CAPF (AC) 2021 (Paper-1) (Question 101-125)

• Electric Current (l): Electric current is defined as the rate of flow of electric charge. It is measured in Amperes (A). One Ampere is equivalent to one Coulomb per second (C/s).
• Electric Charge (Q): Electric charge is a fundamental property of matter. It is measured in Coulombs (C). The amount of charge that flows is what we need to find.
• Time (t): Time is the duration for which the charge flows. It is measured in seconds (s).

The relationship between these quantities is given by the formula:
Q=Ixt
Where:

• Qisthe electric charge in Coulombs (C)
• I is the electric current in Amperes (A)
• t is the time in seconds (s)

Nuclear energy is usually considered another non-renewable energy source. ... The material most often used in nuclear power plants is the element uranium. Although uranium is found in rocks all over the world, nuclear power plants usually use a very rare type of uranium, U-235. Uranium is a non-renewable resource.

• Renewable energy is energy that is generated from naturally replenished resources.
• This includes solar energy, geothermal heat, wind, tides, water, and various biomass types. This energy is never depleted and is constantly replenished.
• They are a viable source of clean, limitless energy that emits less pollution and is readily available locally. When compared to non-renewable energy, the use of renewable energy significantly reduces all types of pollution.
• The majority of renewable energy sources are low-polluting and considered clean. However, despite being a renewable resource, biomass is a major source of indoor pollution.

Chlorophyll is mainly present in the thylakoids of the chloroplast. It helps to absorb light and transfer that light energy by resonance energy transfer to a specific chlorophyll pair in the reaction center of the photosystems. This sunlight absorbed helps in the process of photosynthesis.

Chlorophyll's job in a plant is to absorb light-usually sunlight. The energy absorbed from light is transferred to two kinds of energy-storing molecules. Through photosynthesis, the plant uses the stored energy to convert carbon dioxide (absorbed from the air) and water into glucose, a type of sugar.

Plants use glucose together with nutrients taken from the soil to make new leaves and other plant parts. The process of photosynthesis produces oxygen, which is released-by the plant into the air.

All life forms consisting of a single cell where all complicated processes including respiration, digestion, excretion and reproduction successfully occur are examples of unicellular organisms.

Most such organisms are microscopic, for apparent reasons. All bacteria, flagellates and other microorganisms are single-celled.

A notochord is a flexible and supportive structure found in certain chordate animals. It serves as a precursor to the spine and is present during the embryonic stage.

Holothuria move by the tube feet or podia. The mechanism of movement is the same as that in Echinus and Asterias. Holothuria does not possess notochord throughout its life stages.