This questions will defeat you if you are not well prepared, set 004
Biology question set 004 Instructions: This set comprises of two sections A and B Answer all the questions Pick the correct option See question set 003 question set 002 Section A 1. Ecological systems often have producers, consumers, predators, and preys. Which organisms maintain the balance of ecosystems ? A. Preys B. Consumers C. Producers D. Predators 2. A student heated strongly a dry sample of soil to a constant mass. The loss of mass in the soil is due to A. loss of mineral salts B. Loss if water C. Escape of air D. Destruction of humus 3. Which one of the following forms part if the insect respiratory system ? A. Trachea, tracheoles and branchioles B. Spiracle, trachea and tracheoles C. Spiracles, trachea and bronchioles D. Trachea, bronchus and bronchioles 4. The normal reproductive cycle of the human female involves the interaction of the A. Oviduct...