bryophytes need water to

Bryophytes are a group of simple and primitive plants. They grow in moist and shady places forming a dense mass or mat on damp soil, rock, logs and other substrata. They are basically terrestrial forms, but require the presence of water for completing the life cycle. Hence..

Bryophytes - Bryophytes are a group of simple and primitive plants. They grow in moist and shady places forming a dense mass or mat on damp soil, rock, logs and other substrata. They are basically terrestrial forms, but require the presence of water for completing the ..

One crop component requires comparatively lesser water than the othe..

Introduction - Apart from air, the most abundant substance on the earth is water. Humans need water for drinking, bathing, sanitation, washing, cooking etc. Modern agriculture, industry, transport, power generation, civic facilities etc., cannot exist without wate..

Water for All - Water is a unique and remarkable compound, essential to all forms of life. Human beings and the flora and fauna cannot survive without water on this planet. A large amount of life on this planet is aquatic based i.e., can only survive in water..

500 gallons of water is needed to wet one-fourth area of a park. How many gallons of water is required to water the entire park? => 2000 or 1900 or 2100 or 1800..

Uses of Water - 1. For drinking and for life processes. On an average, a man consumes about 60,000 to 80,000 litres of water in his lifetime. The body of an adult contains nearly 40 to 50 litres of water at any given time and water constitutes about 66% of th..

The factors contributing to water problems are: 1) Rise in population and expansion in industry has increased the demand for water. The average per capita consumption of water in a modern society is 350 700 liters per day. 2) Deforestation has growth reduced..

How many flowers are needed to make 5 bouquets, if each bouquet needs 20 flowers? => 25 or 100 or 150 or 75..

Population grows in geometrical proportions but food grows in only arithmetical proportion. With the ever increasing demand on food grains, fodder, fibre, vegetables, fruit, sugar and oil, there is an urgent need to increase crop production, as our land resources are limited. Our natural..