It is possible to produce algae based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry?

1. Production of algae based biofuels is possible in seas only and not on continents.

2. Setting up and engineering the algae based biofuel production requires high level of expertise/technology until the construction is completed.

3. Economically viable production necessitates the setting up of large scale facilities which may raise ecological and social concerns.

Select the correct answer using the code given below:

Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences?

1. Pollination of some plants could be adversely affected.

2. There could be a drastic increase in the fungal infections of some cultivated plants.

3. It could lead to a fall in the population of some species of wasps, spiders and birds.

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With reference to the 'Prohibition of Benami Property Transactions Act, 1988 (PBPT Act)', consider the following statements:

1. A property transaction is not treated as a benami transaction if the owner of the property is not aware of the transaction.

2. Properties held benami are liable for confiscation by the Government.

3. The Act provides for three authorities for investigations but does not provide for any appellate mechanism.

Which of the statements given above is/are correct?

At one of the places in India, if you stand on the seashore and watch the sea, you will find that the sea water recedes from the shore line a few kilometres and comes back to the shore, twice a day, and you can actually walk on the sea floor when the water recedes. This unique phenomenon is seen at

The term 'Digital Single Market Strategy' seen in the news refers to

Consider the following statements:

With reference to the Constitution of India, the Directive Principles of State Policy constitute limitations upon

1. legislative function.

2. executive function.

Which of the above statements is/are correct?