È ŸÊapple Ë ÅÿÊ Total No. of Questions : 3 Îc UÊapple Ë È ÅÿÊ 16 + 8 = 24 Total No. of Pages : 19 ÿ w v w ÉÊ appleu Time : 2 1 2 Hours ÍáÊÊZ Full Marks : 60 Ê Êãÿ ÁŸŒapple Ê GENERAL INSTRUCTIONS : 1. UˡÊÊÕË ÿõê fl Ÿapple ÊéŒÊapple apple UË UûÊ U Œapple Candidates are required to give their answers in their own words as far as practicable. 2. ß Ÿ òê apple ŒÊapple ª È U 'A' fl 'B' Ò U fl ŒÊappleŸÊapple ª È Êapple apple Ë ŸÊapple Ê UûÊ U ŒappleŸÊ ÁŸflÊÿ ÒU i) ª È U A ( ÊÒÁÃ Ë fl U ÊÿŸ ) ó yæ ii) ª È B ( Ëfl ÁflôÊÊŸ ) ó wæ The question paper has two Groups A and B and it is compulsory to answer all the questions of both the Groups. i) Group A ( Physics and Chemistry) 40 Marks ii) Group B ( Biology ) 20 Marks 3. àÿapple Ÿ apple Á ÿapple ÁŸœÊ Á Uà U apple Ê Ÿapple Á Ã Ò Marks allotted to each question are printed against it. 4. ŸÊapple apple UûÊ U ŸÊapple apple ÊÕ ÁŒÿapple ªÿapple ÁŸŒapple Ê apple Ê Êapple apple UË Á πapple Write the answers of questions in the context of instructions given with the questions. 5. È U ŸÊapple apple flò ÁÀ ãã øÿÿ ÁŒÿapple ªÿapple Ò U apple apple ŸÊapple apple Ê Êapple ÁŒÿapple ªÿapple øÿÿ apple apple apple fl Ÿ UË UŸÊ ÒU Internal options have been given for some questions. You are to attempt only one option in such questions. 6. ª È A apple v apple y Ã, ª È B apple v fl v} à Áà ÉÊÈ UûÊ UËÿ Ê U apple Ÿ Ò U ߟ ŸÊapple apple UûÊ U àÿapple ÊéŒ apple flêäÿ apple ŒappleŸapple Ò U Question Nos. 1 to 4 of Group A and Question Nos. 17 & 18 of Group B are Very short answer type questions. Answer these questions in one word or in one sentence each. A Sc. & TECH. 06 [ P. T. O.
4 7. ª È A apple z apple } à ÊÒ U ª È B apple v~ fl wæ ÉÊÈ UûÊ UËÿ - II Ê U apple Ÿ Ò U ߟ ŸÊapple apple UûÊ U àÿapple xæ apple yæ ÊéŒÊapple apple ŒappleŸapple Ò U Question Nos. 5 to 8 of Group A and Question Nos. 19 & 20 of Group B are Short Answer-II type questions. Answer each one of these questions in 30 to 40 words. 8. ª È A apple ~ apple vy à ÊÒ U ª È B apple wv apple wx à ÉÊÈ UûÊ UËÿ - I Ê U apple Ÿ Ò U ߟ ŸÊapple apple UûÊ U àÿapple yæ apple zæ ÊéŒÊapple apple ŒappleŸapple Ò U Question Nos. 9 to 14 of Group A and Question Nos. 21 to 23 of Group B are Short Answer-I type questions. Answer these questions in 40 to 50 words each. 9. ª È A apple vz fl v{ ÊÒ U ª È B apple wy ŒËÉÊ UûÊ UËÿ Ê U apple Ÿ Ò U ߟ ŸÊapple apple UûÊ U àÿapple ª ª Æ ÊéŒÊapple apple ŒappleŸapple Ò U Question Nos. 15 & 16 of Group A and Question No. 24 of Group B are Long Answer type questions. Answer these questions in 70 words each. 10. UÊ UË Ë ÁøòÊ Êfl ÿ UÊapple, Uã apple U Sflë UÃÊ apple ÊÕ S c U M apple πë Áø Draw neat and clean diagrams wherever necessary. 11. Ë U» Êÿ Ÿ- U- UûÊ U- ÈÁSÃ Ê apple à apple ÁŒÿapple ªÿapple Îc UÊapple U UË ËÁ, ãÿòê UË Ÿ UË Do all the rough work on the pages given at the end of the question-cum-answerbooklet and nowhere else. ª È A ( ÊÒÁÃ Ë fl U ÊÿŸ ) Group A ( Physics & Chemistry ) Ÿ 1. Áfl flê à U Ê SI ÊòÊ ÄÿÊ ÒU? ( UûÊ U ÊéŒ ÿê flêäÿ apple ŒËÁ ) 1 Q. 1. What is the SI unit of potential difference? ( Answer in one word or in one sentence ) 1 Ÿ 2. Á ŸÊ È Êapple ÈU øíÿapple Ê UÊ ÊÿÁŸ ÍòÊ Á Áπ ( UûÊ U ÊéŒ ÿê flêäÿ apple ŒËÁ ) 1 Q. 2. Write the chemical formula of quicklime. ( Answer in one word or in one sentence ) 1 Ÿ 3. U SÕÊŸ Ê ŸÊ Á Áπ Êapple Ê Uà apple ÃÁ UˇÊ Êÿ Êapple Ê øê Ÿ UÃÊ ÒU ( UûÊ U ÊéŒ ÿê flêäÿ apple ŒËÁ ) 1 Q. 3. Name the organisation which looks after the space programme in India. ( Answer in one word or in one sentence ) 1 A Sc. & TECH. 06
5 Ÿ 4. Á ÕÊß À Êapple U Ê UÊ ÊÿÁŸ ÍòÊ Á πapple ( UûÊ U ÊéŒ ÿê flêäÿ apple ŒËÁ ) 1 Q. 4. Write the chemical formula of methyl alcohol. ( Answer in one word or in one sentence ) 1 Ÿ 5. w Ë Ë» Êapple ŒÍ UË flê apple Á Ë flã apple Ë ˇÊ ÃÊ ôêêã ËÁ ( UûÊ U xæ apple yæ ÊéŒÊapple apple ŒËÁ ) 2 Q. 5. Find the power of a concave lens of focal length 2 m. ( Answer in 30 to 40 words ) 2 Ÿ 6. Uà»È À Ÿ ÄÿÊ UÊappleÃÊ ÒU? apple apple ÿêòáª Ê ŸÊ ŒËÁ Êapple Uà»È À Ÿ ŒÁ Ê Ã UÃÊ UÊapple ( UûÊ U xæ apple yæ ÊéŒÊapple apple ŒËÁ ) 2 Q. 6. What is efflorescence? Name one compound which shows efflorescence. ( Answer in 30 to 40 words ) 2 Ÿ 7. Ê Î Áà ÃÕÊ Î ÁòÊ U ª UÊapple apple à U Á Áπ ( UûÊ U xæ apple yæ ÊéŒÊapple apple ŒËÁ ) 2 Q. 7. Distinguish between natural and artificial satellites. ( Answer in 30 to 40 words ) 2 Ÿ 8. Á ã UË ŒÊapple œêãè Êapple apple ŸÊ Á Áπ Êapple ÊÄ Ë Ÿ apple ÊÕ Á Á ÿê Ÿ UË UÃË Ò U ( UûÊ U xæ apple yæ ÊéŒÊapple apple ŒËÁ ) 2 ÀçÿÍÁ U ê Êapple U ÊÿŸÊapple Ê UÊ Ê ÄÿÊapple UÃapple Ò U? ( UûÊ U xæ apple yæ ÊéŒÊapple apple ŒËÁ ) Q. 8. Write the names of two metals which do not react with oxygen. ( Answer in 30 to 40 words ) 2 Why is sulphuric acid known as the King of Chemicals? ( Answer in 30 to 40 words ) Ÿ 9. ŸÁŒÿÊapple U Ê œ ŸÊ U -ÁfllÈà Uà ÊŒŸ apple ŒÊapple Ê fl ŒÊapple UÊÁŸÿÊ Á Áπ U ͡ Œ ÊË apple ŸŸapple flê apple ÁÃÁ Ë Î Áà ÃÊß ß apple Êflœ Ÿ apple Á ÿ Á Áπ ( UûÊ U yæ apple zæ ÊéŒÊapple apple ŒËÁ ) A Sc. & TECH. 06 [ P. T. O.
6 Q. 9. Mention any two advantages and disadvantages of producing hydroelectricity by building dams on rivers. ( Answer in 40 to 50 words ) Mention the nature of image formed in Simple Microscope. Write the expression for its magnification. ( Answer in 40 to 50 words ) Ÿ 10. ÕÊ Ê ß U Á Á ÿê ÄÿÊ ÒU? UÊ ÊÿÁŸ Ë UáÊ Á Áπ fl U ÿêappleª ÃÊß Q. 10. What is thermite reaction? Write the chemical reaction and give one use. ( Answer in 40 to 50 words ) 3 Ÿ 11. Ê Ê apple ÍáÊ Ê ÃÁ U UÊflà Ÿ apple Ê ÄÿÊ ÊÃapple Ò U? ß apple ŒÊapple ÊÃÊappleZ Êapple Á Áπ Q. 11. What do you mean by total internal reflection of light? Write two conditions for it. ( Answer in 40 to 50 words ) 3 Ÿ 12. Áfl Î Áà Πà appleà Êapple UÊÚ Ê ÄÿÊ ÃÊà ÿ ÒU? ß Êapple Ò apple ŸÊÿÊ ÊÃÊ ÒU? Q. 12. What is meant by denaturated alcohol? How is it prepared? ( Answer in 40 to 50 words ) 3 Ÿ 13. ÿᜠÁ Ë ÁfllÈà UË U U Ê ( ª flsõê apple ) Áà UÊappleœ zæ Êapple UÊapple ÃÊapple wwæ flêappleà U Ë apple apple U apple Á ÃŸË ÁfllÈà œê UÊ flêá Uà UÊappleªË? 3 Q. 13. How much current will an electric heater draw from 220 volt mains, if the resistance of the heater ( when hot ) is 50 ohms? 3 Ÿ 14. ÁŸêŸ Á ˇÊ Ëÿ Í UÊapple apple ŸÊ ŒËÁ 3 1 = 3 (i) CHO (ii) CO (iii) COOH. Q. 14. Give the names of the following functional groups : 3 1 = 3 (i) CHO (ii) CO (iii) COOH. Ÿ 15. (i) ÁfllÈÃ Ê ÍÁà apple ÉÊÈ ÕŸ ÊÒ U ÁÃ Ê UáÊ apple ÄÿÊ ÃÊà ÿ ÒU? S c U ËÁ (ii) ÁfllÈà çÿí Ê Êÿ S c U ËÁ ( UûÊ U Æ ÊéŒÊapple apple ŒËÁ ) 5 ŸÊÁ Ëÿ Áflπ «UŸ ÃÕÊ ÿÿ apple à U ËÁ 5 ( UûÊ U Æ ÊéŒÊapple apple ŒËÁ ) Q. 15. (i) What are shortcircuiting and overloading in an electric supply? (ii) Explain. Illustrate the action of an electric fuse. ( Answer in about 70 words ) 5 Distinguish between nuclear fission and fusion. 5 ( Answer in about 70 words ) 3 A Sc. & TECH. 06
7 Ÿ 16. apple ÈÁ ÁŸÿ apple Èπ ÿs Ê ŸÊ Á Áπ ß Ê Ê㺠áê Á ÁflÁœ apple Á ÿê ÊÃÊ ÒU? Ê Áº à ÿs apple apple ÈÁ ÁŸÿ Ê ÁŸc áê Ò apple Á ÿê ÊÃÊ ÒU? Ë UáÊ ŒËÁ ( UûÊ U Æ ÊéŒÊapple apple ŒËÁ ) 5 appleu Ê UÊß U ÿs Ê UÊ ÊÿÁŸ ÍòÊ Á Áπ flêàÿê ^ÔUË apple appleu Ê UÊß U ÿs apple Êÿ UŸ apple ÁŸc áê apple UÊappleŸapple flê Ë UÊ ÊÿÁŸ Á Á ÿê Êapple Êapple Á Áπ ( UûÊ U Æ ÊéŒÊapple apple ŒËÁ ) z Q. 16. Name an important ore of aluminium. By which process is this ore concentrated? How is aluminium extracted from this concentrated ore? Give equation. ( Answer in about 70 words ) 5 Write the chemical formula of haematite. Write the chemical reactions that take place in the blast furnace for the extraction of iron from haematite. ( Answer in about 70 words ) 5 ª È B ( Ëfl ÁflôÊÊŸ ) Group B ( Biology ) Ÿ 17. CFC Ê ÍáÊ ŸÊ Á Áπ ( UûÊ U ÊéŒ ÿê flêäÿ apple ŒËÁ ) 1 Q. 17. Write the full form of CFC. ( Answer in one word or in one sentence ) 1 Ÿ 18. apple «U Ëÿ Ê U Êapple ÊŸÈfl Á Ê ÍøŸÊ Êapple Êapple øêá Uà UÃapple Ò U, Êapple Ê U Á ŸÊ apple ÊŸÃapple Ò U? ( UûÊ U ÊéŒ ÿê flêäÿ apple ŒËÁ ) 1 Q. 18. By what names are the Mendelian factors known which are the carriers of hereditary information? ( Answer in one word or in one sentence ) 1 Ÿ 19. flêÿflëÿ ÊÒ U flêÿflëÿ fl Ÿ apple Êappleß ŒÊapple ãã U Á Áπ ( UûÊ U xæ apple yæ ÊéŒÊapple apple ŒËÁ ) 1 + 1 = 2 Q. 19. Write any two differences between aerobic and anaerobic respiration. ( Answer in 30 to 40 words ) 1 + 1 = 2 Ÿ 20. ê Ëÿ fl Ê ÄÿÊ ÒU? ß apple UÊappleŸapple flê Ë Á ã UË ŒÊapple UÊÁŸ Êapple Á Áπ ( UûÊ U xæ apple yæ ÊéŒÊapple apple ŒËÁ ) 1 + 1 2 + 1 2 = 2 Q. 20. What is acid rain? Write any two harmful effects of acid rain. ( Answer in 30 to 40 words ) 1 + 1 2 + 1 2 = 2 Ÿ 21. Sfl UʪáÊ ÊÒ U U UʪáÊ apple Ê ÄÿÊ ÊÃapple Ò U? UŒÊ U UáÊ Œapple U ÊÊß ( UûÊ U yæ apple zæ ÊéŒÊapple apple ŒËÁ ) 1 1 2 + 1 1 2 = 3 Q. 21. What do you understand by self-pollination and cross-pollination? Illustrate with examples. ( Answer in 40 to 50 words ) 1 1 2 + 1 1 2 = 3 A Sc. & TECH. 06 [ P. T. O.
8 Ÿ 22. à ÁòÊ Ê- ÊappleÁ Ê Ê Ê Sflë U fl ŸÊ Ê Á à ÁøòÊ ŸÊß ( fláê Ÿ Ë Êfl ÿ ÃÊ Ÿ UË ÒU ) 3 Q. 22. Draw a neat and labelled diagram of Neuron. ( Description is not necessary ) 3 Ÿ 23. UQ - Í U ÄÿÊ ÒU? Êfl ÁòÊ ŒÊÃÊ fl Êfl ÁòÊ ª Ê UË apple Ê ÄÿÊ ÊÃapple Ò U? ( UûÊ U yæ apple zæ ÊéŒÊapple apple ŒËÁ ) 1 + 1 + 1 = 3 Q. 23. What is blood-group? What do you understand by Universal donor and Universal acceptor? ( Answer in 40 to 50 words ) 1 + 1 + 1 = 3 Ÿ 24. Êapple áê apple Ê ÄÿÊ ÊÃapple Ò U? Êapple áê Ë ÁflÁ ÛÊ ÁflÁœÿÊapple Ë UŒÊ U UáÊ Á Uà ÿêåÿê ËÁ ( UûÊ U Æ ÊéŒÊapple apple ŒËÁ ) 2 + 3 = 5 Ê Ê- apple áê Ë Á ÿê Á ßapple ø UáÊÊapple apple UÊappleÃË Ò U? ÿêåÿê apple U ( UûÊ U Æ ÊéŒÊapple apple ŒËÁ ) 2 1 2 + 2 1 2 = 5 Q. 24. What do you understand by nutrition? Explain various types of nutrition with example. ( Answer in 70 words ) 2 + 3 = 5 In how many steps does the process of Photosynthesis take place? Explain. ( Answer in 70 words ) 2 1 2 + 2 1 2 = 5 A Sc. & TECH. 06