Chapter 13: Structural Organisation of Animals — Online MCQ Test

SCIENCE · CLASS 10th · Tamil Nadu State Board
Practice Chapter 13: Structural Organisation of Animals with a free chapter-wise online MCQ test. This chapter covers: This chapter details morphological and anatomical studies using leech and rabbit as model organisms. Students compare digestive respiratory circulatory nervous and reproductive org.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 13: Structural Organisation of Animals — Important Questions & Answers

What is the scientific name of the Indian cattle leech?

A. Hirudinaria granulosa
B. Pheretima posthuma
C. Oryctolagus cuniculus
D. Rana hexadactyla

Answer: A. Hirudinaria granulosa
Hirudinaria granulosa is the scientific name of the Indian cattle leech.

Which of the following describes the body segments of a leech?

A. 10 segments
B. 33 segments
C. 50 segments
D. 100 segments

Answer: B. 33 segments
The body of a leech is composed of 33 segments.

Which structure helps in the locomotion of the leech on land?

A. Parapodia
B. Suckers
C. Cilia
D. Flagella

Answer: B. Suckers
Leeches use their anterior and posterior suckers for looping movement on land.

Which of the following is NOT a feature of the rabbit's digestive system?

A. Presence of a gall bladder
B. Presence of a caecum
C. Presence of a crop
D. Presence of small intestine

Answer: C. Presence of a crop
Rabbits do not possess a crop; crops are typically found in birds.

The 'clitellum' in a leech is responsible for:

A. Digesting food
B. Producing the cocoon during the breeding season
C. Locomotion
D. Filtering blood

Answer: B. Producing the cocoon during the breeding season
The clitellum is a glandular structure involved in the formation of the cocoon for egg deposition.