Living Organisms Multiple Choice Questions (MCQ) PDF Download

MCQ 1: Light exerts its influence on living organisms through variations in day length called

1. biorhythm
2. photoperiod
3. vernalisation
4. regeneration

MCQ 2: A group of living organisms which are of same species and are located in one place is collectively termed as

1. community
2. groups
3. individuals
4. population

MCQ 3: The inhabited part of the earth in which living organisms and non-living components co-exists is called

1. Ecosystem
2. Community
3. Biosphere
4. population

MCQ 4: The number of chemical compounds from which living organisms are made is

1. 92
2. 16
3. 20
4. 108