Ans : Monometer
Ans : We carry out everyday calculations, using the decimal system, with the numbers 1 to 9 and zero. The binary system uses only two numbers 0 and 1. An electric current can be switched on and off using off for 0 and on for 1. Any number can be represented in the binary system.
Ans : Salinometer
Ans : Phenol
Ans : Yuri Gagarin.
Ans : 120 days.
Ans : Viruses
Ans : To prevent infection.
Ans : During solar eclipse, the ultraviolet rays are in such high proportion in sunrays, that they can cause irrepairable damage to the eye.
Ans : It enters the cavity of the right auricle through two veins - one called the superior vena cava enters from the head region and die other called the inferior vena cava enters from the lower or posterior region of the body.
Ans : Ecology is the study of plants and animals in relationship to their environment. Everything that affects plants and animals and how they are dependent upon their surroundings is the subject matter of the study of ecology.
Ans : Hydrochloric Acid
Ans : Bees communicate the source of nectar to others by the pattern of the dance they perform.
Ans : Benjamin Franklin
Ans : Seismograph
Ans : Banyan trees seem to live for hundreds of years. Aerial roots develop from its branches and they take root in the soil. Over the years these roots turn into sturdy trunks, which too grow roots and the cycle continues. It is said that the entire army of Alexander had taken shelter under one such banyan tree.
Ans : KarlBenz.
Ans : Positively charged protons, negatively charged electrons and neutrons, which have no charge.
Ans : Iron and Carbon.
Ans : a. An anode b. A Cathode c. An electrolyte in which the anode and cathode are placed.
Ans : Trichloromethane
Ans : The lower jaw.
Ans : Rakesh Sharma
Ans : Acoustics
Ans : Pancreas.
Ans : Any of the three species of Fish, commonly referred to as four eyed fish. An anableps has the ability to see above and below the water at the same time.
Ans : Mercury
Ans : It has heat sensory cells in the pits between the eye and the nostril, which detect warm-blooded animals.
Ans : Anders John Angstrom
Ans : Mumbai
Ans : An alloy of copper and tin.
Ans : Sir Isaac Newton
Ans : To hold onto a surface.
Ans : They are combined skeletons of tiny marine animals, which live together in a colony.
Ans : Chronobiology
Ans : Chromosomes are tiny thread-like parts of a cell. These can be seen under a microscope. They are made up of smaller parts called genes. These chromosomes and genes decide heredity.
Ans : Solid Carbon Dioxide.
Ans : There have been several periods of time when much of the earth's surface became covered with ice. These different periods of time make up the glacial ages.
Ans : Jupiter's weapon.
Ans : There are proteins in the body of fireflies that produce light, when they get oxidized in the presence of the enzyme, Luciferase.
Ans : Mainly Amylase, which converts starches anc glycogen into the sugar maltose. Apart from saliva amylases are found in pancreatic juices and intestinal juices too.
Ans : Indian Space Research Organisation
Ans : Sound waves need a medium in which they can travel. The atmosphere on the moon is negligible. Hence your voice cannot travel any distance.
Ans : Forces acting on bodies at rest
Ans : Rajahmundry
Ans : Cataract is a disease affecting the lens of the eye. The lens consists of a semi-solid substance, enclosed in a capsule. Cataract is a condition in which the lens loses its transparency and tends to become opaque.
Ans : It has a tightly fitting cap of cork or such material, which is a poor conductor of heat. The bottle has a double layer of glass. Glass too is a poor conductor. There is vacuum between the layers of glass to prevent loss of heat by convection and conduction. If the surfaces are made highly reflective, even radiation can be reduced.
Ans : Man and monkey (apes). It is commonly believed that bulls react violently when they see a red rag. Bulls just cannot see any colour. They react to the teasing movement of the rag.
Ans : William Perkin.
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