CIE Biology Paper-1: Specimen Questions 29 - 31 of 109
Question number: 29
Type of Graphis lichen is?
Crustose Lichens: It is a habit of some types of lichens in which the plant grows tightly to a substrate forming a biological layer of the adhering creature.
Question number: 30
Separation of substances in solution by means of their unequal diffusion through semipermeable membranes.
Movement of water across a semi-permeable membrane
Method of producing pure water, a solvent passes by a semipermeable membrane in a direction opposite to that for natural osmosis when it is subjected to a hydrostatic pressure greater than the osmotic pressure
The process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration
Diffusion of fluid by a semipermeable membrane from a solution with a low solute concentration to a solution with a higher solute concentration until there is an equivalent solute concentration on both sides of the membrane.
Question number: 31
Which organ discharge a chemical substance, which blends fats and makes the diet alkaline?
The liver is the largest organ in the human body the main functions of liver are
- Storage of Nutrients
- Breakdown of erythrocytes
- Bile Secretion
- Synthesis of plasma Proteins
- Synthesis of cholesterol