Prelims Power Play 28 July 2024

1. Consider the following statements regarding “Oil Spills in oceans”:

1. It limits the sunlight penetration
2. It reduces the level of biological oxygen demand (BOD).
3. It affects the insulating ability of fur-bearing mammals in the ocean/seas.

Which of the statements given above is/are correct? Select the correct answer using the code given below:

2. Papilionidae, Pieridae, Nymphalidae, Lycaenidae, and Hespiriidae are

3. 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.

Select the correct answer using the code given below:

4. Consider the following

1. Fatah is in power in Gaza, while Hamas heads the Palestinian Authority which governs some parts of the West Bank.
2. Most of the West Bank is under Israeli control.

Which of the above statements correct?

5. Consider the following

1. No ploughing
2. No tilling of soil
3. No fertilizers
4. No weeding

How many of the above are important features of Natural farming?