Daily NEET MCQ- August 25, 2022 - NEET MCQ

That composition of earth’s atmospheric gases is as follows; 78.09 percent of Nitrogen, 24.95 percent of oxygen, 0.93 percent of argon, 0.04 percentage of carbon dioxide and a small amount of water vapor and other gases in the atmosphere.

Boyle’s law is about the relationship between pressure and volume while Charles law about temperature and volume. Gay lussac’s law is about pressure-temperature relationship & hooks law is a law that is in Physics relating to stress.

Mercury is not a gas, it is a liquid in room temperature and it is a metal. There are 11 gases which are gases at room temperature they are hydrogen, Nitrogen, Oxygen, fluorine, chlorine, Helium, Neon, Argon, Krypton, Xenon, and Radon.

When the rocket is in the orbit with the thrusters on, there is a tangential force that the rocket experiences. This force will result in increasing the tangential velocity. Since the angular velocity is directly proportional to the tangential velocity, the angular velocity will also increase.

The tangential velocity is given as v = ωr. At t = 2s, r = 16 units. The angular velocity is 7 rad/s. Hence, the tangential velocity, v = 7 x 16 = 112 units/s.

The centripetal acceleration is given as a_c = rω². Here, we have r = 5t² + 7 = 27 units at t = 2s. Angular velocity is 2 rad/s. On substituting all the values, we get, the acceleration as 108 units/s².

Amides contain more nitrogen than amino acids. They are transported to other parts of the plant through xylem vessels. Phloem tissue has no function in relation to translocation of amides.

Transaminase is the enzyme which catalyses the process of transamination. Nitrogenase is responsible for nitrogen fixation. Glutamate dehydrogenase has role in the process of reductive amination. Lipase is a linking enzyme and has no role to play in nitrogen metabolism.

Frankia is a microbe that is capable of fixing nitrogen in non-leguminous plants such as Alnus. It also produces nodules in the roots of plant. It can freely live in soil but fixes nitrogen as a symbiont. Bacillus is a free living anaerobic nitrogen fixer. Beijernickia is an aerobic nitrogen fixer. Anabaena is a microbe among the cyanobacteria that is capable of nitrogen fixation.

Diatoms are grouped under Chrysophytes. Chrysophytes comprise of golden algae, diatoms and plant like protists etc. It’s because of the golden-yellow color of the species they are named as Chrysophytes.