Chapter 13: Trends in Economic Zoology — Online MCQ Test
ZOOLOGY · CLASS 11th · Tamil Nadu State Board
Practice Chapter 13: Trends in Economic Zoology with a free chapter-wise online MCQ test.
This chapter covers: The final chapter details commercial animal farming applications including vermiculture apiculture sericulture aquaculture and livestock management. Students examine economically i....
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Chapter 13: Trends in Economic Zoology — Important Questions & Answers
Which of the following is the scientific term for rearing silkworms for silk production?
- A. Apiculture
- B. Sericulture
- C. Pisciculture
- D. Vermiculture
Answer: B. Sericulture
Sericulture is the rearing of silkworms for the production of silk. Apiculture is bee-keeping, while pisciculture and vermiculture refer to fish and earthworm culture respectively.
Sericulture is the rearing of silkworms for the production of silk. Apiculture is bee-keeping, while pisciculture and vermiculture refer to fish and earthworm culture respectively.
Earthworms are commonly used in which of the following economic activities?
- A. Vermiculture
- B. Apiculture
- C. Sericulture
- D. Dairy farming
Answer: A. Vermiculture
Vermiculture is the cultivation and maintenance of earthworms for compost preparation. It helps in converting organic waste into nutrient-rich vermicompost.
Vermiculture is the cultivation and maintenance of earthworms for compost preparation. It helps in converting organic waste into nutrient-rich vermicompost.
Which of the following best explains the role of earthworms in vermicomposting?
- A. They increase salinity of soil
- B. They break down organic matter into manure
- C. They pollinate flowering plants
- D. They produce silk fibers
Answer: B. They break down organic matter into manure
Earthworms feed on organic waste and convert it into vermicompost. This improves soil fertility and supports sustainable agriculture.
Earthworms feed on organic waste and convert it into vermicompost. This improves soil fertility and supports sustainable agriculture.
Which of the following is the best reason for choosing Apis mellifera in commercial apiculture?
- A. It produces silk of high quality
- B. It has high honey collection capacity
- C. It lives only in water
- D. It is used as fish feed
Answer: B. It has high honey collection capacity
Apis mellifera is valued in commercial apiculture because it is a prolific honey collector. It is widely used for large-scale honey production.
Apis mellifera is valued in commercial apiculture because it is a prolific honey collector. It is widely used for large-scale honey production.
A student says, 'Both apiculture and sericulture are insect-based commercial activities, but only one directly depends on a cocoon stage.' Which is the correct conclusion?
- A. Both depend on cocoons
- B. Only apiculture depends on cocoons
- C. Only sericulture depends on cocoons
- D. Neither depends on cocoons
Answer: C. Only sericulture depends on cocoons
Sericulture depends on the cocoon stage of the silkworm for silk extraction. Apiculture is based on honey bee rearing and does not involve cocoons.
Sericulture depends on the cocoon stage of the silkworm for silk extraction. Apiculture is based on honey bee rearing and does not involve cocoons.