Railway RRB 2016: General Awareness Test – Day 14

Explanation:
The best estimate for Earth’s age is based on radiometric dating of fragments from the Canyon Diablo iron meteorite.

Explanation:
Combining science, aesthetics, and technique, cartography builds on the premise that reality can be modeled in ways that communicate spatial information effectively.

Explanation:
Bilateral trade or clearing trade is trade exclusively between two countries particularly that deals between governments, and without using hard currency for payment.

Explanation:
It is highly concentrated ethanol which has been purified by means of repeated distillation, a process that is called rectification.

Explanation:
Pencils are made from wood, glue, metal, rubber, and a graphite compound, which is the pencil “lead.”

Explanation:
Chewing gum was made of a substance called chicle mixed with flavorings. Chicle is a latex sap that comes from the sapodilla tree.

Explanation:
The sperm whale has the heaviest brain: about 17.2 pounds (7.82 kilograms). Elephants do pretty well too: about 16.5 pounds for an African elephant. A human, on the average, has a measly 3.3-pound brain

Explanation:
A transformer consists of two electrically isolated coils and operates on Faraday’s principal of “mutual induction”

Explanation:
Sodium salts of fatty acids are known as hard soaps and potassium salts of fatty acids are known as soft soaps.

Explanation:
The human skeleton is the internal framework of the body. It is composed of 270 bones at birth – this total decreases to 206 bones by adulthood after some bones have fused together. The bone mass in the skeleton reaches maximum density around age 30.

Explanation:
Radon is used in radiotherapy for cancer treatment.
Someplaces even have “radon spas”, which is where people stay in a radon atmosphere; some people belive that small doses of radiation can boost their energy.

Explanation:
Cloves are the aromatic flower buds of a tree in the family Myrtaceae, Syzygium aromaticum. They are native to the Maluku Islands in Indonesia, and are commonly used as a spice.

Explanation:
Nishan-e-Pakistan is Pakistan’s highest civilian award like Bharat Ratna in India.
Desai was the only Indian national to be conferred with Nishan-e-Pakistan.
Nelson Mandela has also received both.

Explanation:
MICR stands for Magnetic Ink Character Recognition. It is a technology which allows machines to read and process cheques enabling thousands of cheque transactions in a short time. MICR code is usually a nine digit code

Explanation:
Rhodopsin is a biological pigment found in the rods of the retina and is a G-protein-coupled receptor (GPCR).
Retinene is the aldehyde form of the polyene retinol (vitamin A) that associates with the protein opsin to form the visual purple pigment rhodopsin

Explanation:
Progesterone is one of the hormones in our bodies that stimulates and regulates various functions. Progesterone plays a role in maintaining pregnancy. The hormone is produced in the ovaries, the placenta (when a woman gets pregnant) and the adrenal glands.

Explanation:
Good Governance Day is a day of national importance in India observed annually on the twenty-fifth day of December, the birth anniversary of former-PM Atal Bihari Vajpayee