Archive | Biology

It is a mass of dead cells at the apex of the root and serves to protect the delicate growing tip of the root.

Quite a large number of plants exist in the world of nature. More than 3, 40,000 plants have been identified, described and named by botanists and a pretty large number still remain unknown.

Tissues in the body of an animal may be classified into five groups:

A tissue may be defined as an aggregation of similar cells, governed by the same laws of growth and development and adapted for the performance of the same function. These may be either plant tissues or animal tissues.

They cause diseases in important crops, e.g., late blight of potato (Phytophthora infestans), black stem rust of wheat (Puccinia graminis), brown spot of rice (Helminthosporium oryzae), etc.

Stems are capable of giving adventitious roots and this principle is used by the gardeners, planters and horticulturists in artificial method of vegetative propagation.

The difference between tail of black drogue and tail of white breasted kingfisher are:

The difference between symbiosis and parasitism are:

The difference between wings of bulbul and wings of swallow are:

The difference between jungle crow and Common crow are:

It is a simple unicellular plant. The individuals are spherical, ovoid subcylindrical or ellipsoidal. In many species a papilla like out growth is visible in the an­terior region. The protoplast is surrounded…

Pesticides are used for controlling pests. These chemicals are applied by spraying or by fumigation. Spraying is done inside the storage structure before arrival of fresh stock. This is done for disinfecting…

The characteristics of protons are a proton is a positively charged particle present in the atoms of all elements…

The main stages in the life of a star of the size of the sun are formation of protostar due to the condensation of the gases present in the galaxy…

Higher plants can be very well differentiated from animals but differentiation becomes difficult in between lower plants and lower animals. It is due to this reason that some organisms are classified…

Waste products can generally be classified as follows like Biodegradable and Non-biodegradable…