanation Answer: A) Wetlands and Water

Explanation:
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Filed Under: Important Days and Years
Exam Prep: Bank Exams

2 3507
Q:

An element X forms an oxide XO_{_{3}}, what ihe valency of X

A) 1 B) 2
C) 3 D) 6
 
Answer & Explanation Answer: D) 6

Explanation:
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Filed Under: Chemistry

3 3506
Q:

Why does the sea appear blue in colour?

A) Reflection of the sun light from water surface B) Interference of the sun light from water surface
C) Scattering of the sunlight by water molecules D) refraction of the sun light
 
Answer & Explanation Answer: C) Scattering of the sunlight by water molecules

Explanation:

Sea appears blue in colour due to the scattering of the rays when they hit water molecules

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Filed Under: Physics

1 3506
Q:

What is the measurement at remote distances by means of a radio -link from the object to the ground called?

Answer

Telemetry

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Subject: General Science

12 3506
Q:

Who among the following was the advisor to the Drafting Committee of Constiuent Assembly

A) B.Shiva Rao B) B.R.Ambedkar
C) Sachchidananda Sinha D) B.N.Rau
 
Answer & Explanation Answer: D) B.N.Rau

Explanation:
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Filed Under: Indian Politics

5 3506
Q:

The grouping of blood is based on substances called 

A) antibodies B) antigens
C) antitoxin D) enzymes
 
Answer & Explanation Answer: B) antigens

Explanation:

The red blood corpuscles  or erythrocytes usually carry antigens and there are two types of antigens. The A group persons have antigen A in their red corpuscles and the B group have antigen B in their red corpuscles. The AB group person have both antigen A and antigen B in their erythrocytes. The 'O' group persons have no antigens in their red corpuscles.

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Filed Under: Biology

7 3504
Q:

What are the rungs of the DNA ladder made of?

A) phosphates and sugars B) nitrates and sugars
C) nitrates and phosphates D) sugars and hydrates
 
Answer & Explanation Answer: C) nitrates and phosphates

Explanation:

The rungs or the sides of the DNA ladder is made of Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA i.e, A sugar (deoxyribose) and a phosphate.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

0 3503
Q:

The Kinetic energy of gas molecules

A) is unaffected by temperature variations B) decreases with increase of temperature
C) increases with decrease of temperature D) increases with increase of temperature
 
Answer & Explanation Answer: D) increases with increase of temperature

Explanation:

Kinetic Energy K.E = 12mV2  or 

K.E ∝V2, Where 'm' is the mass and 'v' is the velocity of molecules.

 

Velocity is proportional to temperature. Hence, KE is proportional to temperature and would increase with temperature.

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Filed Under: Chemistry
Exam Prep: AIEEE

18 3503