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Posted By: Mohammed Saleem .M Member Level: Gold Posted Date: 02 Mar 2008
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2006 Tamil Nadu State Biology -June2006 Question paper
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Part III - BIOLOGY
( New Syllabus)
( English Version)
Time Allowed : 3 Hours [ Maximum Marks: 150]
PART - I ( BOTANY )(Marks: 75)
SECTION-A
Note:
i) Answer all the questions.
ii) Choose and write the correct answer.
iii) Each question carries one mark. 14 x 1=14
1. The alcoholic beverage prepared by the fermentation of rice In Japan Is called
a) Bran
c) Sake
b) Beer
d) Wine.
2. Which of the following bacteria Oxidizes ammonia to nitrite?
a) Nltrosomonas
c) Clostridium
b) RhIzobium
d) E. Coli.
3. The strongest pain killer obtained from opium poppy Is
a) Quinine
c) Morphine
b) Digoxin
d) Ephedrine.
4. The leaves and roots of the plant of Euphorbiaceae used in the treatment of
leprosy and snakebite Is
al Phyllanthus amarus
c) Aloe vera
bl Jatropha gossypifolia
dl Jatropha curcus.
5. The botanist who introduced binomial system is
al Adolf Engler b) Gaspard Bauhin
c) Carolus Linnaeus dl George Bentham.
6. Root hairs are originated from
al trichoblasts bl endodermis
c) hypodermis d) pericycle.
7. The tenn 'chromosome' was introduced by
al Bridges b) Fleming
c) Balbiani d) Waldeyer.
8. Restriction enzymes are synthesized by
al bacteria bl yeast
c) eukaryotic cells d) viruses.
9. The meristem that is present along the longitudinal axis of stem and root is
called .
al procarnbium b) apical meristem
c) phellogen d) intercalary meristem.
10. Photoperiodic response in flowering was first observed in
al Wheat b) Maryland Mammoth
c) Oats d) Chrysanthemum.
11. Anthers are monothecous In
al Lillaceae b) Malvaceae
c)Euphorbiaceae d) Solanaceae.
12. ~thal mutation is obseIVed in
a) Pisum
c) eicer
b) Sorghum
d) Mlrabilis.
13. Which one of the following processes is employed to introduce a foreign gene
into a cell ?
a) Electrolysis b) Photolysis
c) Electroporation d) Ligation.
14. During cyclic electron transport which one of the following is produced ?
a) NADPH 2 only
b) ATPonly
c) NADH 2 only
d) both ATP and NADPH 2 .
SECTION-B
Note:i) Answer any seven questions.
ii) Each question carries three marks.
15. Define tautonym. Give example.
16. What are brachysclereids ? Give example.
17. Draw the structure of chromosome and label its parts.
18. Name the enzymes involved in the making of a DNA hybrid.
19. Explain respiratory quotient.
20. Mention any two unique facets of Bio-potency.
21. What is photolysis of water?
22. Draw the diagram ofbicollateral vascular bundle.
23. Mention the binOmials of three medicinal plants in Solanaceae.
24. Define •bolling'.
SECTION-C 7 x 3 = 21
Note: I) Answer any four questions Including Question No. 25 which
Is compulsory.
ii) Draw diagrams wherever necessary.
|iii) Each question carries five marks.
25. State the tmportance of herbarium.
26. Write any five outcomes of application of plant tissue culture.
27. Explain Ganong's resplroscope experiment.
28. Write a short note on vernalization.
29. Draw and label the parts of a transverse section of a dlcot leaf.
30. Write a short note on gene mutation.
31. Write any five aims of plant breeding.
SECTION-D
Note: i) Answer any two questions.
II) Draw diagrams wheJ:ever necessary.
iii)Each question carries ten marks.
32. Describe AllIum Cepa in technical terms.
33. Describe the primary structure of a monocot stem.
34. Give an account of single cell protein.
35. Describe the light reactions of photosynthesis.
2 x 10 = 20
PART - II (ZOOLOGY)
(Marks: 75)
SECTION-A
Note: i) Answer all questions.
11) Choose and write the correct answer.
111) Each question carries one mark. 16 x I = 16
1. The chromqsome 6 to 12 that belongs to the group classified by Karyotyptng in
man is
a) D b) C
c) A d) B.
2. Proteins are linear chain molecules made up of units called
a) fatty acids b) citric acids
c) amino acids d) nitric acids.
3. Ozone loss was first detected in the stratosphere over the
a) Atlantic Ocean b) Antarctic Ocean
c) Pacific Ocean d) Indian Ocean.
4. India's !Irst power plant generating electricity from ocean energy is
commissioned at
a) Tamil Nadu b) GUjarat
c) Kerala d) Andhra Pradesh.
5. The daily secretion of saliva ranges from
a) 1000 - 1500 mI b) 1000 - 1700 mI
c) 1000 - 1800 ml d) 1000 - 1900 mi.
6. The smallest leucocytes are
a) Eosinophils b) Neutrophils
c) Lymphocytes d) Monocytes.
7. Alzhelmer's disease Is associated with
al inflammation of meninges
b) bleeding of brain vessels
cl spinal cord malfunctions
d) atrophy of cerebral cortex.
8. The percentage of urea In urine Is
al 2%
cl 2•7%
d) 2•8%.
9. The fully formed bird emerges out of the egg after a hatching period of
a) 19 - 20 days b) 21 - 22 days
c) 20 - 21 days d) 23 - 24 days.
10. The scientific name of Tilapia Is
a) Channa Strlatus b) Oreochromis Mossamblcus
c) Channas Channas d) Catla Catla.
11. Polycythemia Is an indication of
a) decreased WBC b) decreased RBC
c) Increased RBC d) Increased WBC.
12. Prodigality of nature Is otherwise called as
al over production
c) natural selection
13. Paravlruses may have
a)1 - 2 genes
c) 3 - 4 genes
b) struggle for existence
d) survival of the fittest.
b) several hundred genes
d) several thousand genes~
14. The bacterial disease caused by Yerslnla Pestis Is
al Typhoid
c) Plague
b) Cholera
d) Gastroenteritis.
15. Some of the antifungal antibiotics are
a) Miconazole and Imidazole
bl Amantidine and Cycloguanasine
cl Anthramyc1n and Sibomycin
dl Tomaymyc1n and Nystatin.
16. Plastic surgery is an example for
a) Isograft b) Allograft
cl Xenograft dl Autograft.
SECTION-B
Note: l) Answer any eight questions.
ii)Each question carries tlvee marks.
17. What is Kwashiorkor? Mention its symptoms.
18. What is Cataract? Mention its types.
19. Mention any two pathogenic protozoans.
20. Define Cell Mediated Immunity ( CMI I.
21. Write a short note on haplotype.
22. Write any two uses of Karyotyping of Human Chromosomes.
23. What is Protein Data Bank?
24. What is non-biodegradable waste? Give an example.
25. Define "Biodiversity.
26. Mention any two symptoms of Milk fever.
27. What is Computed Tomography Scan ?
28. State Germplasm theory.
SECTION-C 8x3=24
Note; il Answer any three questions including Question No. 31 which
is compulsory.
ii) Each question carries five marks.
29. Give an account of origin and conduction of heartbeat.
30. Write a note on control and management of AIDS.
31. Draw a labelled diagram of Immunoglobulin ( rgG I.
32. Write a note on scope of Bio-informatics.
3 x 5 = 15
33. What are the three types of selection processes in Natural Selection? Explain.
SECTION-D
Note; il Answer any two questions.
ill Each question carries ten marks. 2xlO=20
34. Enumerate the various eye defects. Comment on corrective measures.
35. Comment on various schemes suggested by the National Family Welfare
Programmes and thetr importance.
36. Write an essay about Fresh Water Management.
37. Give an account of the structural aspects of fish farm and explain any two edible
fishes of Tamil Nadu.
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