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Ecosystem & Environment
The grasslands in tropical climates that have woody trees are called?
A savanna is a grassland ecosystem characterized by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to support an unbroken herbaceous layer consisting primarily of grasses.
Which of these is a function of saliva?
- Moistening and Lubrication
- Antisepsis and stabilization of pH
- Carbohydrate digestion
- All of above
All of above
Main functions of saliva are:
Mucus causing moistening and lubrication,
Sodium bicarbonate causing antisepsis and pH stabilization
Amylase causing carbohydrate digestion
Which of the following is the function of lysosomes?
- Enzyme secretion for extracellular digestion
- All of the above
All of the above
Lysosomes performs all these functions.
Phagocytosis is eating process of a cell.
Autophagy is self-eating of worn out parts of the cell e.g mitochondria.