General Science

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Blood clot inside a blood vessel is known as ?

A) Thrombosis
B) Agglutinin
C) Clot
D) Thrombus

Correct Answer :Thrombosis

Excess of water in urine resulting from kidney failure is known as ?

A) Ureotelic
B) Diabetes Malitus
C) Diabetes insipidus
D) None of these

Correct Answer :Diabetes insipidus

Vitamin B12 takes part in?

A)
increase in blood pressure

B)
decrease in blood pressure

C)
activating bone marrow

D)
maturation of RBC’s


Correct Answer :

maturation of RBC’s


Explanation :

Vitamin B12, is a water-soluble vitamin that has a key role in the normal functioning of the brain and nervous system, and the formation of red blood cells.

A boy watching Ramleela from a distance sees the effigy of Ravana bursting into flames & hears the explosion after 2 seconds because ?

A)
Sound travels faster than light

B)
Light travels faster than sound

C)
Both travel at the same speed

D)
It is persistence of vision


Correct Answer :

Light travels faster than sound


Explanation :

Light waves travel at 3x108 m/s in a vacuum whereas sound requires a medium to travel through limits its speed ,usually 340 m/s in the air but considerably faster in water.

The danger signals are red in colour because it is ?

A)
Least absorbed by fog or smoke

B)
Strongly absorbed by fog or smoke

C)
Least scattered by fog or smoke

D)
Strongly scattered by fog or smoke


Correct Answer :

Least scattered by fog or smoke


Explanation :

red which has the highest wavelength of all the colors, is used for danger signals is that red light is scattered the least by air molecules.So red light is able to travel the longest distance through fog, rain, and the alike.

The element of electrical heating device are usually made of?

A)
Tungsten

B)
Bronze

C)
Nichrome

D)
Argon


Correct Answer :

Nichrome


Explanation :

Nichrome: Most heating elements use nichrome 80/20 (80% nickel, 20% chromium) wire, ribbon, or strip.
Nichrome 80/20 is an ideal material, because it has relatively high resistance and has high melting point of about 1400 degree centigrade.
Also Nichrome has a very low resistivity in the range of 10–8 Ωm to 10–6 Ωm and are good conductors of electricity.

Why are solor cooker painted black from inside?

A)
Black colour absorbs heat quickly

B)
Black colour is good reflector of heat

C)
To keep it neat

D)
None of the above


Correct Answer :

Black colour absorbs heat quickly


Explanation :

A solar cooker is a device which uses the energy of direct sunlight to heat, cook or pasteurise drink.

Inner wall of solar cooker is painted black because black colour is a good absorber of heat it absorbs heat and make the temperature hot inside the cooker.

Pick the common disorder of the respiratory tract ............?

A)
Tetanus

B)
Asthma

C)
Jaundice

D)
Dysentery


Correct Answer :

Asthma


Explanation :

Asthma : A condition in which a person's airways become inflamed, narrow and swell and produce extra mucus, which makes it difficult to breathe.
Asthma may cause difficulty breathing, chest pain, cough and wheezing. The symptoms may sometimes flare up.

Name the vitamin that is needed by many enzymes and helps to maintain a healthy digestive tract and nervous system is ..........?

A)
Vitamin-B2

B)
Vitamin-B3

C)
Vitamin-B4

D)
Vitamin-B12


Correct Answer :

Vitamin-B2


Explanation :

Vitamin B2, or riboflavin, is one of eight B vitamins that are essential for human health. It can be found in grains, plants, and dairy products. It is crucial for breaking down food components, absorbing other nutrients, and maintaining tissues.

The only property of a gas which is independent of the temperature at which it is ?

A)
Kinetic energy

B)
Volumne

C)
Mass

D)
Pressure


Correct Answer :

Mass

Which of the following causes the least pollution when burnt ?

A)
Petrol

B)
Diesel

C)
Coal

D)
Natural gas


Correct Answer :

Natural gas


Explanation :

Among the list of fossil fuels, natural gas is considered to be the least polluting fuel, produce less carbon dioxide per joule delivered than either coal or oil.

The main constituent of CNG is?

A)
Methane

B)
Butane

C)
Ethane

D)
Propane


Correct Answer :

Natural gas


Explanation :

Compressed Natural Gas (CNG) is a fuel which can be used in place of gasoline (petrol), Diesel . And is composed primarily of methane (91.9%) compressed at a pressure of 200 to 248 bars but may also contain ethane, propane and heavier hydrocarbons.
LPG is Liquefied Petroleum Gas, a mixture of propane and butane liquefied at 15 °C and a pressure of 1.7 - 7.5 bar.

Maximum temperature that can be obtained in a box type solar cooker is?

A)
2000C

B)
1400C

C)
800C

D)
2500C


Correct Answer :

1400C


Explanation :

The box type solar cooker consists of a rectangular box insulated on the bottom and sides & having two glass covers on the top. A single glass reflector whose inclination can be varied with the attachment to the box. Temperature up to 150 deg C can be reached in the cooker. But food containing water can be heated up to 100 deg C.

What is the audible range (hearing range) of humans?

A)
20 Hz - 20000 Hz

B)
80 Hz-100 Hz

C)
2 lac Hz - 4 lac Hz

D)
0 Hz-20 Hz


Correct Answer :

20 Hz - 20000 Hz


Explanation :

The human ear can respond to minute pressure variations in the air if they are in the audible frequency range, roughly 20 Hz - 20 kHz.

The synthesis of food in plants takes place in the_________?

A)
Roots

B)
Leaves

C)
Stem

D)
Fruit


Correct Answer :

Leaves


Explanation :

Plants make food in their leaves. The leaves contain a pigment called chlorophyll, which colors the leaves green. Chlorophyll can make food the plant can use from carbon dioxide, water, nutrients, and energy from sunlight. This process is called photosynthesis.

Temperature in pasteurization is?

A)
72o C

B)
35.7o C

C)
56o C

D)
60.8o C


Correct Answer :

72o C


Explanation :

for Pasteurization of milk, the higher temperature 72° C (162° F) is required for 15 seconds , or alternatively the temperatures of about 63° C (145° F) is required for 30 minutes

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Physics

Atmospheric pressure at sea level equals ?

General Knowledge of India

Which of the following dance forms was introduced by the great Vaishnava saint and reformer Mahapurusha Sankaradeva ?

Which of the following is the only classical dance of india having links with Muslim culture and represents a unique synthesis of Hindu and Muslim genius in art ?

Time and Distance

Starting from the same point at the same time, Ruhan and Yuvan had to reach the same destination. While Ruhan drove at 45 km/hr, Yuvan was slower by 5 km/hr. If Yuvan arrived at the destination an hour after Ruhan did, the distance covered by each, in Kilometres, was ?

Simple Interest

A sum of money was invested at a certain rate of simple interest for 4 years. Had the sum been invested at a rate 3% higher than the actual rate, the interest earned would have been 720 Rs more. Find the sum initially invested?

Ratio and Proportion

A bag contains red, blue and black balls. The ratio of red to blue balls is 3 : 5. The ratio of black to red balls is 3 : 4. What is the ratio of blue to black balls?

Profit and Loss

Selling a pack of incense sticks for 136 Rs resulted in a loss of 15%. To make a profit of 10%, the selling price should be ?

Percentage

23% of a bucket full of diluted milk was water. If the quantity of pure milk in the bucket was 15.4 liter, then the capacity of the bucket was ?

Average

The average of the marks obtained by three girls in a test was twice the average of the marks obtained by eight boys in that test. If the total marks obtained by all these examinees was 168, find the average marks each of the girls obtained ?

Pipes and Cistern

44 pipes can fill a large water tank in 27 hours. How many hours it take for 66 pipes to fill four such tanks ?

HCF and LCM

A natural number, when divided by 3, 4, 5, 6, and 7 respectively, leaves corresponding remainder of 2, 3, 4, 5 and 6. What is the smallest of all such numbers fulfilling the above condition ?

Coding-Decoding

If in a certain code language, PRINT is written as 34825 and TRUE is written as 5479. Then, how will TENURE be written in that language?

Order Sequence

Arrange the given words from smallest to biggest-
1.Jug
2.Mug
3.Bucket
4.Drum
5.Cup

Statement and Conclusion

Statements
All socks are shoes
Some shoes are black

Conclusions
I. Some shoes are socks.
II. No scoks is black

Numbers

The difference between the place value of 4 and 2 in the number 833749502 is ?

Analogy

GIKM : HJLN :: PRTV : .........?

Order Sequence

In a row of girls, Nanda is eighth from the left and Chanda is nineteenth from right. When Nanda and Chanda interchange their positions, Chanda becomes twnty-third form right. How many girls are there in the row?

Analogy

Summer: Day :: Winter : ........?