Therithal - Important questions with answers: 11 th Std Class Zoology

11 th Std Class Zoology - Importance questions with Answer Key

UNIT 1. BIODIVERSITY

UNIT 2. CELL BIOLOGY

UNIT 3. HUMAN ANATOMY

UNIT 4. GENETICS

GENETICS -- - Download - Key Answer
Quantitive inheritance - GENETICS -- - Download - Key Answer
Genetics : Sex determination in Human beings -- - Download - Key Answer
Male haploidy or Haplo-diploidy mechanism -- - Download - Key Answer
Genetics : Sex - linked Inheritance -- - Download - Key Answer
Genetics : Pleiotropy -- - Download - Key Answer

UNIT 5. DEVELOPMENTAL BIOLOGY

-- - Download - Key Answer
Types of eggs -- - Download - Key Answer
Cleavage and types - Frogâ€™s egg -- - Download - Key Answer
Gastrulation in frog embryo -- - Download - Key Answer
Organogenesis of Frog -- - Download - Key Answer

UNIT 6. ECONOMIC ZOOLOGY

UNIT 7. ORIGIN OF LIFE

ORIGIN OF LIFE - Theories -- - Download - Key Answer
Geological time scale : Palaeozoic era, Mesozoic era, Cenozoic era -- - Download - Key Answer
Fossils : Fossilization, Evolutionary significance of fossils, List of Important fossils -- - Download - Key Answer
Extinct animals-mass extinction : Causes and Pattern of extiniction -- - Download - Key Answer

UNIT 1. BIODIVERSITY

Give very short answers.

1. Define biosphere?

2.Why do we consider Aristotle as the father of biological classification?

3.What is the characteristic feature of biological taxonomy?

4. What are triploblastic animals?

5.Why do we call nematocysts as stinging cells?

6.What is a trochophore?

7.What are amniotes?

8.Why do we call birds as glorified reptiles?

9.Name the subclasses under mammalia.

10. Mention any one characteristic feature of the primates.

11. What are cryptozoites?

12. What is Ookinete?

13. What is tertian malaria?

14. What are ‘lateral hearts’?

15. What is ‘pecten’?

Answer breifly

1.Provide a breif account on the biodiversity in India.

2.What are the various concepts of species?

3.Give an account of the basic principles of nomenclature.

4. Differentiate bracketed and indented keys for identifieation with a suitable example.

5. Write notes on Phylum Annelida.

6.Give abrief account on Protochordates.

7.Write notes on Primates.

8.What are the types of malaria?

9.Provide an account on external openings on the body of earthworm .

Write notes on flight muscles in pigeon.

Answer in detail

1.Define species and provide an account on various animal groups.

2.Write an essay on the various methods of taxonomy.

3.Give a detailed account on the general characters chordates.

4.Explain the life cycle of Plasmodium in man.

5.Describe the external features of Columba livia.

6. Give a detailed account on the reproductive system and the process of reproduction in earthworms.

UNIT 2. CELL BIOLOGY

Part – short answer

Give very short answer

1. Write a note on phase contrast microscope.

2.What is ‘limit of resolution’ in the functioning of a microscope ?

3.Name the various parts of a compound microscope.

4.What are vital stains ?

5.Name two biochemical processes happening within the mitochondria.

6.What are RER and SER ?

7.What is ‘autolysis’ ?

8.When do we call centriole as a basal body.

9.What are the types of chromosomes based on the nature of their arm ?

10. What is a ‘fluid mosaic model’ of a plasma membrane ?

Part – Short Notes

1.Write notes on cell theory.

2.Explain the various units of measurement in cell biology .

3.Differentiate TEM and SEM.

4.Provide the structure of the golgi apparatus.

5.Write notes on the organisation of a centriole.

Part - Detail

1.Give an account of types of microscopes.

2.Describe how a specimen is prepared for microscopic study.

3.Write an essay on structure and functioning of mitochondria.

Provide a detailed account on the organisation of cell nucleus.

UNIT 3. HUMAN ANATOMY

1. What is keratinization ?

2.What are floating ribs ?

3. What is a synovial joint ?

4.Differentiate skeletal and visceral muscles.

5.Name the kissing muscles

6.Provide the human dental formula

7.What is carina ?

8.Provide the root of systemic circulation

9.What is the role of B-lymphocytes ?

10. What is a neuromuscular junction ?

11. What is choroid plexuses ?

12. What is melbomian gland ?

13. What is Rathke’s pouch ?

14. What are podocytes ?

15. What is the role of prostate glands ?

Part - Short

1.Give an account of the nail and its structure

2.Describe the structure of typical human vertebra

3.Give an account of the muscles of the lower limb

4.Give description of the human liver

5.Describe the paired and unpaired cartitages of larynx

6.Write notes on portal circulation

7.Give on account of the thymus

8.What is the structure of a peripheral nerve ?

9. Explain the organization of the lacrimal apparatus in human eye

10. Describe the endocrine nature of the pancreas

11. Provide the structure of human kidney

12. Give an account of corpus luteum

Part - Detail

1. Write an essay on the structure and organization of the axial skeleton in human beings.

2.Give an account of the organs of digestion in the buccal cavity

3.Write an essay on structure and types of blood vessels

4.Provide a detailed description of the anatomy of human brain

5.Give an account of the structural organization of the hypophysis

6. Write an essay on the human male primary sex organs and associated structures.

UNIT 4. GENETICS

Give very short answer.

1. What are multiply alleles ?

2. Provide the genotypes for himalayan albino rabbits

3. Mention the possible genotypes of the offsprings if the parental blood groups are B and B.

4. What is the cause for the death of a child in erythroblastosis fetalis?

5. What was the opinion of biometricians in genetics

6. Who are mulattoes?

7. What is Hermaphroditism?

8. What is arrhenotokus parthenogenesis?

9. What are holandric genes.

Answer briefly

1. What will be the nature of the F₂ progency, if a coloured rabbit is crossed with an albino?

2. Discuss how ‘O’ blood group is considered as an universal donor.

3. What is erythroblastosis fetalis?

4. Write notes on quantitative inheritance.

5. Provide an account on turner’s syndrome and klinefelter’s syndrome.

6. Describe the process of sex determination in Bonellia

Answer in detail

1. Give an account of ABO blood groups in human beings.

2. Explain genic balance mechanism of sex determination.

3. What is sex - linked inheritance ? Give an account of x - linked inheritance in Drosophila.

UNIT 5. DEVELOPMENTAL BIOLOGY

Give very short answer

1.Provide a list of various stages in the embryology of animals

2.Why do we consider aristotle as the founder of the science of embryology.

3.What are the several diversified fields formed from modern embryology.

4.What are microlecithal eggs?

5.What is a morula?

6. Define meridional cleavage.

7. Mention Balfour’s law regarding cleavage

8.What is a ‘fate map’ ?

9. What is involution ?

Answer briefly

1.Give an account of the megalecithal egg.

2.What is a centrolecithal egg.

3.Provide a general account on cleavage.

4.What is sach’s law?

5. What are the ectodermal and endodermal derivatives in the organogenesis of frog embryo

Answer in detail

1.Provide a detailed account on the types of eggs.

2.Give an account on the cleavage of fertilized egg.

3.Describe how the process of gastrulation occurs in the egg of an amphibian

Describe the structural organisation in the neurula of frog.

UNIT 6. ECONOMIC ZOOLOGY

Give very short answer

1.What is a fringing reef ?

2. Mention the use of vermicompost.

3.How are insects useful to flowering plants in reproduction ?

4. Name any two edible crabs.

5.Provide the names of one live bearer and one egg layer from among the orna-mental fishes.

6.Provide the names of zoos in the states of Tamilnadu and Andhra Pradesh(one each).

7. Name the two types of venom released by poisonous snakes.

8.Provide atleast one major role of CMFRI.

9.Name any two cultivable animals.

10. What is Corallum rubrum ?

Answer briefly

1. What is Biological control ? Explain with an example.

2. Provide an account on Indian prawns of commercial importance.

3. Give an account of cultured pearls.

4. Write notes on omega fatty acids.

5. What is guano ? comment on its economic importance.

6. Write notes on Xenopsylla cheopis

7. Give an account on fouling organism.

8. Draw and label the poison apparatus in a snake.

Answer in detail.

1. Give an account of insects and insect products of commercial importance.

2. What are the nutritive values of fishes.

3. Give a detailed account on setting up an aquarium and maintaining the same.

4. Write an essay on insect pests of stored products and household goods.

UNIT 7. ORIGIN OF LIFE

1.What was the nature of the primordial earth according to J.B.S Haldane ?

2.Why do we call the palaeozoic era as the cradle of ancient life.

3.What was Archceopteryx ?

4.What is ‘ice age’ ?

5.What is dating of fossils ?

6.What is the significance of seymouria ?

7.What is Mac Author’s law ?

8.What is precambrian period ?

Part II

1.What is abiogenesis ?

2.Give an account of Urey-Miller hypothesis.

3.What is the evolutionary significance of fossils?

4.Give an account of the significant events of the Palaeozoic era.

1.Give an account of various epochs included in Cenozoic era.

Part III

1.Give an account of the Mesozoic era.

2.What is mass extinetion ? Provide the causes for such extinctions.

Write an essay on fossils and methods of fossilization.

List of Department

Wednesday 30 March 2016

11 th Std Class Zoology - Importance questions with Answer Key

No comments:

Post a Comment