Olympiad Test: Forests Our Lifeline

Branches of tall trees look like roof over the other plants in forest called canopy.

The microorganisms like bacteria and fungi convert plants and animal dead parts into humus are called decomposer.

an evergreen coniferous tree which has clusters of long needle-shaped leaves. Many kinds are grown for the soft timber, which is widely used for furniture and pulp, or for tar and turpentine.

Flora are plants found in particular localities. They grows in particular areas only.

The ovary of flower turns into fruits and ovules changes into seeds on maturity.

In village environment is not polluted due to absence of large number of industries and vehicles to make it cool and peaceful.

Cutting of tree on large scale is called deforestation. Deforestation leads to loss of plant and animal life.

A forest product is any material derived from forestry for direct consumption or commercial use, such as lumber, paper, or forage for livestock. Wood, by far the dominant product of forests, is used for many purposes, such as wood fuel (e.g. in form of firewood or charcoal) or the finished structural materials used for the construction of buildings, or as a raw material, in the form of wood pulp, that is used in the production of paper.

The stamen (plural stamina or stamens) is the pollen-producing reproductive organ of a flower.

The plant help to provide oxygen for animal respiration. They also maintain the balance of carbon dioxide in the atmosphere . That is why forest is called green lungs.

Reticulate venation is present in characteristic feature of dicot plants. So, it is present in mango leaves.

Large number of living organisms is found in forests which includes plants, animals and microbes. The number of microorganism is maximum in forest.

Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere.

Cinchona plant is a medicinal plant used to prepare ayurvedic medicines.

Humus is produced due to decomposition of dead plants by bacteria and fungi.

Resins are obtained from forest but petrol, kerosene and plastics are manmade substance.

Plants with soft stem is called herbs. They generally creep on ground.

Sounds of birds and animals are common in forests area.

Plants help in water cycle as it release water in form of water vapour in the process of transpiration.