901. Earthworms have no eyes. 902. The study of X-rays and their medical applications is called radiology. 903. The M.K.S. system was first introduced by Giorgi. 904. Dermatology is the medical branch that deals with the study of skin, its functions, diseases, & treatment. 905. Sodium stearate is a component of soap. 906. Non-stick cooking […]
801. The half-life of a radioactive element is 8 days. It takes 8 days to reduce it from 10 mg to 5 mg. 802. The phenomenon of Aurora Borealis, the display of red and green lights in the northern hemisphere, is due to radiations from the ionosphere. 803. The echo will be distinctly heard only
701. Phobos is the natural satellite of Mars. 702. Vitamin C is generally excreted by humans in urine. 703. Rocks formed out of layers of sediment bonded together are known as sedimentary rocks. 704. Vitamin A is found in green vegetables. 705. Platypus is a mammal. 706. Earth is closest to the sun every year
601. Coke is made by heating coal in the absence of air at a high temperature. 602. The amount of energy in wheat is approximately 348 K Calories per 100 grams. 603. Muscles, tissues, and blood are made up of proteins. 604. Solitary bees can have just two teeth. The bumblebee has a total of
501. The contraction and expansion movement of the walls of the food pipe after entering the slightly digested food is known as Peristaltic movement. 502. A strong-smelling agent added to LPG cylinders to detect leakage is Ethyl Mercaptan. 503. The planet that is called the “red planet” is Mars. 504. The part of the brain
401. For proper formation of teeth, Fluorine is essential. 402. The gas commonly known as “laughing gas” is Nitrous Oxide. 403. About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is Silicon. 404. Bronze medal is made up of metals Copper and Tin. 405. A light year is a unit
301. Particle clouds from where stars are formed are known as Stellar nurseries. 302. The SI standard of time is based on the frequency of light emitted by Kr86. 303. All of the following substances are crystalline except Plastic. 304. In the electromagnetic spectrum, infrared light has the largest wavelength. 305. The quantity of fresh
201. Caries is a condition related to teeth, and a dentist should be consulted. 202. In eye donation, the cornea of the eye is used. 203. Neptune has 13 moons. 204. The rarest blood type in humans is AB-. 205. The lowest region of the earth’s atmosphere comes between the earth and the stratosphere, and
101. Dinosaurs and many other species were extinct about 66 million years ago. 102. ATP (Adenosine Triphosphate) is a currency of body cells. 103. James Watt invented the steamboat. 104. Vitamin “A” is also known as retinol. 105. Charles’ Law states that the volume of a given amount of gas held at constant pressure is
1. The outermost planet in the solar system is Neptune. 2. The Sun is a star. 3. Graphite is NOT a conductor. 4. In very low temperatures, sea water will freeze last. 5. The easily visible planet from Earth is Venus. 6. Dry Ice is solid carbon dioxide. 7. Good sources of Vitamin-B Complex are
