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General Awareness Test-12 - NDA MCQ


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20 Questions MCQ Test NDA (National Defence Academy) Mock Test Series 2024 - General Awareness Test-12

General Awareness Test-12 for NDA 2024 is part of NDA (National Defence Academy) Mock Test Series 2024 preparation. The General Awareness Test-12 questions and answers have been prepared according to the NDA exam syllabus.The General Awareness Test-12 MCQs are made for NDA 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for General Awareness Test-12 below.
Solutions of General Awareness Test-12 questions in English are available as part of our NDA (National Defence Academy) Mock Test Series 2024 for NDA & General Awareness Test-12 solutions in Hindi for NDA (National Defence Academy) Mock Test Series 2024 course. Download more important topics, notes, lectures and mock test series for NDA Exam by signing up for free. Attempt General Awareness Test-12 | 20 questions in 24 minutes | Mock test for NDA preparation | Free important questions MCQ to study NDA (National Defence Academy) Mock Test Series 2024 for NDA Exam | Download free PDF with solutions
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General Awareness Test-12 - Question 1

The upper and lower portions in common type of bi-focal lenses are respectively 

Detailed Solution for General Awareness Test-12 - Question 1

The upper and lower portions in common type of bifocal lenses are concave and convex respectively. 

General Awareness Test-12 - Question 2

Tungsten is used for the construction of filament in electric bulb because of its 

Detailed Solution for General Awareness Test-12 - Question 2

Tungsten has the highest melting point and lowest vapour pressure of all metals. 

General Awareness Test-12 - Question 3

Inactive Nitrogen and Argon gases are usually used in electric bulbs in order to 

Detailed Solution for General Awareness Test-12 - Question 3

The inert gas within the bulb prevents the filament from evaporating. Thus it increases the life of the filament. 

General Awareness Test-12 - Question 4

In the phenomenon of dispersion of light, the light wave of shortest wavelength is 

Detailed Solution for General Awareness Test-12 - Question 4

Short wavelength is slowed down and refracted the most. 

General Awareness Test-12 - Question 5

An oscilloscope is an instrument which allows us to see waves produced by 

Detailed Solution for General Awareness Test-12 - Question 5

Oscilloscope is and instrument which allows us to see waves produced by sound. The microphone can then pick up the sound and convert it to an electrical signal which can be displayed on the oscilloscope.

General Awareness Test-12 - Question 6

The distribution of electrons into different orbits of an atom, as suggested by Bohr; is 

Detailed Solution for General Awareness Test-12 - Question 6

Maximum n of electrons in K, L, M and N is 2, 8, 18 and 32 respectively. 

General Awareness Test-12 - Question 7

Carbon or Graphite rods are used in atomic reactors as moderators for sustained nuclear chain reaction through nuclear fission process. In this process 

Detailed Solution for General Awareness Test-12 - Question 7

Moderators like carbon and Graphite are used for slowing down the neutrons from fission have very high speeds and must be slowed greatly by “moderation” to maintain the chain reaction. 

General Awareness Test-12 - Question 8

The distance-time graph for an object is shown above. Which one of the following statements holds true for this object? 

Detailed Solution for General Awareness Test-12 - Question 8

The object is rest because body displacement not changes with respect to time.

General Awareness Test-12 - Question 9

For a harmonic oscillator, the graph between momentum p and displacement q would come out as 

General Awareness Test-12 - Question 10

Statement I: When a gun is fired it recoils, i.e., it pushes back, with much less velocity than the velocity of the bullet. 
Statement II: Velocity of the recoiling gun is less because the gun is much heavier than the bullet. 
Code: 

General Awareness Test-12 - Question 11

The monuments at Khajuraho belong to the period of?

Detailed Solution for General Awareness Test-12 - Question 11

Khajuraho temples were built between 950 and 1050 by the Chandela dynasty. The Khajuraho Group of Monuments is a group of Hindu and Jain temples in Madhya Pradesh, India, about 175 kilometers (109 mi) southeast of Jhansi. They are one of the UNESCO World Heritage Sites in India.
 

General Awareness Test-12 - Question 12

To which period does the Mehrauli Pillar inscription belong?

Detailed Solution for General Awareness Test-12 - Question 12

The Mehrauli iron pillar of Delhi, India is a 7 meter (22 feet) high pillar in the Qutb complex which is notable for the composition of the metals used in its construction. The pillar was erected by Chandragupta II Vikramaditya in the Gupta period.

General Awareness Test-12 - Question 13

Which of the following seas has the highest salinity?

Detailed Solution for General Awareness Test-12 - Question 13

The dead sea has the highest salinity. The Dead Sea is 306 m (1,004 ft) deep, the deepest hypersaline lake in the world. With 34.2% salinity (in 2011), it is also one of the world’s saltiest bodies of water.

General Awareness Test-12 - Question 14

Which of the following has a maximum diurnal temperature difference?

Detailed Solution for General Awareness Test-12 - Question 14

The diurnal temperature range (DTR) is the difference between the daily maximum and minimum temperature. Desert areas typically have the greatest diurnal temperature variations.

General Awareness Test-12 - Question 15

Under Article 365 what are the duties of the Union Government with respect to State Governments

Detailed Solution for General Awareness Test-12 - Question 15

ARTICLE 365-When any State has failed to comply with, or to give effect to, any directions given in the exercise of the executive power of the Union under any of the provisions of this Constitution, it shall be lawful for the President to hold that a situation has arisen in which the Government of the State cannot be carried on in accordance with the provisions of the Constitution.

General Awareness Test-12 - Question 16

The Currency Convertibility concept in its original form is originated in___________. 

Detailed Solution for General Awareness Test-12 - Question 16

The Bretton Woods Agreement is the landmark system for monetary and exchange rate management established in 1944. It was developed at the United Nations Monetary and Financial Conference held in Bretton Woods, New Hampshire, from July 1 to July 22, 1944. The Currency Convertibility concept in its original form is originated in the Bretton Woods agreement.

General Awareness Test-12 - Question 17

The gaseous exchange takes place in leaves through tiny pores for the purpose of photosynthesis. What are these pores?

Detailed Solution for General Awareness Test-12 - Question 17

Stomata are the microscopic openings or pores in the epidermis of leaves and young stems. Stomata are generally more numerous on the underside of leaves. They provide for the exchange of gases between the outside air and the branched system of interconnecting air canals within the leaf.
 

General Awareness Test-12 - Question 18

Ethanol reacts with sodium leading to the evolution of which gas?

Detailed Solution for General Awareness Test-12 - Question 18

If a small piece of sodium is dropped into some ethanol, it reacts steadily to give off bubbles of hydrogen gas and leaves a colourless solution of sodium ethoxide.
 

General Awareness Test-12 - Question 19

Reproductive part of the flower is

Detailed Solution for General Awareness Test-12 - Question 19

Reproductive part of the flower is androecium and gynoecium. Androecium (or stamen) refers to the male part of the flower whereas the gynoecium (or pistil or carpel) refers to the female part of the flower.

General Awareness Test-12 - Question 20

Bacteria, blue-green algae or cyanobacteria, and mycoplasma are examples of organisms of which kingdom?

Detailed Solution for General Awareness Test-12 - Question 20

All prokaryotic organisms come under Kingdom Monera. Monera includes bacteria, mycoplasmas, cyanobacteria (blue-green alga) and actinomycetes.

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