Answer: Testosterone is a hormone that is not secreted by the female body. Hormones are chemicals synthesized and produced by the specialized... View Article
Answer: 324 persons per sq. km is the population density in India in 2001. Population Distribution is the pattern in which people live across... View Article
Answer: The Anti Markovnikov rule works against Markovnikov rule and is called as peroxide effect or Kharasch effect. Anti-Markovnikov rule... View Article
Answer: Pure germanium is used to make transistors and semiconductor devices. Germanium, a chemical element places between silicon and tin... View Article
Answer: The value of the universal gas constant R depends on unit measurement. In physics, the gas constant is defined as the product of... View Article
Answer: Stomata are the specialized pores or openings present in the epidermis of plant cells, which play a crucial role in gaseous exchange... View Article
Answer: Tropic of Cancer runs almost halfway through India. Tropic of Cancer is an imaginary line which is at an angle of 23.50 degrees. It is... View Article
Answer: Isotopes are the atoms in which the number of neutrons differs and the number of protons is the same. From the above definition of... View Article
Answer: In the cavities of synovial joints synovial fluid is present. The most common type of joint is the synovial joint, which allows us... View Article
Answer: Acceleration is defined as the rate of change of velocity with respect to time. The rate of change of velocity with respect to time... View Article
Answer: When zinc oxide is heated with Carbon, it is reduced to metallic zinc. ZnO + C → Zn + CO Zinc is generally seen as part of larger... View Article
Answer: The outer metallic case of the appliance is earthed as it is used to prevent electrocution of people handling the device. Earthing is... View Article
Xylem parenchyma is associated with storage of food in xylem tissue. The role of xylem parenchyma in storage is often highlighted, with... View Article
Answer: Sodium is stored in kerosene as it is a highly reactive metal. If it is kept in the open air, it easily reacts with the oxygen and... View Article
Answer: Tin is stable to water at ambient temperature, but it reacts with water to form tin dioxide (SnO2)Â and hydrogen when heated with steam.... View Article
Answer: A Non-Biodegradable substance can be defined as a kind of substance which cannot be broken down by natural organisms and acts as a... View Article
Answer: The umbilical cord connects the embryo with the placenta. Placenta refers to the temporary vascular organ found in mammals, which... View Article
Answer: An inverted and diminished image is formed by the lens of the camera. A camera lens is an optical lens or group of lenses used in... View Article