General Science

View in English View in Hindi

What is the chemical name of vitamin B1?

A)

Retionol


B)

Riboflavin


C)

Thiamine


D)

Ascorbic acid



Correct Answer :

Thiamine


Explanation :

Thiamine, also known as thiamin and vitamin B1, is a vitamin, an essential micronutrient.
Vitamin B1 is a water-soluble and found naturally in some foods. Food sources of thiamine include whole grains, legumes, and some meats and fish.
It plays a vital role in the growth and function of various cells.

Post comment
Cancel
Thanks for your comment.!
Write a comment(Click here) ...
Guest
2020-06-06 17:19:20

विटामिन का नाम रासायनिक नाम (Chemical Name)
विटामिन A रेटिनॉल
विटामिन B1 थियामिन
विटामिन C एस्कॉर्बिक एसिड
विटामिन D एर्गोकलसिफ़ेरोल, कोलेलेक्लिफ़ेरोल
विटामिन B2 राइबोफ्लेविन
विटामिन E टोकोफेरोल्स, टोकोट्रिनोल
विटामिन B12 पियानो कोबालिन, सायनोकोबलामिन, हाइड्रोक्सोबोबलामिन, मिथाइलकोबालिन
विटामिन K फाइलोक्विनोन, मेनक्विनोन
विटामिन B5 पैंटोथेनिक एसिड
विटामिन B7 बायोटिन
विटामिन B6 पाइरिडोक्सिन, पाइरिडोक्सामाइन, पाइरिडोक्सल
विटामिन B3 नियासिन, नियासिनमाइड
विटामिन B9 फोलिक एसिड, फोलिनिक एसिड

View in English View in Hindi

What is the formula of Potash Alum?

A)
KAI(SO4)2

B)
KAI(H2O)2

C)
KAISO4

D)
None of these.


Correct Answer :

KAI(SO4)2


Explanation :

Potassium alum, potash alum, or potassium aluminium sulfate is a chemical compound: the double sulfate of potassium and aluminium, with chemical formula KAl(SO₄)₂.

It is commonly encountered as the dodecahydrate, KAl(SO₄)₂·12H₂O.

The fresh milk turns sour, what will be its pH , if it was 6 previously?/ताजा दूध के खट्टा होने पर, उसका पीएच क्या होगा, यदि पहले उसका पीएच 6 था ?

Less than 6/ 6 से कम
More than 6/ 6 से अिधक
Neutral (pH=7)/ तटस्थ ( (पीएच = 7)
No change in pH/ पीएच मे कोई परिवर्तन नहीं

Correct Answer :Less than 6/ 6 से कम

Which gas is the supporter of combustion?/ कौन सी गैस ज्वलन का समर्थक करती है?

Carbon dioxide/ कार्बन डाइऑक्साइड 
Chloride/ क्लोराइड
Methane/ मीथेन
None of these/ इनमे से कोई भी नहीं

Correct Answer :Methane/ मीथेन
 

The mass number of nucleus is:

A)
Always less than its atomic number

B)
The sum of the number of protons and neutrons present in the nucleus

C)
Always more than the atomic weight

D)
A fraction


Correct Answer :

The sum of the number of protons and neutrons present in the nucleus


Explanation :

The mass of nucleus of an atom is equal to its atomic mass=No. Of Protons + No. Of Neutrons

The mass of electrons is almost negligible, so the atomic mass doesn't show a major change on addition or removing of mass of electron.

Note:Nucleus of Hydrogen atom consists of just one proton, thus its Mass No. is 1 unit.

In the night vision apparatus which type of waves are used? / रात दृष्टि तंत्र मे किस प्रकार की तरंगों का इस्तेमाल होता है?

Ultraviolet rays/ पराबैंगनी किरणों
Infrared rays/ इन्फ्रारेड किरणों
X‐ rays/ एक्स-रे
Beta rays/ बीटा किरणों

Correct Answer :Infrared rays/ इन्फ्रारेड किरणों

A particle is moving freely. Then its?/ एक कण स्वतंत्र रूप से घूम रहा है। तब उसकी?

Kinetic energy is equal to potential energy./ गतिज ऊर्जा स्थितिज ऊर्जा के समान होती है।
Kinetic energy is less than zero./ गतिज ऊर्जा शून्य से कम होती है।
Kinetic energy is greater than zero./ गतिज ऊर्जा शून्य से अधिक होती है।
Kinetic energy is zero./ गतिज ऊर्जा शून्य होती है।

Correct Answer :Kinetic energy is greater than zero./ गतिज ऊर्जा शून्य से अधिक होती है।

Which are not fat soluble vitamins? / इनमे से कौन सा विटामिन वसा मे घुलनशील नहीं है?

A/ ए
D/ डी
K/ के
B/ बी

Correct Answer :B/ बी

Life span of red blood cells is?/ लाल रक्त कोशिकाओं का जीवनकाल कितना होता है?

90-100 days
100-120 days
70-90 days
120-180 days

Correct Answer :100-120 days

Small pieces of solid matter which are found scattered in the interplanetary space of the solar system are known as: / सौर प्रणाली के अंतर-ग्रहीय में इधर उधर फैले हुए ठोस पदार्थ के छोटे टुकड़े इनमें से किस नाम से जाने जाते हैं:

Asteroids/ क्षुद्रग्रहों
Meteoroids/ उल्कापिंड
Comet/ धूमकेतू
Satellites/ उपग्रह

Correct Answer :Meteoroids/ उल्कापिंड
 

Water is used to cool the engines of cars, buses, trucks, etc. It is because water has? / पानी का प्रयोग कारों, बसों, ट्रकों के इंजन को ठंडा करने के लिए प्रयोग किया जाता है ऐसा इसलिए किया जाता है क्योंकि पानी का

Low specific heat/ निम्न विशिष्टताप होता है
High specific heat/ उच्च विशिष्ट ताप होता है
Low viscosity/ निम्न श्यानता होती है
High viscosity/ उच्च श्यानता होती है

Correct Answer :High specific heat/ उच्च विशिष्ट ताप होता है

Which instrument is used to measure speed of the vehicle? / वाहन की गति की माप करने के लिए किस उपकरण का प्रयोग किया जाता है?

Stroboscope
Streoscope
Speedometer
Tachometre

Correct Answer :Speedometer/स्पीडोमीटर

Which of the following below are the Alloys of solder? / निम्नलिखित में क्या सोल्डर का मिश्र धातु है?

Tin and lead/ टिन तथा लैड
Iron and nickel/ लौह और निकल
Copper and zinc/ कॉपर और जिंक 
Copper and tin/ कॉपर और टिन

Correct Answer :Tin and lead/ टिन तथा लैड

To manufacture vanaspati from vegetable oil which gas is used?

Hydrogen
Oxygen
Nitrogen
Carbon dioxide

Correct Answer :Hydrogen

Which is the best food source for sodium?/ सोडियम के लिए सबसे अच्छा भोजन स्रोत क्या है?

Salt/ नमक
Cereals/ अनाज
Pulses/ दलहन
Vegetables/ सब्जियां 

Correct Answer :Salt / नमक

Optical fiber works on the principle of? / ऑप्टिकल फाइबर किस के सिद्धांत के आधार पर काम करती है ?

Refraction of light/ प्रकाश का अपवर्तन
Reflection of light/ प्रकाश का परावर्तन
Total internal reflection of light/ प्रकाश का पूर्ण आंतरिक परावर्तन
Prism / प्रिज्म

Correct Answer :Total internal reflection of light/ प्रकाश का पूर्ण आंतरिक परावर्तन

An apparatus used for charging air with petrol vapours in an internal combustion engine is called?

Carburettor
Callipers
Chronomete
Electrometer


Correct Answer :Carburettor

Latest Updates

Pipes and Cistern

Two pipes A and B can fill a tank in 6 hours and 4 hours respectively. If they are opened on alternate hours and if pipe A s opened first, in how many hours, the tank shall be full?

A large tanker can be filled by two pipes A and B in 60 min and 40 min respectively. How many minutes will it take to fill the tanker from empty state if B is used for first half of the time, and A and B fill it together for the other half?

A tank is filled by 3 pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The 2nd pipe fills the tank 5 hours faster than first pipe and 4 hours slower than third pipe. The time required by first pipe is?

Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately?

Two pipes A and B can fill a tank in 24 min and 32 min respectively. If both the pipes are opened simultaneously, after how much time B should be closed so that the tank is full in 18 min?

Two pipes A and B can fill a tank in 36 min and 45 min respectively. A water pipe C can empty the tank in 30 min. First A and B are opened. after 7 min, C is also opened. In how much time, the tank is full?

Two pipes can fill a cistern in 14 hours and 16 hours respectively. The pipes are opened simultaneously and it is found that due to leakage in the bottom it took 32 min more to fill the cistern. When the cistern is full, in what time will the leak empty it?

Bucket P has thrice the capacity as Bucket Q. It takes 60 turns for Bucket P to fill the empty drum. How many turns it will take for both the buckets P and Q, having each turn together to fill the empty drum?

Probability

In a class , 30 % of the students offered English, 20 % offered Hindi and 10 % offered Both.If a student is offered at random, what is the probability that he has offered English or Hindi?

In a lottery ,there are 10 prizes and 25 blanks.A lottery is drawn at random. what is the probability of getting a prize ?

Two dice are thrown simultaneously .what is the probability of getting two numbers whose product is even?

Two diced are tossed the probability that the total score is a prime number?

Two cards are drawn at random from a pack of 52 cards What is the probability that either both are black or both are queens?

Two dice are thrown together .What is the probability that the sum of the number on the two faces is divisible by 4 or 6?

A bag contains 6 white and 4 black balls .Two balls are drawn at random .Find the probability that they are of the same colour?

In a simultaneous throw of a pair of dice,find the probability of getting a total more than 7?

An unbiased die is tossed.Find the probability of getting a multiple of 3?

Problems on Ages

My brother is 3 years elder to me. My father was 28 years of age when my sister was born while my mother was 26 years of age when i was born. If my sister was 4 years of age when my brother was born,then what was the age my father and mother respectively when my brother was born?

Latest Job Notifications

Banking Jobs

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

Railway Recruitment

उत्तर मध्य रेलवे भर्ती प्रकोष्ठ Railway Recruitment Cell(NCR) - 1659 पद - 01/08/2022 अंतिम तिथि

Jobs in West Bengal

इंडियन पोस्ट सर्विस Indian Post Service - 2357 पद - 19/08/2021 अंतिम तिथि - पश्चिम बंगाल पोस्टल सर्कल

Banking Jobs

भारतीय स्टेट बैंक State Bank of India(SBI) - 6100 पद - 26/07/2021 अंतिम तिथि - CRPD/APPR/2021-22/10

SSC Recruitment

कर्मचारी चयन आयोग Staff Selection Commission(SSC) - 25271 पद - 31/08/2021 अंतिम तिथि

Jobs in Madhya Pradesh

राष्ट्रीय स्वास्थ्य मिशन मध्य प्रदेश National Health Mission MP(NRHM) - 5215 पद - 22/06/2021 अंतिम तिथि

Jobs in Punjab

पंजाब स्टेट पावर कॉर्पोरेशन लिमिटेड Punjab State Power Corporation Limited (PSPCL) - 2632 पद - 20/06/2021 अंतिम तिथि

Jobs in Chhattisgarh

स्वास्थ्य सेवा निदेशालय, छत्तीसगढ़ Department of Health & Family Welfare, Chhattisgarh - 267 पद - 26/06/2021 अंतिम तिथि