What are the claim of alien assay in acceptable development? Give examples – catechism in Zoology Cardboard I of UPSC Civil Services IAS Main Written Assay 2015. Candidates can acquisition the catechism cardboard of Zoology alternative Cardboard I as asked in UPSC IAS Civil Services Main Written Assay 2012.
Zoology is one of the alternative capacity that candidates can accept to address in the UPSC IAS Civil Services Main Written Exam. Question cardboard of Cardboard I of Zoology alternative of UPSC IAS Civil Services Main Written Assay 2012 is accustomed below. The best marks of the assay was 300. The continuance of the assay was 3 hours.
Zoology Cardboard I
SECTION – A
1. Answer the afterward in about 150 words each: (12×5=60)
(a) Draw labelled sketches of Alima and Phyllosoma larvae. Identify the neuro-endocrine factors that annual meta-morphic changes in them.(b) Compare the anatomy and action of uricotelic and ureotelic branch with acceptable examples and diagrams.(c) Differentiate amid pheromones and hormones. How do they advice in advice and behaviour?(d) What are the evidences adjoin the acceptable abstraction that pituitary gland is the ‘master of endocrine orchestra’? Highlight the accepted abstraction on this endocrine gland.(e) “Birds are adored reptiles.” Justify the statement.
2. Answer the afterward questions:
(a) Give an illustrated annual of alternation of neuroendocrine secretions in announcement alteration in an orthopteran and a lepidopteran insect. Mention the blazon of alteration that these insects undergo. (20)(b0 What is torsion? How does it action in assertive gastropods? How does it action in assertive gastropods? Give an illustrated annual of bewilderment and detorsion in this molluscan class. (20)(c) Enumerate the anatomical and physiological changes that action in a venous affection during bearcat change arch to actualization of affection with abstracted accommodation for arterial and venous claret and a baton mechanism. (20)
3. Answer the afterward questions:
(a) Draw a labelled diagram of hypo-thalamohypophyseal ovarian axis, and animadversion on the following: (30)(i) Effect of photoperiod(ii) Role of hormones in ovarian cycle(iii) Feedback adjustment of hormonal cycle
(b) Compare the tornaria larva of Balanoglossus with bipinnaria larva of echinoderm. Give affidavit for including Hemichordata as a audible phylum of invertebrates. (30)
4. Answer the afterward questions:
(a) Fasciola, Taenia and Ascaris are acclimatized to abject approach of life. Define the allied and aberrant strategies active by these parasites for acknowledged actuality and propagation. (20)(b) Differentiate amid anapsid, diapsid and synapsid reptiles. Give examples. (20)(c) Differentiate amid anatomy and functions of parathyroid hormone and thyroid gland hormones. (20)
SECTION – B
Answer the afterward in about 150 words each: (12×5=60)
(a) Draw diagrams to differentiate amid ecological pyramids based on predatorprey accord and activity breeze in an ecological niche.(b) What are the claim of alien assay in acceptable development? Give examples.(c) With acceptable examples and diagrams, explain the abstraction of ecological succession.(d) How is the amount of abandon affected in a chi-square analysis? Use a blueprint to catechumen ⱬ²-values to p-values.(e) Compare the amusing alignment of termites and honeybees.
6. Answer the afterward questions:
(a) Differentiate amid conditioning and acclimatization with acceptable examples from primates and rodents. (20)(b) What is biological alarm and how does it function? Discuss the role of built-in and acquired factors in its entertainment. (20)(c) Delineate the arch accomplish in initiating sericulture. Add a agenda on assorted aspects of appearance techniques to get affection artefact in sericulture. (20)
7. Answer the afterward questions:
(a) Discuss the role of biotechnology in argumentative science giving acceptable examples. (20)(b) Identify and address the characteristics of ectoparasites of cattles. Describe the affection of their infection and means to amusement them. (20)(c) How do animals cross in the dark? Use owl and chiropterans as examples, and highlight the appearance of their abyssal acoustic equipment. (20)
8. Answer the afterward questions:
(a) With acceptable example(s), enumerate the adjustment for administering one-way and two-way F-tests. (15)(b) What is PCR? Give an illustrated annual of assorted accomplish of this address in DNA amplification. (15)(c) Tabulate the differences amid prototherians, metherians and eutherians wth acceptable examples. (15)(d) Describe the role of alarmist and endocrine pancreas in blood-glucose regulation. (15)
Importance of Zoology Catechism Paper
It is important for the candidates to go through the antecedent years catechism affidavit of Zoology alternative of UPSC IAS Civil Services Main Written Exam. Candidates are brash to align the questions asked in antecedent years of Zoology alternative Cardboard I according to the capacity accustomed in the syllabus. This will advice the candidates in recognising the best important capacity for the UPSC IAS Civil Services Main Written Exam.
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