Pollination by birds is called
autogamy
entomophily
anemophily
ornithophily
- Polythene is industrially prepared by the polymerisation of
- The element present in the largest amount in rocks and minerals is
- The major ingredient of leather is
- Pollination by birds is called
- Which of the following parts of the sun is easily visible only during a total solar eclipse?
- Which of the following elements is non-radioactive?
- What is the unit for measuring the pitch or frequency of sound ?
- The speed of light with the rise in the temperature of the medium
- Which of the following is the lightest metal ?
- Apparatus invented by Archimedes is :
- The Panda belongs to the same family as that of
- The removal of top soil by water or wind is called
- Which of the following is in liquid form at room temperature ?
- The most important ore of Aluminium is
- Nitrification means
- Cell membrane is
- When a gas is turned into a liquid, the process is called
- The intencity of Earthquakes is measured on
- The metallic constituents of hard water are
- Earth's seasons are caused by which of the following?
- The smallest functional and structural unit of kidney is called as
- Epoxy resins is used as
- Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous…
- The recent atomic weight scale is based on
- The oxide of Nitrogen used in medicine as anaesthetic is
- The solar eclipse occurs when
- The hardest substance available on earth is
- The type of glass used in making prisms and lenses is
- The location and energy of an electron in an atom can be specified by
- Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of