specialization

Here, the inflorescence is highly reduced. It has a cup shaped receptacle formed by the fusion of five bracts. On the surface of this cup, generally a yellow coloured nectar secreting gland is present. A single female flower arises from the centre of the cup. It is highly reduced and is borne..

Brownian movement When a colloidal solution is viewed through a powerful microscope, the colloidal particles can be seen moving in a random zig-zag path. This zig-zag motion of colloidal particles is called Brownian movement. This random motion is due to collisions between the colloida..

Name Composition Properties Uses Chrome steel 2 - 4% chromium High tensile strength Ball bearing, cutting tools such as files Tungsten steel 10 - 20% tungsten Retains hardness even at high temperatures Cutting tools for high speed lathes Stainless steel 18%..

Evaluate the integral ..

Parthenocarpy - In angiosperms, the fruits are usually formed after the process of fertilisation. In certain plants, however, the fruits are formed without the act of fertilisation. Such fruits are called parthenocarpic fruits and the phenomenon is known as parthenocarpy. Parthenocarpic fruits are ..

Example: - Evaluate the integr..

Trigonometric Ratios of multiple and some special angles are: ..

Atomic number of potassium is 19 and its electronic configuration is K L M N 1 8 8 1 Atomic number of calcium is 20 and its electronic configuration is K L M N 2 8 8 2 This abnormal behaviour can be explained as follows: It is found that shells have sub shells. The smaller sub shells are termed s,..

(a) Construction of a Regular Hexagon. (b) Construction of a Regular Pentago..

Find the values of the following angles:..