TG EAMCET (EAPCET) Zoology Multiple Choice Questions (MCQs)

61. Where does Periplaneta americana (cockroach) primarily live?

• a) Water bodies
• b) Soil
• c) Wood
• d) Human habitats

Answer: d) Human habitats

62. What type of locomotion is exhibited by Periplaneta americana?

• a) Walking only
• b) Swimming
• c) Flying and walking
• d) Gliding

Answer: c) Flying and walking

63. What is the main function of the digestive system of Periplaneta americana?

• a) Circulating nutrients
• b) Breaking down food and absorbing nutrients
• c) Oxygen exchange
• d) Producing waste

Answer: b) Breaking down food and absorbing nutrients

64. The circulatory system of Periplaneta americana is classified as:

• a) Open type
• b) Closed type
• c) Mixed type
• d) None of the above

Answer: a) Open type

65. In Periplaneta americana, oxygen is absorbed by:

• a) Lungs
• b) Gills
• c) Tracheae
• d) Skin

Answer: c) Tracheae

66. The excretory system of Periplaneta americana consists of:

• a) Kidneys
• b) Malpighian tubules
• c) Nephridia
• d) Nephron

Answer: b) Malpighian tubules

67. Which organ in Periplaneta americana is responsible for the sense of touch?

• a) Antennae
• b) Eyes
• c) Legs
• d) Mandibles

Answer: a) Antennae

68. The nervous system of Periplaneta americana includes:

• a) A dorsal nerve cord
• b) A ventral nerve cord
• c) A single nerve ring
• d) None of the above

Answer: b) A ventral nerve cord

69. The reproductive system of Periplaneta americana is:

• a) Dioecious, with separate sexes
• b) Hermaphroditic
• c) Asexual
• d) None of the above

Answer: a) Dioecious, with separate sexes

70. Which of the following is an external feature of Periplaneta americana?

• a) Wings
• b) Compound eyes
• c) Antennae
• d) All of the above

Answer: d) All of the above