GATE Questions

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Environmental science is a field that integrates physical, biological and information sciences to the study of the environment, and the solution of environmental problems. This emerged from the fields of natural history and medicine during the Enlightenment.

In brief, it is a scientific study of the natural world and how it is influenced by people.

Given that x = 2+ 223 + 213

So x - 2 = 223 + 213

Now cubing on both sides, we get

=> x3-8-6x2+12x = 4 + 2 + 6(x-2)

Therefore, x3-6x2+6x = -6 + 8 = 2

Let the required number be 'p'

We know, sum of angles in a triangle are 180 deg

According to given data,

p - p/7 = 180

7p - p = 180 x 7

=> 6p = 1260

=> p = 1260/6 = 210

Fi circuit refers to Formula One, is the highest class of open-wheeled auto racing defined by FIA, motorsport's world governing body.

The Buddh International Circuit is an Indian motor racing circuit in Greater Noida, Uttar Pradesh was India's first F1 circuit.

Sr. No             Minister                         Portfolio

 1.           Shri Narendra Modi         Prime Minister and also in-charge of:

                                                           – Ministry of Personnel
                                                            – Public Grievances and Pensions
                                                            – Department of Atomic Energy
                                                            – Department of Space

  All important policy issues and all other portfolios not allocated to any Minister.

  2.           Shri Raj Nath Singh         Minister of Home Affairs

  3.           Smt. Sushma Swaraj       Minister of External Affairs

  4.           Shri Arun Jaitley            -  Minister of Finance

                                                    – Minister of Corporate Affair

 5.           Shri Nitin Jairam Gadkari   – Minister of Road Transport & Highway

                                                      – Minister of shipping 

                                                      – Minister of Water Resources, River Development & Ganga Rejuvenation

 6.           Suresh Prabhu                     Minister of Commerce & Industry

 7.           D.V Sadananda Gowda        Minister of Statistics & Programme Implementation

 8.           Sushri Uma Bharati             Minister of Drinking Water & Sanitation

 9.           Nirmala Sitharaman            Minister of Defence

 10.         Mukhtar Abbas Naqvi          Minister of Minority Affairs

 11.         Shri Ramvilas Paswan         Minister of Consumer Affairs, Food & Public Distribution

 12.         Maneka Sanjay Gandhi       Minister of Women & Child Development

 13.         Shri Ananth Kumar          – Minister of Chemicals & Fertilizers
                                                    – Ministry of Parliamentary Affairs

 14.         Shri. Ravi Shankar Prasad    – Minister of Law & Justice                                                                                                    – Minister of Electronics & Information Technology         

 15.         Shri Jagat Prakash Nadda      Minister of Health & Family Welfare

16.         Ashok Gajapathi Raju Pusapati     Minister of Civil Aviation

17.         Shri. Anant Geete                      Minister of Heavy Industries & Public Enterprises     

18.         Smt. Harsimrat Kaur Badal         Minister of Food Processing Industries

19.         Shri Narendra Singh Tomar         – Minister of Rural Development
                                                             – Minister of Panchayati Raj
                                                            – Minister of Drinking Water & Sanitation

20.         Shri Chaudhary Birender Singh      Minister of Steel

21.         Shri Jual Oram                              Minister of Tribal Affairs

22.         Shri Radha Mohan Singh                Minister of Agriculture & Farmers Welfare          

23.         Shri Thawar Chand Gehlot              Minister of Social Justice & Empowerment

24.         Smt. Smriti Irani                           – Minister of Textiles
                                                                – Minister of Information & Broadcasting            

25.         Dr Harsh Vardhan                         – Minister of Science & Technology
                                                                – Minister of Earth Sciences
                                                               – Minister of Environment, Forest & Climate Change

26.          Prakash Javadekar                        Human Resource Development

27.          Piyush Goyal                                 – Minister of Railways

                                                                – Minster of Coal

28.         Dharmendra Pradhan                     – Minister of Petroleum & Natural Gas

                                                               – Minister of Skill Development & Enterprise

Glycolysis is the chemical process that converts glucose C₆H₁₂O₆, into Pyruvate, CH₃COCOO− + H⁺.

• It represents the first stage in the chemical oxidation of glucose by a cell.

• The free energy released in this process is used to form the high-energy molecules ATP and NADH.

Given speed of the bike after servicing = 55 kmph

Time taken for travelling some distance at 55 kmph = 5 hrs

Then, 

Distance = Speed x Time = 55 x 5 = 275 kms.

Now, 

Speed of the bike before servicing = 35 kmph

Distance = 275 kms

Now, Time = Distance/Speed = 275/35 = 7.85 hrs =~ 8 hrs.

Tetraethyl lead is a highly toxic compound used as a gasoline additive.

Tetraethyl lead abbreviated as TEL, is an organo lead compound with the formula (CH₃CH₂)₄Pb. It is a petro-fuel additive which in turn caused increased vehicle performance. This is also used as an antiknock agent in gasoline and jet fuels. Tetraethyl lead is absorbed rapidly by the skin, the lungs, and the gastrointestinal tract. It is converted to triethyl lead, which might be responsible for its toxicity.