QUICK QUESTIONS WITH ANSWERS FOR REFERENCE

State three ways in which blood capillaries are structurally adapted to their functions. : State three ways in which blood capillaries are structurally adapted to their functions.

KCSE NOTES REVISED EDITION Adaptation of the capillaries to its function Numerous to increase surface area through which materials diffuse; Thin/one-cell thick/single cell epithelium/endothelium for faster diffusion;  Lined with a single cell epithelium for faster diffusion;  Are selectively permeable for passage of materials;  Narrow lumen to maintain pressure;

Disadvantages of direct production : Disadvantages of direct production Direct Production This is where goods and services are produced for own consumption rather than for commercial purposes. It is commonly referred to as subsistence and is much more common in rural areas. However, nowadays it is difficult to find someone living purely on this form of production. Disadvantages of direct production    1. Goods and qualities are mainly of low quality and quantity;    2. Encourages individualism    3. Leads to low standards of living;    4. Does not encourage consumption;    5. Can be very tiring;    6. Does not encourage invention and innovation;    7. A lot of time is wasted as one moves from one job to another;    8. No one has the ability to provide all that he/she requires.

KCSE 2006 PAST PAPERS (QUESTIONS, MARKING SCHEMES AND REPORTS) : KCSE 2006 PAST PAPERS (QUESTIONS, MARKING SCHEMES AND REPORTS)

KCSE 2007 PAST PAPERS (QUESTIONS, MARKING SCHEMES AND REPORTS) : KCSE 2007 PAST PAPERS (QUESTIONS, MARKING SCHEMES AND REPORTS)

Free latest knec kcse past papers, marking schemes and reports online : Free kcse past papers, kcse past papers PDF, kcse past papers Marking schemes, Answers, Reports, Download, From 1995

KCSE 2009 PAST PAPERS (QUESTIONS, MARKING SCHEMES AND REPORTS) : KCSE 2009 PAST PAPERS (QUESTIONS, MARKING SCHEMES AND REPORTS)