15. Describe, with the help of drawings, the work of a bee in its mode both of collecting pollen and honey and of fertilising flowers.
16. Give a short account of the structure of a bird’s wing. How are the wings made use of during flight?
17. Give an account of some simple experiments you would employ to demonstrate the phenomena of respiration in animals and plants.
Board of Education.
PRELIMINARY EXAMINATION
FOR THE CERTIFICATE.
Part II.
Elementary Science.—Syllabus No. II.
(You should answer six questions.)
1. Describe with the aid of a drawing the various structures seen by means of a pocket lens in a section across the middle region of a grain of wheat.
2. How would you measure the rate of transpiration of water from a small plant or a leafy stem?
3. How can it be shown that the root responds to external influences of moisture, light and gravity?