Tamil Nadu State Board - Class XII
Zoology
(Model Paper)
Time : 3 Hours
Max Marks : 150
PART A
1.
Mention the minimum quantity for dietary intake of iodine to avoid non secretion of thyroxine.
2.
Myasthenia gravis is a / an
3.
Type II Diabetes is due to
4.
Alzheimer’s disease is associated with
5.
The exchange of information between right and left cerebral hemispheres is made possible through
6.
An increase in the number of RBC may lead to
7.
The ability of the eyes to focus objects at varying distances is called as
8.
Abnormal sensitivity to bright light is called
9.
The characteristic texture of the human skin is due to
10.
Polyurea and Polydipsia may be symptoms of
11.
Stones formed in the urinary bladder can be disintegrated by a treatment called
12.
Identify the Protozoan disease
13.
Antiviral proteins released by cells like WBC are called as
14.
How will you name a graft, if an organ is transplanted from a cat to a dog?
15.
Both the T lymphocytes and B lymphocytes are produced in
16.
The term superbugs refers to
17.
Protein data banks are storehouses for
18.
In genetic engineering which of the following is an efficient gene exchanging vehicle provided by nature.
19.
Loss of freshwater sources due to saltwater intrusion may be due to
20.
The blood cell count is made by using
21.
What is the scientific name for the common Viral Meen?
22.
Milk fever in cows is normally due to
23.
A haemocytometer is an instrument meant for
24.
In an accident a person received a serious head injury. What immediate investigative method, the doctor might preseribe to assess the damage?
25.
The caterpillar of Bombyx mori produces
26.
Closely related species living together in one common locality and maintaining their species identity are termed as
27.
The book titled “Genetics and the origin of species†was written by
28.
The recently hatched tiny fishes are termed as
29.
Hatchery technology for sea bass has been developed for the first time in India by
30.
Scylla serrata in a / an
PART - B
31.
What is the role of water in our body?
32.
Define Body mass index (BMI)
33.
What is liver cirrhosis? Mention the symptoms.
34.
Name the proteins that constitue the contractile machinery of a muscle fibre.
35.
What is Herring Breuer reflex?
36.
What is meant by myocardial infarction?
37.
Write a brief note on REM sleep.
38.
How is the Plasmodium falciparum infection dangerous?
39.
Define cell mediated immunity (CMI)
40.
Mention the languages that help in bioinformatics
41.
What is molecular cloning?
42.
What are Bio-medical wastes? How are they disposed off ?
43.
Suggest a situation in which a doctor might advice a CT scan.
44.
What is Royal jelly?
45.
Name the important research centers for sericulture.
46.
What is nuptial flight?
47.
Provide the characteristics of Catla catla
48.
What are allopatric species?
49.
What is composite fish culture ?
50.
Mention the nutritive value of edible oysters.
PART C
51.
Explain the role of Sodium Potassium exchange pump in nervous conduction, with appropriate diagrams.
52.
Provide the calorie requirement for Indian men and women doing moderate work. Suggest appropriate balanced vegetarian diet for them.
53.
Write notes on coronary angiography and angioplasty.
54.
Give a descriptive account on the larvae of tapeworms.
55.
It may rather be difficult to get infected Discuss the statement on the basis of the barriers providing innate immunity.
56.
Write notes on waste water treatment and management.
57.
What measures can you suggest for arresting ozone depletion?
58.
What are the factors to be considered while brooding the hatched chicks?
59.
Write briefly what you know about ECG with a graph.
60.
What is Hardy Weinberg law? Discuss its importance in population genetics.
61.
Mention the various techniques employed in mariculture.
62.
Write notes on cultivable fishes of India.
PART D
63.
Enumerate the process of digestion of food in the gastro intestinal tract.
64.
Describe the functioning of eye as a visual receptor. Add a note on eye care.
65.
What is the need for Birth Control? Enumerate the various methods of contraception?
66.
Write an essay on AIDS, its symptoms, control and management.
67.
Give an account on cloning. Comment on its merits and demerits
68.
"Global warming is the direct result of Green house effect". Discuss the statement. What related problems do we foresee?
69.
Write an essay on Cattle wealth of India.
70.
Write an essay on common fresh water ornamental fishes.
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