Question 1
State the name given to the study of
- the blood
- classification of living organisms
Answer
- Serology
- Taxonomy
Question 2.
- Name the products of complete hydrolysis of sucrose
- What happens to these products named in (a) above, when they are excess in the body of man
Answer
- Glucose and fructose;
- - Oxidised (in the cells) to release energy;
- Converted ( by the liver cells) into glycogen
Question 3
- State the roles of light in plant nutrition.
- Give a reason why glucose formed at the end of photosynthesis is converted at once into starch
Answer
- Photosynthesis to provide hydrogen atoms required in the dark stage of photosynthesis;Synthesis of more/additional ATP required in the dark stage of photosynthesis
- Starch is insoluble /osmotically inactive( hence does not affect the O.P of plant cells);
Question 4
- What is respiration
- State any two importance of respiration
Answer
- The break down of glucose /food nutrient in the cells to release energy
- - Produce energy for transmission of nerve impulse;
- Produce energy for maintenance of body temperature
Question 5
- State the formula for calculating linear magnification of a specimen when using a hand lens.
- Give one functional adavantgae of use of the following microscopes
- Light Microscope
- Electron Microscope
Answer
-
- Studying /viewing live specimen
- Higher power of resolution