Estrogen and Progesterone – Estrogen is the primary female sex hormone as well as a medication. It is responsible for the development and regulation of the female reproductive system and secondary sex characteristics.Progesterone is one of the hormones in our bodies that stimulates and regulates various functions.Progesterone plays a role in maintaining pregnancy.
Testosterone – Testosterone is the primary male sex hormone and an anabolic steroid. In male humans, testosterone plays a key role in the development of male reproductive tissues such as the testis and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.
Q3. For which of the following game, players must have the knowledge of Pascal’s law?
निम्नलिखित में से किस खेल में खिलाड़ियों के पास पास्कल के नियम का ज्ञान होना आवश्यक है?
Pascal’s rule is used to design water towers, but scuba divers must also understand this principle. At a depth of 10 meters under water, pressure is twice the atmospheric pressure at sea surface, and increases by about 100 kPa (about 1 atm) for each increase of 10 m depth
Q4. The right portion of human heart receives ______ blood.
मानव हृदय का दाहिना भाग________ रक्त प्राप्त कहलाता है |
Liver is the largest gland in human body. It is also the largest (internal) organ in our body and can weigh up to 1.5-1.6 kg for a human adult. That is, about 1/50th of the body weight is because of liver.
Q6. On which principle does the hydraulic lift works?
A hydraulic lift for automobiles is an example of a force multiplied by hydraulic press, based on Pascal’s principle. The fluid in the small cylinder must be moved much further than the distance the car is lifted.
The ranks of coal (from most to least carbon content) are as follows: anthracite, bituminous coal, subbituminous coal, and lignite. The coal with the highest carbon content is the best and cleanest type of coal to use.
Q10. In how many parts is the human brain divided?
Epinephrine, also known as adrenalin or adrenaline, is a hormone, neurotransmitter, and medication. Epinephrine is normally produced by both the adrenal glands and certain neurons. It plays an important role in the fight-or-flight response by increasing blood flow to muscles, output of the heart, pupil dilation, and blood sugar.
Q12. Supercooling is cooling of liquid _____.
अत्तिशीतलन (सुपर कूलिंग) किसी द्रव को _____ शीतल करना होता है|