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1 | |
Millipedes belong to the arthropod class |
| | A) | Hexapoda. |
| | B) | Chilopoda. |
| | C) | Diplopoda. |
| | D) | Crustacea. |
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2 | |
Centipedes belong to the arthropod class |
| | A) | Hexapoda. |
| | B) | Chilopoda. |
| | C) | Diplopoda. |
| | D) | Crustacea. |
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3 | |
Members of this class feed on decaying plant matter, possess repugnatorial glands, and possess two pairs of appendages per apparent segment. |
| | A) | Hexapoda |
| | B) | Chilopoda |
| | C) | Diplopoda |
| | D) | Crustacea |
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4 | |
Members of this class live in forest-floor litter, where they feed on fungi, humus, and other decaying organic matter. Their body consists of 11 segments and 9 pairs of legs. |
| | A) | Symphyla |
| | B) | Chilopoda |
| | C) | Diplopoda |
| | D) | Pauropoda |
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5 | |
The thoracic tagmata of an insect often has a pair of wings on |
| | A) | the prothorax only. |
| | B) | the prothorax and mesothorax. |
| | C) | the mesothorax and metathorax. |
| | D) | the metathorax only. |
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6 | |
Insect flight, in which muscles act to change the shape of the exoskeleton during both upward and downward wing beats, is called ______ flight. |
| | A) | synchronous |
| | B) | asynchronous |
| | C) | tympanal |
| | D) | regulatory |
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7 | |
Which of the following mouthparts of a chewing insect, like a grasshopper, is primarily a sensory, liplike structure and is the anterior-most mouthpart? |
| | A) | mandible |
| | B) | maxilla |
| | C) | labrum |
| | D) | labium |
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8 | |
The smallest branches of an insect's respiratory system exchange respiratory gases at the level of body cells. These smallest branches are called |
| | A) | tracheal trunks. |
| | B) | tracheoles. |
| | C) | Malpighian tubules. |
| | D) | Johnston's organs. |
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9 | |
Sensory structures found in the legs of crickets, the abdomen of grasshoppers, and the thorax of some moths detect pressure (sound) waves in the air. These sensory structures are called |
| | A) | ommatidia. |
| | B) | tympanal organs. |
| | C) | Johnston's organs. |
| | D) | Malpighian organs. |
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10 | |
The light collecting area of a compound eye that converts light energy into a nerve impulse is called the |
| | A) | retinula cell. |
| | B) | crystalline cone. |
| | C) | rhabdome. |
| | D) | pigment cell. |
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11 | |
A ______ is (are) a protective case(s) for the pupal stage of an insect that is formed from the last larval exoskeleton. |
| | A) | cocoon |
| | B) | puparium and cocoon |
| | C) | puparium and chrysalis |
| | D) | chrysalis and cocoon |
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12 | |
Insect development in which immatures are very different from the adult in body form, behavior, and habitat is called ______ metamorphosis. |
| | A) | ametabolous |
| | B) | paurometabolous |
| | C) | hemimetabolous |
| | D) | holometabolous |
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13 | |
Mayfly development occurs through a gradual series of changes, but the immatures are very different from the adults. These immatures are called _________________. |
| | A) | larvae |
| | B) | nymphs |
| | C) | naiads |
| | D) | pupae |
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14 | |
Insect development in which molting continues after sexual maturity and in which immatures resemble adults is called ______ metamorphosis. |
| | A) | ametabolous |
| | B) | paurometabolous |
| | C) | hemimetabolous |
| | D) | holometabolous |
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15 | |
Social insects include those in the orders |
| | A) | Isoptera and Diptera. |
| | B) | Diptera and Coleoptera. |
| | C) | Diptera and Hymenoptera. |
| | D) | Hymenoptera and Isoptera. |
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16 | |
Myriapoda includes scorpions, centipedes, and proturans. |
| | A) | True |
| | B) | False |
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17 | |
The wings of a midge may beat at frequencies of 1,000 cycles per second, which is much faster than the frequency of nerve impulses to flight muscles. |
| | A) | True |
| | B) | False |
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18 | |
Insects are not capable of regulating their body temperature. |
| | A) | True |
| | B) | False |
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19 | |
Gas exchange in insects involves respiratory pigments dissolved in the hemolymph. |
| | A) | True |
| | B) | False |
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20 | |
Insects excrete uric acid using Malpighian tubules, which empty into the gut tract at the junction of the midgut and the hindgut. Because uric acid can be excreted as a semisolid, this excretory mechanism minimizes water loss and aids an insect's life on land. |
| | A) | True |
| | B) | False |
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21 | |
An insect's compound eyes probably form images, but more importantly, they are adapted for detecting movement. |
| | A) | True |
| | B) | False |
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22 | |
Most of the water and salts present in the digestive tract of an insect are absorbed from the digestive tract through the midgut. |
| | A) | True |
| | B) | False |
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23 | |
If the uniramous appendages of myriapods and hexapods are not homologous, then the compound eyes of hexapods and crustaceans may be homologous. |
| | A) | True |
| | B) | False |
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24 | |
Because insects are vectors for diseases that affect humans; their economic cost to humans far outweighs their beneficial effects. |
| | A) | True |
| | B) | False |
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25 | |
Virtually all zoologists agree that the phylum Arthropoda is a monophyletic grouping. |
| | A) | True |
| | B) | False |
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