Q. What is the common characteristic of the chemical substances generally known as CL-20, HMX and LLM-105, which are sometimes talked about in media?

(a) These are alternatives to hydro-fluorocarbon refrigerants (b) These are explosives in military weapons (c) These are high-energy fuels for...

Q. Consider the following substances:

I. Ethanol II. Nitroglycerine III. Urea Coal gasification technology can be used in the production of how many of them? ...

Q. Consider the following:

I. Cigarette butts II. Eyeglass lenses III. Car tyres How many of them contain plastic? (a) Only one (b) Only...

Q. In the context of electric vehicle batteries, consider the following elements:

I. Cobalt II. Graphite III. Lithium IV. Nickel How many of the above usually make up battery cathodes? (a) Only...

Q. With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements:

I. All types of UAVs can do vertical landing. II. All types of UAVs can do automated hovering. III. All...

Q. Consider the following types of vehicles:

I. Full battery electric vehicles II. Hydrogen fuel cell vehicles III. Fuel cell-electric hybrid vehicles How many of the above...

With reference to solar water pumps, consider the following statements:

1. Solar power can be used for running surface pumps and not for submersible pumps. 2. Solar power can be...

In India, why are some nuclear reactors kept under “ IAEA Safeguards” while others are not?

(a) Some use uranium and others use thorium (b) Some use imported uranium and others use domestic supplies. (c) Some...

Which of the following statements are correct regarding the general difference between plant and animal cells?

1. Plant cells have cellulose cell walls whilst animal cells do not. 2. Plant cells do not have plasma membranes,...

In India, the term “Public Key Infrastructure” is used in the context of:

(a) Digital security infrastructure (b) Food security infrastructure (c) Health care and education infrastructure (d) Telecommunication and transportation infrastructure Ans:...

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