What is first milk which comes out from mother's mammary gland called? State its importance.

Antibiotics are those chemicals which are obtained from the useful micro-organisms and are employed to kill some harmful micro-organisms. But all the antibiotics donot have medicinal importance. Discuss the following: Discovery of penicillin was a serendipity. Why it is called so?

Antibiotics are those chemicals which are obtained from the useful micro-organisms and are employed to kill some harmful micro-organisms. But all the antibiotics donot have medicinal importance. Discuss the following: What should be the properties of the antibiotics to be used in medicinces?

Fill up the blanks with the words given: herbivore,plant,milk,sugarcane,carnivore. The ………..that we drink, which comes from cows, buffaloes and goats is an animal product.

A container opened from the top is made up of a metal sheet is in the form of a frustum of a cone of height 16 cm with radii of its lower and upper ends as 8 cm and 20 cm, respectively. Find the cost of the milk which can completely fill the container, at the rate, of Rs 20 per litre. Also find the cost of metal sheet used to make the container, if it costs Rs 8 per 100 cm^2 . (Take pi = 3.14.)

Complete the missing links: ________ is the first fluid released from a mother's mammary glands.

Coffee is coming out from a conical filter, with height and diameter both are 15 cm into a cylindrical coffee pot with a diameter 15 cm. The rate at which coffee comes out from the filter into the pot is 100 cu cm/min. The rate (in cm/min) at which the level in the pot is rising at the instance when the coffe in the pot is 10 cm, is

The gas we use in the kitchen is called liquified petroleum gas (LPG). In the cylinder it exist as a liquid. When it comes out from the cylinder it becomes a gas (Change-A) then it burns (Change-B). The following statements pertain to these changes. Choose the correct one.