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Asked/Added Questions From NCERT:



Question 2. Asked on :03 September 2019:05:35:38 PM

 what is Vacuole?

-Added by Shivang Gupta Science » Science Questions

Answer:

Harshita Rathore
The black looking structure found in the cytoplasm are called vaculoes. 

-Answered by Harshita Rathore On 03 September 2019:06:56:55 PM


Question 3. Asked on :03 September 2019:05:28:01 PM

 What is organ?

-Added by Shivang Gupta Science » Science Questions

Answer:

Akki chauhan

An organ is a tissue performing a specific function.

-Answered by Akki chauhan On 03 September 2019:08:48:48 PM


Question 4. Asked on :03 September 2019:05:12:03 PM

 Write three properties of sandy soil? 

-Added by Suman Kumari Science » Science Questions

Answer:

Akki chauhan

1)  sandy soil tend to be light

 2)  It is well a rated.

  3)  it is rather dry.

-Answered by Akki chauhan On 03 September 2019:08:49:39 PM


Question 5. Asked on :03 September 2019:05:09:07 PM

 What is rumen?

-Added by Suman Kumari Science » Science Questions

Answer:

Akki chauhan
the first stomach of a ruminant, which receives food or cud from the oesophagus, partly digests it with the aid of bacteria, and passes it to the reticulum.

-Answered by Akki chauhan On 03 September 2019:08:50:40 PM


Question 6. Asked on :03 September 2019:03:21:23 PM

 When and where was the first well     drilled in India?

-Added by Shivang Gupta Science » Science Questions

Answer:

Nishant Verma
Crude oil was discovered here in late 19th century. Digboi is known as the Oil City of Assam where thefirst oil well in Asia was drilled. The first refinery was started here as early as 1901. Digboi has the oldest oilwell in operation.
State: Assam
Time zone: UTC+5:30 (IST)

-Answered by Nishant Verma On 03 September 2019:03:23:22 PM


Question 7. Asked on :03 September 2019:03:19:21 PM

 Name the pure form of carbon?

-Added by Shivang Gupta Science » Science Questions

Answer:

Master Purushottam
 coke is pyre form of carbon.

-Answered by Master Purushottam On 06 September 2019:07:01:40 PM


Question 8. Asked on :03 September 2019:03:15:29 PM

 Name the gas produce during destructive distillation of coal?

-Added by Shivang Gupta Science » Science Questions

Answer:

Akki chauhan
Coal gas.

-Answered by Akki chauhan On 04 September 2019:10:48:35 AM


Question 9. Asked on :02 September 2019:06:15:22 PM

 why oxygen is important?


-Added by Shruti Srivastva Science » Science Questions

Answer:

Master Purushottam
To take Breathe.

-Answered by Master Purushottam On 03 September 2019:03:07:01 PM


Question 10. Asked on :02 September 2019:03:56:55 PM

 Write the types of contact force?

-Added by Shruti Srivastva Science » Science Questions

Answer:

Shruti Srivastva

 Muscular force.

Frictional force.

-Answered by Shruti Srivastva On 02 September 2019:03:57:27 PM


Question 11. Asked on :02 September 2019:03:54:32 PM

 Q Explain the formation of coke?

-Added by Shruti Srivastva Science » Science Questions

Answer:

Akki chauhan
Coke is a grey, hard, and porous fuel with a high carbon content and few impurities, made by heating coal or oil in the absence of air — a destructive distillation process. ...Coke may also be formed naturally by geologic processes.

-Answered by Akki chauhan On 02 September 2019:08:31:46 PM


Question 12. Asked on :02 September 2019:03:53:32 PM

 Q Explain the formation of petroleum?

-Added by Shruti Srivastva Science » Science Questions

Answer:

Akki chauhan

 A fossil fuel, petroleum is formed when large quantities of dead organisms, mostly zooplankton and algae, are buried underneath sedimentary rock and subjected to both intense heat and pressure.

-Answered by Akki chauhan On 02 September 2019:08:32:51 PM


Question 13. Asked on :02 September 2019:03:41:48 PM

 Q Define rolling friction?

-Added by Shruti Srivastva Science » Science Questions

Answer:

Akki chauhan

 Rolling friction is the force resisting the motion of arolling ball or wheel (a curved surface). This type offriction is typically a combination of several frictionforces at the point of contact between the wheel and the ground or other surface.

-Answered by Akki chauhan On 02 September 2019:08:37:06 PM


Question 14. Asked on :01 September 2019:04:15:41 PM

 Doctor reported iron deficiencey in my body. where is my body?

-Added by Shivang Gupta Science » Science Questions

Answer:

Harshita Rathore
In our red blood corpuscles.

-Answered by Harshita Rathore On 02 September 2019:01:58:22 PM


Question 15. Asked on :01 September 2019:04:10:16 PM

 what is the full form of PCRA?

-Added by Shivang Gupta Science » Science Questions

Answer:

Nishant Verma
 Petroleum conservation resarch assosiatin

-Answered by Nishant Verma On 02 September 2019:11:12:24 AM


Question 16. Asked on :01 September 2019:04:08:22 PM

 Name the pure form of carbon ?

-Added by Shivang Gupta Science » Science Questions

Answer:

Harshita Rathore
Coke.

-Answered by Harshita Rathore On 02 September 2019:02:00:38 PM


Question 17. Asked on :01 September 2019:04:04:02 PM

 Name the black residue left behind in the glass tubes during destrutives distillation of coal? 

-Added by Shivang Gupta Science » Science Questions

Answer:

Harshita Rathore
 It is coke.

-Answered by Harshita Rathore On 02 September 2019:02:00:59 PM


Question 18. Asked on :01 September 2019:04:01:11 PM

 what happen if sodium react with water?

-Added by Shivang Gupta Science » Science Questions

Answer:

Nishant Verma
 hydrogen gas .

-Answered by Nishant Verma On 02 September 2019:11:14:12 AM


Question 19. Asked on :01 September 2019:03:57:02 PM

 If the red litmus placed in a solution turn blue , the solution is called ______   Hydroxides?

-Added by Shivang Gupta Science » Science Questions

Answer:

Harshita Rathore
When red litmus paper comes into contact with any alkaline substance, it turns blue. Some examples of alkaline substances are ammonia gas, milk of magnesia, baking soda and limewater.

-Answered by Harshita Rathore On 02 September 2019:02:01:50 PM


Question 20. Asked on :01 September 2019:03:42:32 PM

 Give some example of non-metal?

-Added by Shivang Gupta Science » Science Questions

Answer:

Nishant Verma
Oxygen,carbon ,etc.

-Answered by Nishant Verma On 02 September 2019:11:38:19 AM


Question 21. Asked on :01 September 2019:03:40:25 PM

 Name some metal?

-Added by Shivang Gupta Science » Science Questions

Answer:

Nishant Verma
Iron, Copper, Gold, etc.

-Answered by Nishant Verma On 02 September 2019:11:40:04 AM


Question 22. Asked on :01 September 2019:03:33:27 PM

Do non-metal produce ringing sound?

-Added by Shivang Gupta Science » Science Questions

Answer:

Nishant Verma
 No, non metal do not produce the ringing sound .

-Answered by Nishant Verma On 02 September 2019:11:40:34 AM


Question 23. Asked on :01 September 2019:03:30:06 PM

 Name the carrier of diseases caused microbes?

-Added by Shivang Gupta Science » Science Questions

Answer:

Nishant Verma
 Housefly

-Answered by Nishant Verma On 02 September 2019:11:40:52 AM


Question 24. Asked on :01 September 2019:03:24:54 PM

 Who discovered the vaccine for small pox?

-Added by Shivang Gupta Science » Science Questions

Answer:

Nishant Verma
Edwered jenner.

-Answered by Nishant Verma On 02 September 2019:11:41:42 AM


Question 25. Asked on :01 September 2019:03:04:00 PM

 What are commercial use of yest?

-Added by Shivang Gupta Science » Science Questions

Answer:

Nishant Verma
for production of Alcohol.

-Answered by Nishant Verma On 02 September 2019:11:43:18 AM


Question 26. Asked on :27 August 2019:05:57:40 PM

 Why carbon dioxide is known as dry ice ?

-Added by Khushi Chauhan Science » Science Questions

Answer:

Harshita Rathore
 Solid Carbon dioxide is called dry ice because it resembles icebut carbon dioxide does not exist in liquid form, it sublimes straight from a solid to a gas. Hence "Dry Ice". It sublimes at –78°C becoming an extremely cold gas. It is often used in theatres or nightclubs to produce clouds, it looks a bit like smoke.

-Answered by Harshita Rathore On 27 August 2019:07:12:16 PM


Question 27. Asked on :24 August 2019:02:43:15 PM

 what is cash crop (commercial crops)?

-Added by Harshita Rathore Home Science » Science Questions

Answer:

Akki chauhan

 Grown only for market, in small portion of product is consumed by product the farmers themselves.

-Answered by Akki chauhan On 24 August 2019:03:38:53 PM


Question 28. Asked on :19 July 2019:05:40:43 PM

Who was the first woman cabinet Minister of India?

-Added by Nishant Verma Science » Science Questions

Answer:

Himanshi Verma

 Rajkumari Amrit Kaur was the first women cabinet minister of India.

-Answered by Himanshi Verma On 19 July 2019:07:18:24 PM


Question 29. Asked on :19 July 2019:05:35:14 PM

What is chemical formula of calcium sulphate dihydrate ?


-Added by Nishant Verma Science » Science Questions

Answer:

Himanshi Verma

 The chemical formula of calcium sulphate dihydrate is CaSo4 .2H2O.

-Answered by Himanshi Verma On 19 July 2019:07:21:19 PM


Question 30. Asked on :19 July 2019:05:29:55 PM

 What do you understand by petrochemicals ?

-Added by Nishant Verma Science » Science Questions

Answer:

Himanshi Verma
All the synthetic fibres are prepared by a number of processes using raw materials of petroleum origin, called petrochemicals.

-Answered by Himanshi Verma On 19 July 2019:07:23:29 PM


Question 31. Asked on :12 July 2019:06:29:06 PM

q. what are exhaustible and Inexhaustible natural Resources example ?

 

-Added by Nishant Nishant Science » Science Questions

Answer:

nikhil rajput

 Ans. Exhaustible natural resources include; plants, animals, natural gas, minerals (gold, diamond, bauxite etc.) Inexhaustible natural resources include; wind, sun etc.

-Answered by nikhil rajput On 17 July 2019:05:40:54 PM


Question 32. Asked on :13 April 2019:03:32:32 PM

what is microorganism


 

-Added by Sohail alam Science » Science Questions

Answer:

priyanshu kumar

 A microscopic organism, especially a bacterium, virus, or fungus.

-Answered by priyanshu kumar On 17 April 2019:08:59:14 AM


 

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