Chapter 7 ZOOLOGY : Periplaneta americana — Online MCQ Test
ZOOLOGY · CLASS 11 INTER I YEAR · Andhra State Board
Practice Chapter 7 ZOOLOGY : Periplaneta americana with a free chapter-wise online MCQ test.
This chapter covers: This chapter covers external morphology anatomy digestive circulatory respiratory excretory nervous sensory and reproductive systems of the cockroach..
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Chapter 7 ZOOLOGY : Periplaneta americana — Important Questions & Answers
What is the scientific name of the common cockroach studied in the Andhra State Board syllabus?
- A. Periplaneta orientalis
- B. Periplaneta americana
- C. Blatta germanica
- D. Supella longipalpa
Answer: B. Periplaneta americana
Periplaneta americana is the most common species of cockroach studied in biology curricula.
Periplaneta americana is the most common species of cockroach studied in biology curricula.
How many segments is the head of a cockroach formed by?
- A. Four
- B. Five
- C. Six
- D. Seven
Answer: C. Six
The head of the cockroach is formed by the fusion of six embryonic segments.
The head of the cockroach is formed by the fusion of six embryonic segments.
The mouthparts of a cockroach are adapted for which type of feeding?
- A. Piercing and sucking
- B. Biting and chewing
- C. Siphoning
- D. Sponging
Answer: B. Biting and chewing
Cockroaches possess biting and chewing type mouthparts that include mandibles and maxillae.
Cockroaches possess biting and chewing type mouthparts that include mandibles and maxillae.
If the supra-oesophageal ganglion is removed in a cockroach, what will happen?
- A. The cockroach will die immediately
- B. The cockroach will lose the ability to move
- C. The cockroach will lose control over walking and sensory integration
- D. The cockroach will stop eating completely
Answer: C. The cockroach will lose control over walking and sensory integration
The supra-oesophageal ganglion acts as the 'brain' of the cockroach, coordinating sensory input and locomotor activity.
The supra-oesophageal ganglion acts as the 'brain' of the cockroach, coordinating sensory input and locomotor activity.
Identify the feature that differentiates a male cockroach from a female cockroach.
- A. Presence of wings
- B. Presence of anal styles in males
- C. Presence of Malpighian tubules
- D. Presence of compound eyes
Answer: B. Presence of anal styles in males
Anal styles are slender, thread-like structures present only in males, which helps in sexual dimorphism.
Anal styles are slender, thread-like structures present only in males, which helps in sexual dimorphism.