🌟1. Algae are classified into 3 classes, depending on the type of pigment
and the type of stored food.
🌟2. Kingdom fungi is divided into various classes based on morphology of
the mycelium, mode of spore formation & fruiting bodies.
🌟3. Simple epithelium is divided into 3 types (squamous, cuboidal and
columnar) on the basis of structural modifications of the cells.
🌟4. Pollination can be divided into 3 types (autogamy, geitonogamy &
xenogamy) depending on the source of pollen.
🌟 5. Respiratory quotient depends upon the type of respiratory substrate
used during respiration.
🌟 6. Neurons can be divided into 3 types (multipolar, bipolar & unipolar)
based on the number of axon & dendrites.
🌟 7. Muscles are of 3 types (skeletal, visceral & cardiac) based on their
location.
🌟 8. Muscles are classified as red & white fibres based primarily on the
amount of red coloured myoglobin pigment in them.
🌟 9. Methods of locomotion performed by animals vary with their habitat &
the demand of the situation.