The _________________  is the ultimate source of energy for everything on the planet.

.Forest are renewable resources and play an important role in maintaining the ___________________________ .

____________________  layer constitutes the giant and tall trees followed by shrubs and tall grasses.

A typical food chain in a pond is ____________ .

 The _____________component in forest consists of plants, animals, decomposer, scavengers.

Forest help to balance the levels of oxygen and _____________ in the atmosphere .

  The different types of vegetation present in a forest provide __________________to animals ,birds and insects which live there. .

Forest play vital role in releasing huge amounts of oxygen into the ____________________ .

Interaction between biotic and abiotic factors is known as _____________ .

Which of the following are correct ?

(a) The different types of vegetation present in a forest provide food and shelter to animals, birds and insects which live in the forest.

(b) Food chain can be defined as a sequence of living organisms in which one organisms feeds on another.

Which of the following are correct ?

(a) The uppermost branches and leaves of the tall trees which act like a roof over the forest ground is called canopy. It is the highest layer of vegetation in the forest.

(b) The branchy part of a tree above the stem is known as the crown of the tree.

Which of the following are correct ?

(a) A forest consist of two components : Biotic (living) and Abiotic (non - living).

(b) The biotic component forest consists of plants, animals, decomposer, scavengers .

Which of the following are correct ?

(a) Forest play vital role in releasing huge amounts of oxygen into the air.

(b) The plants consume a large amount of carbon dioxide gas which is the raw material for the process of photosynthesis .

Which of the following are correct ?

(a) The forest also contain insects, butterflies, honeybees and birds which help in pollination in the flowering plants.

(b) Just above the shrub layer occurs a layer of herb plants. It is the lowest layer of vegetation in the forest.

(c) Plants found in forest floor are small as mosses, liverworts,lichens.

Which of the following are correct ?

(a) The biotic components consists of nutrients water and carbon dioxide for growth of plants .

(b) All organisms who they depend on other organisms for food are called as heterotrophs.

(c) Plants produce food by the process of photosynthesis .