REPRODUCTIVE STRATEGY
The basis of reproductive strategies is the survival of plant in particular habitat. These reproductive strategies are developed by natural selection. Every organism reproduces to maintain their specie. Each organism…
The basis of reproductive strategies is the survival of plant in particular habitat. These reproductive strategies are developed by natural selection. Every organism reproduces to maintain their specie. Each organism…
The study of the vital statistics that affect population size is called demography. Birth rate and death rate vary among subgroups within a population. This birth rate and death rate…
The storage of seed in the soil is called seed bank. Seeds fall on the soil. They are buried in the soil. Some seeds germinate to form the new plants.…
Seed is an important source of dispersal of species of a plant to other places. Seeds are dispersed to far off places. Thus the genes of a population of plant…
The number of individuals of specie living in the same area at the same time is called population. Population has two aspects: number of individuals of a specie and area…
Multiple Choice Questions (MCQs) Which of the followings form visible spectrum? (a) 400-750 (b) 300-600 (c) 200- 700 (d) 400- 500 The ultraviolet radiations have wavelengths less than: (a) 300 …
Subjective Questions: Discuss scope and development of ecology. Write note on quality of light. Give classification of plants on the basis of light. Describe different ecophyiological responses of light. Give…
TERMS DEFINITIONS Heliophytes The plants which grow best in full sunlight are called heliophytes. Sciophytes The plants which grow best at lower light intensities are called sciophytes. Facultative Seiophytes…
Air in motion is called wind. It can circulate gases, water vapours and small soil particles. The action of wind is an ecological factor. Its affect may be direct or…
Water is a most important environmental factor. It is essential for all life processes. The living cells have about 80% water. It is essential for the maintenance of turgidity of…