school system

Shoot is the ascending portion of the axis and develops from the plumule of the embryo. It consists of the main axis or stem, branches and leaves. The stem is provided with nodes and internodes which may not be distinct in all cases. Leaves and branches develop from the nodes. The portion bet..

It is of closed type consisting of blood vessels and capillaries which ramify to all parts of the body. The blood is composed of plasma and corpuscles. Plasma is red in colour since it contains hemoglobin in a dissolved state. Corpuscles are colourle..

Here, the monohalogen derivatives of alkanes are named as haloalkanes. While writing the names, the word 'halo' is prefixed to the name of the alkane corresponding to the longest continuous carbon chain holding the halogen atom. In case of branched chain alkanes, the following rules are followed: ..

(indicating only forces experienced by cart) f is the functional force and it is always in the direction opposing the motion. Hence, it is directed backward since the motion is forward. Net force on cart = F 1 -f 1 Mass of cart = m c ..

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pH plays a very significant role in biochemical reactions. For example, the blood in our bodies is maintained at a pH value of 7.36 - 7.42 due to bicarbonate - carbonic acid mixture. A mere change of 0.2 pH units can cause death. Certain enzymes in the body get activated only at certain definite p..