General Science

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Which planet has the longest day in our solar system?

A)
Mercury

B)
Saturn

C)
Venus

D)
Earth


Correct Answer :

Venus


Explanation :

Venus has the longest day of any planet in our solar system. It completes one rotation every 243 days of the earth.

Laughing gas is also called as?

A)
Hydrogen dioxide

B)
Sulphur dioxide

C)
Hydrogen peroxide

D)
Nitrous oxide


Correct Answer :

Nitrous oxide


Explanation :

Nitrous oxide(N2O), also called dinitrogen monoxide, laughing gas, or nitrous, is a chemical compound with the formula N2O. At room temperature, it is a colorless, odorless non-flammable gas with a slightly sweet taste. It is used in surgery and dentistry for its anaesthetic and analgesic effects.

Which Pigment in the skin of human beings protects the body from U.V radiation of Sun?

A)

Haemoglobin


B)

Chlorophyll


C)

Melanin


D)

Thyroxine



Correct Answer :

Melanin


Explanation :

In human skin, melanin are pigments that color our eyes, hair and skin.

Melanin darkens the skin and acts as a barrier to the sun.It is an effective absorbent of light and able to absorbed 99.9% UV radiation.

Which pollutant is present in Cigarette smoke?

A)

NO2


B)

Hb


C)

CO


D)

All of these



Correct Answer :

CO


Explanation :

Cigarette smoke contains thousands of chemical compounds. Some of the chemicals found in tobacco smoke include-

Nicotine
Hydrogen cyanide
Formaldehyde
Lead
Arsenic
Ammonia
Benzene
Carbon monoxide
Tar

Smallpox, cholera, tuberculosis(TB) and dysentery diseases are caused by?

A)

Air pollution


B)

Soil Pollution


C)

Water pollution


D)

Noise pollution



Correct Answer :

Water pollution

Vacuum cleaner was invented by ?

A)

William Cooke


B)

Hubert Cecil Booth


C)

Baltzar Von Platen


D)

Carl Munters



Correct Answer :

Hubert Cecil Booth


Explanation :

Hubert Cecil Booth (1871 - 1955) was a British engineer who and inventor of the first powered vacuum cleaner.

Study of 'Old age and Aging' is known as ?

A)

Oncology


B)

Gerontology


C)

Teratology


D)

Recrology



Correct Answer :

Gerontology


Explanation :

Gerontology is the study of aging and older adults. It includes, the study of physical, mental, and social changes in older people as they age.

Nitrous Oxide is popularly known as?

A)

Tear gas


B)

Cleanser gas


C)

Laughing gas


D)

Deoxidiser gas



Correct Answer :

Laughing gas


Explanation :

Nitrous oxide(N2O), also called dinitrogen monoxide, laughing gas, or nitrous, is a chemical compound with the formula N2O. At room temperature, it is a colorless, odorless non-flammable gas with a slightly sweet taste. It is used in surgery and dentistry for its anaesthetic and analgesic effects.

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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 : ........?