The Effects of Pests on Humans - Part Two
Choose the one alternative that best completes the statement or answers the question.

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1. Which of the following descriptions of termites is INCORRECT?
   
   Termites may damage timber and structures made of earth.
   Termites only damage wooden materials.
   Termites are scavengers in the natural world.
   Termites may bore dry wood and damp wood.
2. Trombiculid mites are considered a pest because they:
   
   damage crops and flowers.
   breed in the soil of shrubberies.
   bite man and are a significant plant pest.
   may transmit disease if infected.
3. Which of the following descriptions of Old World Screwworms (Chrysomya bezziana) is CORRECT?
   
   Larvae of Old World screwworms (Chrysomya bezziana) can grow in decaying flesh.
   Adult Old World Screwworms (Chrysomya bezziana) does not feed on decaying animal remains.
   Adult female Old World Screwworms (Chrysomya bezziana) only lay eggs on the body openings (such as wounds or nostrils) of living mammals.
   Adult female Old World Screwworms (Chrysomya bezziana) lay approximately 20 eggs per batch.
4. Silverfish is considered a pest because:
   
   its appearance and behaviour are scary.
   it is active at night and will fly suddenly.
   it causes damage to various types of food and clothing.
   it transmits disease and damages our things.
5. Centipedes are considered a pest because they:
   
   cause damage to construction materials.
   prey on tiny insects indoors, such as ants and cockroaches, etc.
   occasionally enter homes and cause distress to residents.
   eat our food.
6. When their nest is disturbed by humans, red imported fire ants will usually:
   
   retaliate immediately and aggressively in self-defence.
   try to take cover deep in their nest.
   try to flee their nest.
   get out of their nest to observe but will not attack humans.
7. Bed bugs are a pest because:
   
   their body gives off an unpleasant odour.
   they damage wooden furniture.
   they cause the disappearance of other soil insects, disturbing the ecological balance.
   they cause nuisance and bite humans.
8. Maize weevil (Sitophilus zeamais) and rice weevil (Sitophilus oryzae) are:
   
   mammals.
   blood sucking insects.
   stored-grain pests.
   reptiles.
9. Some species of moth are considered a pest because:
   
   the adults pollinate.
   the body of larvae is covered with hair that cause itching in human.
   the larvae bite pets and human.
   the body of larvae may carry a wide variety of germs.
10. Bees are considered as a beneficial insect because they:
    
    are vectors.
    do help pollination.
    attack wasps.
    attack scorpions.

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