large white flower

fig. 27.48 : A flower in L.S. showing position of different whorls on the thalamus Bracts are of various types: 1. Foliaceous: Leaflike as in Adhathoda 2. Petaloid: Petal like, where the bracts are large and coloured as in Bougainvillea 3. Involucre of bracts: Here many bracts f..

Androecium - Androecium is the male reproductive part and constitutes the third whorl in the flower. It is formed of one to many stamens. Each stamen consists of a filament and an anther at its tip. The anther is described as dithecous when it consists of two anther lobes. The two anther ..

A store sells white (W) and red (R) colored shirts that come in four different sizes: Small (S), Medium (M), Large (L), and Extra Large (XL). Use a tree diagram to find the number of possible ways in which Donald can choose his shirt. => 8 or 4 or 6 or 2..

Bill has balls of 3 different sizes (small, medium and large) and in 5 different colors(white, green, red, yellow and blue). In how many possible combination can he choose two balls? => 4 or 15 or 3 or 7..

Here the small amount of matrix of cartilage is packed with large number of bundles of thick white fibres, and hence it the toughest, strongest and less flexible It has no perichondrium. It is found in intervertebral disc as shock absorbe..

There are a very large number of excellent special adaptations in flowers for entomophily, many such adaptations are seen in Orchids, Ficus, Snapdragon, Salvia, et..

The common bird pollinators are humming birds, sun - birds and honey - eaters. Birds can obtain only one staple food from flowers and that is nectar. The bird pollinated flowers have funnel - shaped or tubular corollas which are brightly coloured. The floral parts are commonly ..

Cross pollination brought about by wind is called anemophily. Some of the common features met within anemophilous flowers may be listed as follows: a. They are generally small, inconspicuous and are not brightly coloured. b. They produce a very large quantity of pollen grains. ..

It is the most sure and least wasteful method. Insects, visit the flowers not to effect pollination but to collect nectar, edible pollen or for shelter. As the insect visits a flower, its body gets dusted with pollen grains. When the loaded insect visits another flower..

According to Mendel, the genotype is made of certain structures called factors. The factors controlled the inheritance of all traits. These factors are present in pairs. The factors are now called genes. Thus the physical basis of heredity are the genes or factors. The different expressions o..