Question
Which among the following fishes is not a surface water
(pelagic) fish?Solution
Pelagic fish range in size from small coastal forage fish, such as herrings and sardines, to large apex predator oceanic fishes, such as bluefin tuna and oceanic sharks. Benthic fish which can bury themselves include dragonets, flatfish and stingrays. Flatfish are an order of ray-finned benthic fishes which lie flat on the ocean floor.
Which type of wave does not require a medium for propagation?
Law of conservation of mass is not correct for
_____ is the movement of chemicals in the upper layers of soil into lower layers or into groundwater by being dissolved in water.
The conversion of hard water into soft water by boiling or adding calcium hydroxide is called:
Water is a good solvent of ionic salts because -
Which of the following scientists invented steam engine?
Bleaching powder is represented as ______.
What is the nature of the pH of milk?
Who proposed the 'Law of Octaves' in the periodic classification of elements?
Ethane gas has a slightly _____ taste.
