[Mission 2023] Current Affairs Quiz , 27 January 2023

Solution: a)

In the forex market, the supply of rupees is determined by the demand for imports and various foreign assets. So, if there is high demand to import oil, it can lead to an increase in the supply of rupees in the forex market and cause the rupee’s value to drop. The demand for rupees in the forex market, on the other hand, depends on foreign demand for Indian exports and other domestic assets. So, for instance, when there is great enthusiasm among foreign investors to invest in India, it can lead to an increase in the supply of dollars in the forex market which in turn causes the rupee’s value to rise against the dollar.

Appreciation Vs Depreciation:

• In a floating exchange rate system, market forces (based on demand and supply of a currency) determine the value of a currency.
• Currency Appreciation: It is an increase in the value of one currency in relation to another currency.
• Currencies appreciate against each other for a variety of reasons, including government policy, interest rates, trade balances and business cycles.
• Currency appreciation discourages a country’s export activity as its products and services become costlier to buy.

Solution: a)

A bacteriophage is a type of virus that infects bacteria. In fact, the word “bacteriophage” literally means “bacteria eater,” because bacteriophages destroy their host cells. All bacteriophages are composed of a nucleic acid molecule that is surrounded by a protein structure. In other words, they are comprised of a protein capsule around an RNA or DNA genome.

Solution: d)

Exposure to POPs can lead to cancer, damage to central & peripheral nervous systems, diseases of immune system, reproductive disorders and interference with normal infant and child development.

Uniqueness of POPs:

• POPs are lipophilic, which means that they accumulate in the fatty tissue of living animals and human beings.
• In fatty tissue, the concentrations can become magnified by up to 70 000 times higher than the background levels.

As you move up the food chain, concentrations of POPs tend to increase so that animals at the top of the food chain such as fish, predatory birds, mammals, and humans tend to have the greatest concentrations of these chemicals.

Solution: a)

Fossil fuels generally are the products of the carbonisation of vegetable matter. The term carbonisation is also applied to the pyrolysis of coal to produce coke. Carbonisation is also a stage in the charcoal making process, and is considered the most important step of all since it has such power to influence the whole process from the growing tree to the final distribution of charcoal to various sources. The gas produced by carbonisation has a high content of carbon monoxide which is poisonous when breathed.

Solution: d)