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Bilolgy questions with wll explained answers MULTIPLE CHOICE BIOLOGY QUESTIONS WITH ANSWERS 1. Which one of the following statements correctly describes the transcription of DNA? It produces amino acids It results in an increased DNA synthesis It produces messanger RNA It occurs at the surface of the ribosome 2. Which one of tge following events occurs during telophase of mitosis in the meristematic cells of a root tip? Cleavage of the cytoplasm Replication of the centrioles Replication of the chromosome Formation of the cell plate 3. The following are mmetabolic processes (i)synthesis of plasma protein (ii)regulation of fat metabolism (iii)storage of vitamin A (iv)manufacture of digestive enzymes Which of these are functions of the liver? (i), (ii) and (iii) (i), (ii) and (iv) (i), (ii) and (iv) (ii), (iii) and (iv) 4. What happens to most of the reduced NADH2 molecules in cell metabolism? Direct use in the synthesis of starcfrom glucose Oxidation in ...

ANSWERS TO QUESTIONS SET 004               SECTION A 1. C          2. D          3. B           4. B         5. B         6. C           7. A           8. B  9. C         10. D  See   question set 003 Answers to question set 003             SECTION B  11. Transpiration is the loss of water from the plants' leaves by evaporation. This  can also occur through stems and flowers (b). Environmental factors that affect the rate of transpiration are:- Temperature of the surrounding air  Humidity of the surrounding air  Pressure of wind  Light intensity  Experiment to show that a plant trqnspires  A large transparent polythene bag is tied around the shoot of a potted plant, and the plant is transfer...

  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...

BIOLOGY  ANSWERS TO BIOLOGY QUESTION SET 003 1.C             2.A             3.B            4.D 5.C              6.B             7.B           8.C 9.C           .  10.D          11.B         12.A 13.A            14.C          15.C      16.N/A 17.B            18.D         19.A          20.A      Check the following   Biology  question set 003 Biology  question set 002