In animals, male and female individuals have different set of reproductive organs. The male reproductive system consists of 1) A pair of testes: They produce male gametes called sperms.2) A pair of sperm ducts: They transfer the sperms produced by the testes to the penis.3) Penis: It aids in ... Read More

Proteins are needed for the growth and repair of our body. Foods containing proteins are often called ‘Body Building Foods’. Proteins in food can be detected using Biuret test. It is also known as Piotrowski's test.

Fermentation depends on the temperature of the surrounding environment. Hence, during summers, as the weather is hot, the idli or dosa batters get fermented within 7 to 8 hours. However, during winters, as the temperature is moderate or cool, fermentation of batter takes a longer time than required. Sometimes keeping ... Read More

Uses of metals are as follows:1. Shiny metals like copper, silver, and gold are used as decorative arts, in making jewelry, and coins.2. Strong metals like iron and metal alloys (stainless steel) are used to build structures, ships, and vehicles including cars, trains, and trucks.3. Metals due to their property ... Read More

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Crystallization of salt is the process of obtaining pure salt from impure salt.In this process, impure salt is dissolved in a solvent. Pure salt particles will dissolve and some will remain undissolved which are the impurities. The leftover solution is then recrystallized and the pure salt is obtained.

The harmful microbe in water causes typhoid and jaundice is Salmonella enterica serotype Typhi.Typhoid is a multi-system disorder that affects the normal functioning of the liver also. It can cause jaundice due to a rise in liver enzymes or hepatomegaly (enlargement of the liver due to swelling).

Photosynthesis is a process by which plants make their own food in the presence of sunlight, carbon dioxide, water, minerals and chlorophyll present in leaves.Extra information for reference:Process:1) Plants take up carbon dioxide from the atmosphere through the tiny pores known as stomata present on the surface of the leaves.2) ... Read More

There are two major types of respiration- aerobic, and anaerobic. Aerobic respiration- The respiration process which takes place in the presence of oxygen is known as aerobic respiration. Glycolysis and Kreb's cycle are a part of aerobic respiration. Anaerobic respiration- The respiration process which takes place in the absence of ... Read More

Gills are a type of respiratory organ found in many aquatic animals.They are also found in some of the worms, mollusks and crustaceans, insect larvae, all fishes, and a few amphibians.Gills are composed of branched or feathery tissues rich in blood vessels, to facilitate the exchange of respiratory gases such ... Read More