General Science

View in English View in Hindi

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

Latest Updates

Indian Geography

What is the approximate distance between earth and the moon?

Indian History

In which year was the battle of ‘Koregaon Bhima’ fought?

The approach that is very useful in organizing the content in history is.

General Knowledge of India

NITI Aayog stands for _____.

General Knowledge of MP

India’s first Ramayan art museum was established at?

Errors Identification

Read the sentence carefully and choose the option that has an error in it:
The management’s trusted employee was suspected of stealing large sum of money.

Read the sentence carefully and choose the option that has an error in it:
The teacher asked the child to repeat again because he spoke feebly.

Fill in the blank

Fill in the blank with the most appropriate preposition in the given sentence.
Let’s sit _________ the shade of this beautiful tree.

Choose the most appropriate determiner for the given sentence.
________of what he said was very sensible.

Substitution

Choose the option that substitutes the given phrase appropriately.
A work of art made by carving

Correct sentence

Choose the option that best transforms the sentence into its Indirect form:
‘What country do you come from?’ said the police officer.

Alternative Phrase

Choose the option that best explains the highlighted expression:
All human beings have feet of clay.

Fill in the blank

Choose an appropriate modal for the given sentence:
My doctor said that I_____ stop smoking as one of my lungs got infected.

Choose the appropriate prepositions for the given sentence:
My parents have been married ________ forty-nine years, but you can still see the love ________ their eyes.

Choose the appropriate conjunction for the given sentence:
______ it rains, the college will declare the holiday.

Antonyms

Choose the appropriate antonym for the highlighted word in the given sentence.
The family protracted their visit by several days.

Tenses

Choose the appropriate tenses to fill in the blanks in the given sentence:
Please _________ a noise. Ritu __________ to sleep.

Synonyms

Choose the appropriate synonym for the highlighted word in the given sentence.
Does he really expect us to believe such a flimsy excuse?

Latest Job Notifications

Jobs in Bihar

बिहार तकनीकी सेवा आयोग / Bihar Technical Service Commission (BTSC) - 12771 पद - 01/09/2022 अंतिम तिथि

Jobs in Rajasthan

राजस्थान उच्च न्यायालय / Rajasthan High Court - 2756 पद - 22/09/2022 अंतिम तिथि

Jobs in Uttar Pradesh

उत्तर प्रदेश पावर कॉर्पोरेशन लिमिटेड / Uttar Pradesh Power Corporation Limited - 1033 पद - 12/09/2022 अंतिम तिथि

Jobs in Tamil Nadu

तमिलनाडु चिकित्सा सेवा भर्ती बोर्ड / Tamil Nadu Medical Services Recruitment Board (MRB) - 889 पद - 30/08/2022 अंतिम तिथि

Jobs in Andhra Pradesh

आंध्र प्रदेश स्वास्थ्य, चिकित्सा और परिवार कल्याण विभाग / Andhra Pradesh Health, Medical and Family Welfare Department - 1681 पद - 22/08/2022 अंतिम तिथि

SSC Recruitment

कर्मचारी चयन आयोग (एसएससी) Staff Selection Commission (SSC) - 4300 पद - 30/08/2022 अंतिम तिथि - CPO Recruitment

Banking Jobs

बैंकिंग कार्मिक चयन संस्थान Institute of Banking Personnel Selection(IBPS) - 6432 पद - 22/08/2022 अंतिम तिथि

बैंकिंग कार्मिक चयन संस्थान Institute of Banking Personnel Selection(IBPS) - 7855 पद - 29/07/2022 अंतिम तिथि

SSC Recruitment

कर्मचारी चयन आयोग (एसएससी) Staff Selection Commission (SSC) - 1411 पद - 29/07/2022 अंतिम तिथि

Jobs in Rajasthan

राजस्थान अधीनस्थ और मंत्रिस्तरीय सेवा चयन बोर्ड Rajasthan Subordinate and Ministerial Services Selection Board (RSMSSB) - 5546 पद - 22-Jul-2022 अंतिम तिथि