Daily NEET MCQ- June 14, 2022 - NEET MCQ

Intensive properties are those which don’t depend on the amount of matter in the sample. For eg: temperature, pressure, density.

Extensive properties are those which depend on the amount of matter in the sample. For eg: Volume, Internal energy, mass.

The product contains one term which is extensive, or which depends on mass, so we can say that their product also depends on mass and is therefore extensive.

The mixture of carbon monoxide and nitrogen is known as producer gas and the mixture of carbon monoxide and hydrogen known as water gas. At 1273 K carbon combines with oxygen and nitrogen in order to form producer gas.

Carbon monoxide is a colourless, odourless and almost water-insoluble gas. It is a powerful reducing agent. It is also used in the extraction of many metals from their oxide ores like ferrous oxide and zinc oxide.

Carborundum is the second hardest material known and has a formula of silicon carbide that is SiC. It is used as a semiconductor at high-temperature and also in transistor diode rectifiers. Diamond is the first hardest material known.

Various internal and external factors affect the rate of photosynthesis, which in turn affects the overall productivity and yield of the plant. Size, age and number are internal factors while water is an external factor.

The genetic predisposition or the genetic make up of a plant is an internal factor that affects the rate of photosynthesis. The arrangement of genes present in the plant is expressed in a certain way in different plants.

Various internal and external factors affect the rate of photosynthesis, which in turn affects the overall productivity and yield of the plant. Sunlight, temperature and CO₂ concentration are external factors.

Blackman gave the Law of Limiting Factors in 1905. It states that if multiple factors affect a process, then the rate of the process is determined by the factor which is the closest to its minimal value.