2nd pu biology jan 2014.pdf

RDPUCPA EDISTRICT LEVEL PREPARATORY EXAMINATION - JANUARY : 2014

IIPUGroLoGY (36)

Time : 3 Hours Max. Marks :70

General instruction :

1) The qestion paper has four parts, AB C and D2) All the parts are compulsory

, Draw diagram wherever necessary unlabeled diagrams do not attracts any marlu:

I Answer the following questions in one "Jffi*e sentences each:- .10xL=10l. Defineentemophily.

2. Name the membranous cover ofthe ovum.

3. Humanmales areheterogametic. Why ?4. Which enzyme is required for synthesis ofmRNA from DNA template during transcription ?

5. What is founder's effect ?

6. Write the causative organism ofelephantiasis.

7. What are fermentors ? r

8. Give an example for restriction endonuclease.

9. Whatis natality ?

10. What is called for a species confined to a specific geographical regionand not found any where else.

PART.BI Answer any five of the foltowing questions :-

11. What is parttreogenesis ? give an example.

12. Sketchandlabelpistil.

13. Explain the monohybrid test cross.

14. Mention anytwo feature of Ramapithecus.

15. List any four applications of tisue culture.

16. What is gene therapy ? Name the disease to which first clinical gene therapy was given.17 . Mention the type ofnutrient cycles with suitable examples.

18. Define Biomagnification and eutLphication.

PART-CAnswer any five of the following questions :- 5x3:1519. Explain the levels ofbiodiversity.

20. Explain any three major abiotic factors.

5x2=10

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21. Explain the role ofmicrobes in production ofAntibiotics.22. Explainanythreemethods ofanimal breeding.

"23. Explain any three feature ofgenetic code.24. Explain the adaptive radiation in Darwin,s finches.25. Explain any three infertility control methods.26. Draw a neat labeled diagram of structure ofsperm

IV Answer any four of the following ,r..r;T -

"27 . Explain the internar sfi,cture of anther with the help ofa diagram.28. Describe oogenesis

29. a) Listclinical features ofdown,s slmdromeb) Explain incomplete dominance

30. a) Differentiate innate and acquired immunity.b) List the cause and symptoms of AIDSc) What are hallucinogens

3 I ' Explain the steps involved in Recoumbinant DNATechnorogy.32' Explainthe cause and contol measures ofairpollution.

Anlns any three of the fottwing questions.

PART-D2

3 3 ' Explain any Five vegetative reproduction methods in plants.34. Describe chemical theory of origin of life.35' a) what is cancermention the types ofcancerwith examples.

b) Write the effects of dnrg abuse.36. Explain energy flow in terrestrial ecosystem.37 . Explain the main steps ofplant breeding.

4x 5=20

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3

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3x 5=15

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2nd pu biology jan 2014.pdf

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