OILB (ICSE BIOLOGY)

What is the term used for a sequential arrangement of components to serve a specific purpose?

• a) Biosphere
  

• b) Organisation
  

• c) Population
  

• d) Ecosystem

What is the basic structural and functional unit of life?

• a) Organ
  

• b) Tissue

• c) Cell

• d) Organ system

Which level of organisation comes immediately after cells?

• a) Organ
  

• b) Tissue
  

• c) Organism
  

• d) Organ system

In multicellular organisms, what is the function of organelles in a cell?

• a) To form communities
  

• b) To perform specialised functions
  

• c) To interact with abiotic factors
  

• d) To create ecosystems

Which example represents the organ level of organisation?

• a) Xylem
  

• b) Heart
  

• c) Circulatory system
  

• d) Population of jellyfish

What forms the first higher level of organisation?

• a) Population
  

• b) Community
  

• c) Ecosystem
  

• d) Biosphere

What is formed when different populations interact with each other?

• a) Biosphere
  

• b) Ecosystem
  

• c) Community
  

• d) Organ system

Which level of organisation integrates living organisms with abiotic factors like water, air, and soil?

• a) Organism
  

• b) Ecosystem
  

• c) Biosphere
  

• d) Population

What is the highest level of organisation on Earth?

• a) Community
  

• b) Ecosystem
  

• c) Biosphere
  

• d) Organism

What is the aim of the Biosphere Reserve programme by UNESCO?

• a) To promote industrial development
  

• b) To conserve biological diversity and habitats
  

• c) To encourage urbanisation
  

• d) To increase population growth