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Chapters
2: Kingdom Animalia
3: Tissue Level of Organisation
4: Organ and Organ Systems in Animals
5: Digestion and Absorption
6: Respiration
7: Body Fluids and Circulation
8: Excretion
9: Locomotion and Movement
10: Neural Control and Coordination
11: Chemical Coordination and Integration
▶ 12: Trends in Economic Zoology
![Samacheer Kalvi solutions for Biology (Zoology) [English] Class 11 TN Board chapter 12 - Trends in Economic Zoology - Shaalaa.com](/images/biology-zoology-english-class-11-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Biology (Zoology) [English] Class 11 TN Board chapter 12 - Trends in Economic Zoology")
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Solutions for Chapter 12: Trends in Economic Zoology
Below listed, you can find solutions for Chapter 12 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Biology (Zoology) [English] Class 11 TN Board.
Samacheer Kalvi solutions for Biology (Zoology) [English] Class 11 TN Board 12 Trends in Economic Zoology Evaluation [Pages 240 - 241]
Which one of the following is not related to vermiculture?
- Maintains soil fertility
- Breakdown of inorganic matter
- Gives porosity, aeration and moister holding capacity
- Degradation of non biodegradable solid waste
a and b is correct
c and d is correct
b and d is not correct
a and c is not correct
Which one of the following is not an endemic species of earthworm?
Perionyx
Lampito
Eudrillus
Octochaetona
Match the following
| 1. Bombyx mori | a) Champa | I) Muga |
| 2. Antheraea assamensis | b) Mulberry | II) Eri |
| 3. Antheraea mylitta | c) Arjun | III)Tassar |
| 4. Attacus ricini | d) Castor | IV) Mulberry |
1 – b – IV
2 – a – I
3 - c - III
4 - d - II
Silk is obtained from ______.
Laccifer lacca
Nosema bombycis
Attacus ricini
Attacus mylitta
Assertion: Nuptial flight is a unique flight taken the queen bee followed by several drones.
Reason: The queen bee produces a chemical substance called pheromone. The drones in that area are attracted to the pheromone and then mating takes place.
Assertion and reason is correct but not related
Assertion and reason is incorrect but related
Assertion and reason is correct but related
Assertion and reason is incorrect but not related
Rearing of honey bee is called ______.
Sericulture
Lac culture
Vermiculture
Apiculture
Which of the statement regarding Lac insect is TRUE?
A microscopic, resinous crawling scale insect
Inserts its proboscis into plant tissue suck juices and grows
Secretes lac from the hind end of body.
The male lac insect is responsible for large scale production of lac.
Aquaponics is a technique which is ______.
A combination of aquaculture and fish culture
A combination of aquaculture and hydroponics
A combination of vermiculture and hydroponics
A combination of aquaculture and prawn culture.
Prawn belongs to the class ______.
Crustacea
Annelida
Coelenterata
Echinodermata
Inland fisheries are ______.
Deep sea fishing
Capturing fishes from sea coast
Raising and capturing fishes in fresh water
Oil extraction from fish
Induced breeding technique is used in ______.
Marine fishery
Capture fishery
Culture fishery
Inland fishery
Isinglass is used in ______.
Preparation
Clearing of wines
Distillation of wines
Preservation of wines
Animal husbandry is the science of rearing, feeding and caring, breeding and disease control of animals. It ensures supply of proper nutrition to our growing population through activities like increased production and improvement of animal products like milk, eggs, meat, honey, etc.
- Poultry production depends upon the photoperiod. Discuss.
- Polyculture of fishes is of great importance. Discuss.
Choose the correctly matched pair
Egg layers - Brahma
Broiler types - Leghorn
Dual purpose - White Plymouth rock
Ornamental breeds - Silkie
Write the advantages of vermicomposting.
Name the three castes in a honey bee colony
Name the following:
The largest bee in the colony.
Name the following:
The kind of flight which the new virgin queen takes along with the drones out of the hive.
What are the main duties of a worker bee?
What happens to the drones after mating flight?
Give the economic importance of Silkworm.
What are the Nutritive values of fishes?
Give the economic importance of prawn fishery.
Give the economic importance of lac insect.
Name any two trees on which lac insect grows.
Define cross-breeding.
What are the advantages of artificial insemination?
Discuss the various techniques adopted in cattle breeding?
Mention the advantages of MOET.
Write the peculiar characters of duck.
Explain the life cycle of bombyx mori.
Solutions for 12: Trends in Economic Zoology
Samacheer Kalvi solutions for Biology (Zoology) [English] Class 11 TN Board chapter 12 - Trends in Economic Zoology
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Biology (Zoology) [English] Class 11 TN Board Tamil Nadu Board of Secondary Education solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Samacheer Kalvi solutions for Mathematics Biology (Zoology) [English] Class 11 TN Board Tamil Nadu Board of Secondary Education 12 (Trends in Economic Zoology) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Biology (Zoology) [English] Class 11 TN Board chapter 12 Trends in Economic Zoology are Scope of Zoology, Vermiculture, Lac Culture, Aquaponics, Aquaculture, Animal Husbandry and Management, Apiculture (Bee Farming), Sericulture.
Using Samacheer Kalvi Biology (Zoology) [English] Class 11 TN Board solutions Trends in Economic Zoology exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Biology (Zoology) [English] Class 11 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
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