Question : A biome is ______.

Option 1: A delimited area

Option 2: A complex of communities characterised by distinctive climate and vegetation

Option 3: A group of plants growing in a particular area

Option 4: A collection of rare plants and animals

Question : The microorganisms which convert the dead plants and animals to humus are known as_____.

Option 1: producers

Option 2: decomposers

Option 3: autotrophs

Option 4: herbivores

Question : The remains of the dead plants and animals trapped in the layers of rocks are called ______.

Option 1: manures

Option 2: moulds

Option 3: fossils

Option 4: remnants

Question : Those organisms which consume food synthesised by plants are called ___________.

Option 1: phototrophic

Option 2: heterotrophic

Option 3: self-sufficient

Option 4: saprophyte

Question : Plants differ from animals in having:

Option 1: locomotion

Option 2: metabolism

Option 3: localised growth

Option 4: catabolism