· sre vidyasaagar hr.sec.school, sankari biology- botany 3 marks : taxonomy of angiosperms 1....

SRE VIDYASAAGAR HR.SEC.SCHOOL, SANKARI

BIOLOGY- BOTANY

3 MARKS : TAXONOMY OF ANGIOSPERMS

1. ? Wha t ar e t he def ec ts of ar t if ic ia l sys te m of c lass if ic at ion of pla nts?

2. . . Def ine b iosys te mat ics an d ment io n s its ai ms .

3. ' ' ? Wha t is Bi no mia l no menc lat ure? 4. . Wr it e t he ob jec t ives of c lass if icat ion of p la nts . 5. . Def in e p hy lo gen et ic sys te m of c l ass if icat io n. 6. ? How is ICB N evo lve d? 7. ' ' ? W hat is ca ll ed no men a mb ig uu m? 8. ' ' . . Def ine ta uto ny m. G ive an exa mp l e. 9. ? Def in e Her bar iu m. 10. . Wr ite

precaut i ons t o b e t aken i n pr eserv in g sp ec i mens in her bar iu m.

11. ' ' ? . Wh at is ca l le d a uth or c ita ti on? G ive an exa mp le .

12. ' ' ? Wha t is a type spec i me n? 13. ? Wr it e t he co untr ies w hich s ti l l f ol l ow

the Be nth a m and Hoo ker s c lass if icat ion of p la nts .

14. ? Wha t are the thr ee c lasses of p han erog a ms / s eed ed pl ants ? 15. ? Wr i te th e

f ami li es of gy mnosper mae as in Be nth a m and Hoo ker 's c lass if ica ti on of p lan ts .

16. ? W hat is po lype ta la e? 17. - . Wr it e shor t n otes on mo noch la myd eae . 18. . Br ief ly men ti on the sys te ma tic pos it io n of L aur ine ae. 19. ? Wha t are the de mer its of nat ura l sys te m of c lass if icat io n ? 20. . Me nt ion th e sys te mat ic p os it i on of Ma lvacea e. 21. - Wr it e a no te on andr oec i u m

of Hib iscus rosa-s ine ns is .

22. - . Desc r ib e t he gynoec iu m of Hib i scus rosa-s ine ns is .

23. . Na me any thre e f ibr e p l ants of Ma lvacea e . 24. . Men t ion th e b in o mia l of any t hree

med ic i na l p la nts of Ma lvacea e.

25. , . Wr i te any thre e bin o mia ls of f ood p la nts of Ma lvaceae .

26. - Draw the f l oral dia gra m an d w r ite t he f lora l f or mul a of Hib iscus rosa -s in ens is .

27. ? ? Wh at is ep ica lyx? Is it prese nt in A but i lo n ind icu m?

28. ? Wh at is atro pi ne? 29. . G ive the sys te ma tic pos it ion of S ol anac eae . 30. . Wr it e t he b ino mi als of any thr ee

med ic i na lly usef ul p la nts in So la nace ae.

31. . Desc r i be the gyn oec i u m of me mbers of So la nacea e. 32. . Wr ite th e d if f erent types of

inf l orescence f ou nd i n So lan aceae . G ive exa mp les f or each.

33. . Dr aw the f lora l d iagr a m and w r ite the f lora l f or mul a of Datur a meta l.

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34. , . Wr i te any t hr ee bin o mia ls of f ood p la nts of So lan acea e.

35. Na me t he al ka l oi ds f oun d in tob acco 36. . Co mp are the an droce iu m of Malvac eae

and So la nacea e.

37. . Wr ite th e sys te mat ic p os it i on of Eup horb i acea e. 38. ? . Wh at is c la dod e? G ive an exa mp le . 39. .

Wha t ar e d if f erent types of inf lorescence see n in Eu phor bi aceae ? G ive exa mp le f or each .

40. . (or ) . Ment i on the b ino mi als of tw o rubber pl ants of Eu phor b iacea e (or ) Na me tw o rubber y i el d ing p lan ts of Euph orb iace ae

41. . Desc r i be the i nf loresce nce of Ric inus co mmu nis . 42. . Desc r i be the cyath iu m inf l orescence . 43. . Wr i te d if f erent typ es of

inf l orescence s een i n Eup horb iace ae. G ive exa mpl es f or e ach.

44. . Na me th e med ic i n al pla nts f ro m Eu phor bi acea e.

45. . Draw the f lor al d ia gra m of f e ma le f low er of Ric i nus co mmun is .

46. ? . W hat is po lyg a mo us ? G ive an exa mp le . 47. ? Wh at is mon ocorp ic p eren ni al ? Giv e

an exa mp le .

48. . Wr i te the sys te ma tic pos it io n of Musaceae . 49. . Ex pl ai n t he gyno ec iu m of Musa para dis iaca . 50. Dra w the

f lora l d ia gra m of b isexua l f low er of Musa par ad is i aca a nd w r ite f lora l f or mul a.

51. ? ? Wha t is pseudos te m? How is i t f or me d in Musa par ad is i aca ?

52. . Lis t o ut the econ o mic i mp or ta nce of Musa p arad is iaca.

53. ? Wh at are the thr ee c lasses of seede d p la nts? 54. . () ( ) Wr ite t he

bota nic al na mes of (a) Tap oic a (b) Cas tor

5 MARKS :

1. . Wr ite a ny f ive sa l ien t f eatures of ICB N.

2. . Br in g o ut the s i gn if icance of her bar iu m. 3. . . Def in e b iosys te mat ics . Br ief ly w r ite a n ote

on it .

4. ? . Wha t ar e t he types of c lass if ica ti on of p lan ts? A dd no te on each type

5. . Br in g o ut th e mer i ts of B ent ha m an d Ho o ker 's c lass if ica ti on of p lan ts .

6. . G ive a d eta i le d accou nt on econ o mic i mp or ta nce of Ma lvaceae .

7. . G ive a n acco unt of th e ec ono mic i mp or ta nce of the f a mi ly So la nacea e.

8. Desc r ib e t he ma le f low er of Ric i nus co mmun is . 9. . Desc r ibe th e f e ma le f low er of Ric i nus co mmu nis 10. Wri te a br i ef account on

dif f erent types of i nf lorescenc es of Euph orb iacea e


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11. . Wr ite a de ta il ed accoun t o n t he econo mic i mpor t ance of Eu phor bi aceae .

12. . Wr ite t he dif f erences betw een Musa an d Rave na la .

13. Desc r i be the an droec iu m a nd gynoec iu m of Musa par ad is i aca.

14. . Wr i te the eco no mic i mp or ta nce of me mb ers of Musace ae .

10 MARKS :

1. . Discuss the o ut li ne of Be nth a m and Ho oker s c lass if ica ti on of p lan ts

2. - . Desc r ibe Hib iscus rosa-s ine ns is in bo tan ica l ter ms .

3. Lis t o ut ch arac ter is t ic f ea tures of me mbers of Malv ace ae 4. . Desc r i be Datur a meta l i n b ota nic al ter ms . 5. Wr it e t he ge nera l ch arac ter is t ic f ea tures of

So lan aceae .

6. Desc r ib e Ric i nus co mmun is in bota nic al ter ms .

7. . G ive an accoun t of the ge nera l ch arac t er is t ic f ea t ures of Eup horb iace ae

8. . Desc r ibe Mus a p arad is i aca in tech n ical t er ms . 9. . Wr i te the ge nera l c harac t er is t ic f ea tures of Musace ae.

3 MARKS : PLANT ANATOMY

1. . Def ine p la nt ana to my 2. . Def i ne a t is su e. 3. ? Wha t is d if f erent ia ti on? 4. ? . Wha t is a n a erenchy ma? St ate its f unc t io n. 5. ? . Wh at are c al le d mac rosc ler ei ds? G ive a n

exa mp le .

6. ? Wha t is ca l led ca ll ose? 7. ? Wh at are cal le d tr ich ob las ts? 8. ? W hat are ca ll ed guar d ce l ls? 9. ? Wha t is a mer is te mat ic t is sue ? 10. ? Wh at are ca l le d la tera l mer is te ms? 11. ? Def i ne a p er ma nen t t is sue . 12. ? Wha t are the types of s i mpl e t is sues an d co mplex

t is sues?

13. ? Wh at is a s te l la te pare nchy ma? 14. ? Wha t is a chl orenchy ma? 15. , , Wri te th e

dif f erences b etw een l a me l lar c ol le nchy ma , a ngu lar co ll enchy ma an d lacu nat e co l lenchy ma.

16. . Dif f erent iat e sc l ere ids f ro m f ibres . 17. ? Wh at are brachy sc l ere ids? 18. ? Wh at are sur f ace f ibres? 19. Draw diagr a m f or Brachy sc l ere ids and l ab el

the par ts .

20. . Draw dia gra m f or Bico l la tera l vascu lar bu nd le an d lab el th e par ts .

21. Draw diagr a m f or Lacun at e col lenchy ma a nd l abe l the par ts .


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22. . Draw diagr a m f or A n gu lar co l le nchy ma and lab e l t he par ts .

23. . Draw any thr ee types of secondary w all t hic ken i ngs in trach ei ds .

24. . Br in g o ut th e t hree charac t ers of mer is t e ma tic cel ls . 25. . Dif f erent ia te exarch a nd end arch xy l e m. 26. ? W hat are ca ll ed caspar ian s tr ips? 27. ? W ha t are ca ll ed passag e ce l ls? 28. ? W hat is a r hizo der mis? 29. ? Wh at is a hyp oder mis? 30. ? W hat is a pr otoxy le m l acun a? 31. ? W hat is an eus t el e? 32. - .

Draw groun d p la n of T. S of sunf low er s te m a nd l abe l the par ts .

33. . Draw and l ab el th e p ar ts of op en vascular bun dl e.

34. ? . Wha t is a dors iven tra l leaf ? G ive an exa mp l e 35. ? . Wha t is a n isob i lat era l le af ?

Giv e a n exa mp le.

36. ? W hat is a mesop hy l l? 37. ? W hat are s to mat a? 38. ? Wh at are guar d ce l ls? 39. ? Wh at are th e f unc t ions of s to mata ? 40. , . Dif f erent ia te pa lis ade par enchy ma

f rom sp ongy pare nchy ma .

41. ? W hat is a res pir atory cav ity or su b -s to mata l cav ity?

42. ? W hat is a bun d le sh eat h or bor der pare nchy ma i n a l eaf ?

43. ? Wh at are the f unc t ions of vei ns in a leaf ? 44. ? Def i ne bu nd le sh eat h. 45.

. Dr aw and l abe l the gro und p la n of T. S. of Dicot r oot . 46.

. Wr it e a ny thr ee d if f erences be tw een the vascu lar bu nd les of Dico t s te m a nd Monoco t s t e m.

5 MARKS :

1. . Br in g o ut the char ac ters of mer is te mat ic ce lls 2. . Ex pl ai n d if f erent types of mer is te m s

based on th eir pos it io ns w ith d iagr a m.

3. . Wr i te sh or t not es o n tr ache ids . 4. . Wr i te shor t no tes o n vesse ls . 5. . Ex pl ai n the s truc tur e of s ieve e le ments . 6. . W it h exa mp le , exp la i n t he

s truc ture of concen tr ic vascul ar b und les .

7. . Draw and la be l the par ts of tra nsverse sec t io n of monoco t ro ot.

8. . Draw the transverse s ec ti on of d icot r oot an d la be l t he par ts .

9. , Dis t ing uish th e ana to my of dic ot r oots f ro m mo nocot roo ts .


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10. . W hat is the n atur e of t h e vascular bun dl es in mon ocot s te m?

11. Wri te sh or t not es o n t he cor tex in d icot s te m. 12. . Wr i te sh or t not es on t he vasc ular

bund les of th e d ico t s te m.

13. . Dif f erent i ate th e vascu lar bun dl es of t he d icot s t e m f ro m th at of mo nocot s te m.

14. Draw and lab e l t he par ts of a T. S. of a d icot s te m.

15. . Wr it e shor t n ot es on th e e p ider mis of a d i cot leaf .

16. . Wr i te sh or t not es o n t he vasc ular t is sues of a d ico t le af .

17. . Wr it e sh or t not es on th e mesop hy l l of a d icot l eaf .

18. . Dr aw a neat ske tch of ana to my of sunf low er leaf an d la be l t he par ts .

10 MARKS :

1. , . Wr i te an essay on t he loca t ion , s truc t ure and f unc t ions of pare nchy ma .

2. , . Desc r i be th e locat i on, s truc tur e a nd f unc ti ons of col le nchy ma.

3. . G ive an accoun t o n sc l erenchy ma. 4. . Wr i te an essay on xy le m t is sues . 5. . Desc r ib e t he f our ki nds of ce l ls f oun d in ph lo e m tis su es . 6. . Wr i te an essay on th e ep ider ma l t is sue sys te m. 7. . Desc r ibe th e vascu lar t is su e sys te m. 8. . Desc r i be grou nd t is sue sys te m. 9. . Desc r ibe t he pr i mary s truc t ure of a mon ocot r oot. 10. . Desc r i be the pr i mary s truc tur e of a d icot roo t. 11. ,

. Wr i te ana to mica l dif f erences betw een d icot s te m an d monoco t s t e m. 12. Desc r ibe t he pr i mary s truc ture of a mon ocot

s te m.

13. . Desc r ibe th e pr i mary s truc t ure of a d ico t s t e m. 14. . Desc r ib e t he i nter na l

s truc ture of a dico t le af .

3 MARKS : CELL BIOLOGY & GENETICS :

1. ? W hat are a utoso mes? 2. ? Wh at are sex chro moso mes? 3. B - ? Wha t ar e B-chr o moso mes? 4. ? Wh at is a p oly ten e chro moso me? 5.

. Draw dif f erent typ es of chro moso mes base d o n t he s hap e a nd pos i t ion of centr o mer e. 6. ? . W hat are do ub le mi n ute

chro moso mes? Wha t ar e its sp ec if ic f ea tures?

7. . Def ine a gen e. 8. ?

Why h as "o ne gen e o ne enzy me hypo thes is " b een mo dif ied i nto "o ne gen e o ne po lype pt ide hyp oth es is "?


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9. . Def i ne gen o me 10. . S tat e t he percen tag e of hu man gen o me

per f or mi ng var i ous ac t iv it ies .

11. ? W hat is l i nkage ? 12. ? Wha t is cou p li ng? 13. ? Wha t is re pu ls i on? 14. ? Wh at is c ross i ng over? 15. ? W ha t is a gen et ic map? 16. ? Wha t ar e t he uses of g ene ma pp ing ? 17. ? W hat are li nked gen es? 18. ? W hat is c hi as mat a? 19. ? W hat are t ig ht ly li nked gen es? 20. ? Wha t ar e loos ely l in ke d g enes? 21. ? Wh at is mut at io n? 22. ? . W ha t is a b ioche mica l mu tat io n? G ive an

exa mp le .

23. ? . W hat is a le tha l mu tat io n? G ive an exa mp le . 24. . Def ine a gen e muta t ion . 25. ? Wh at is a tr ans i t ion ? 26. ? Wr ite tw o

phys ica l a nd tw o chemica l f ac tors w hich in duce mut at io n.

27. ? Wh at is a chro moso mal ab er rat io n? 28. . Wr ite i n t hree sen tences abo ut du pl ic ati on

of genes i n a chro moso me .

29. ? . W hat is a hypop l oi dy? Sta te its tw o type s . 30. ? Wr ite any thre e s ign if ica nce of pl oi dy . 31. . . Def ine nu mer ica l chro moso mal ab er rat io n a nd w r ite

its types .

32. S - ? W hat is s - s tra in of Dip lococcus? 33. DNA ? W hat are t he e mp ir ica l ru les of Char gaf f

regard in g t he c o mp os it io n of bases in DNA ?

34. ? Ex p la in gen et ic tr ans f or mat io n. 35. ? Wha t ar e ca l led Okaz ak i f rag men ts? 36. DNA ? How is repl ica ti on f or k f or me d in DNA

s trand at th e t i me of re pl ica ti on?

37. ? ? W hat is pos it ive su perco i l? How is it rele ased?

38. DNA - . S ta te the f unc t ions of DNA . 39. RNA ? Wha t ar e isoaccep tor t RNA s? 40. RNA - ? Wha t ar e t he f our ar ms f ound in

the c lover l eaf s truc t ure of t RNA ?

41. RNA - . Wr ite dow n the d if f erent ty pes of RNA . 42. RNA . Wr it e a n ote on Riboso ma l RNA 43. . Draw the s truc t ure of

chro moso me a nd l abe l its par ts .

44. RNA . Draw tRNA a nd la be l its par ts . 45. . Dr aw the po ly te ne

chro moso me a nd l abe l its par ts .

46. . Draw and lab e l t he la mpbr ush chro moso me.


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5 MARKS :

1. . Draw and w r ite sh or t not es on t he s tr uc ture of chro moso mes .

2. . Wr it e shor t n otes on th e typ es of chro moso mes base d o n sh ape , p os it i on of centro mere w ith di agra m.

3. . Desc r ibe spec i a l typ es of chro moso mes w ith dia gra ms .

4. . Wi th th e hel p of di agra ms , d esc r ibe t he s tr uc ture of po ly t ene an d la mp br ush chr o moso mes .

5. . Draw and l abe l th e p ar ts of a chro moso me.

6. . Wr i te s hor t no tes o n g eno me. 7. . Wr it e shor t n otes on c ross ing over . 8. ? . Wh at is c ross ing over? Wr it e t he

s ign if icanc e of c ross i ng over .

9. . Wr it e sh or t not es on ge ne map pi ng . 10. . Ex pl a in the coup l in g asp ec t in

Lathy rus od orat us .

11. . Exp la in th e re p lus ive asp ec t in Lathy rus od orat us

12. . Wr ite shor t n otes on Reco mbi nat io n of chro moso mes .

13. . Wr it e shor t n otes on ge ne mut at ion . 14. . Wr it e sh or t not es on mu tag en ic a gen t s . 15. ? Wha t is t he s ign if ica nce of mut at ion ? 16. . Wr ite shor t no tes on invers io n. 17. . Wr it e t he s ig nif icance of p lo idy . 18. DNA , RNA ? Wr ite th e d if f erences b etw een DNA an d RNA . 19. . Exp la in tra ns l ocat io n chro moso mal

aber ra ti on w ith the he l p of d ia gra ms .

20. . Wr i te a det ai le d account on an eup l oi dy . 21. . Wr i te the f low char t of p lo idy 22. . Wr it e shor t n otes on eu pl o idy . 23. . Exp la in Fr eder ic k Gr if f it h exp er i men t o n mouse . 24. DNA . Wr it e shor t n otes on rep l icat io n of DNA . 25. DNA . Wr i te an account on t he s tr uc ture of DNA . 26. DNA - ? Why is DNA

repl ica ti on ca l le d as Se mi d iscont i nuo us rep l icat io n?

27. RNA . Wr i te shor t no tes o n the s truc tur e of t - RNA .

3 MARK : BIO TECHNOLOGY

1. DNA . Def in e r eco m b in an t DNA. 2. DNA - ? Nam e t h e en zy m es in v o lv ed in t h e m ak in g o f a DNA

h y br id.

3. ? W h at ar e r est r ic t io n en do n uclease s? 4. . ? W h at is t h e im p o r t an ce o f Esch er ich ia co li i n

bio t ech n o lo gy ?

5. ? W h at is t h e ro le o f r est r ic t io n en zy m es in bact er ia? 6. ? Def in e sp lic in g . 7. ? Ho w do bact er ia

p ro t ect t h em selv es f ro m t h e at t ack o f v iruses .


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8. . L ist 3 gen et ically en gin eere d p ro d uct s an d t h eir u ses .

9. . Def in e bio p e st ic i des. 10. . Def in e t r an sgen ic p l an t s. 11. ? W h at is t h e im p o rt an ce o f Agro bact er ium t um efac ien c s? 12. DNA - ? W h at is gen e g un m et h o d o f deliv ery o f DNA? 13. . Giv e t h e bin o m ial s o f

t h ree dico t t r an sgen ic p lan t s.

14. ? W r it e an y 3 ben ef it s o bt ain ed by r e lea se o f gen et ica lly m o dif ie d o rgan i sm s in t o t h e env iro n m ent .

15. . W r it e an y th ree m o n o cot t r an sgen ic p lan t s. 16. ? ? W h at is delt a en do t o x in an d wh at ar e it s u ses ? 17. ? W h at is bio rem ed iat io n ? 18. Bt ? W h at is t h e ro le o f Bt to x in in cro p p ro t ect io n ? 19. . Def in e call u s. 20. ? W h at is a so m at ic em bry o ? 21. . W r it e a n o t e on t ot ip ot en cy . 22. ? W h at is de dif f er en t ia t io n ? 23. Men t io n t wo m edia o f p lan t t issue

cult ure .

24. ? W h at is st er ili zat io n ? 25. . Def in e in o cu lat io n . 26. . L ist t h e im p o rt an t t issue cu lt ure cen t r es in

In dia .

27. ? W h at is h arden in g? 28. . Nam e t h e cult ure m e di um s u se d in

p lan t t issue c ult ure .

29. . Def in e SCP . 30. ? W h at is so m at ic h y br idi zat io n ? 31. ? W h at is a b io react o r o r f erm en t er? 32. ? W h at is a fuso gen ic a gen t ? 33. ? Ho w do y o u r em o v e cell - wa ll f ro m in t act cells? 34. ? W h y is SCP n o t p o p ular fo r h um an

co n sum p t io n s?

35. . Men t io n t h ree n am es o f a lga e u se d in t h e SCP p ro d uct io n .

36. . . Def in e SCP an d st a t e an y o f it s t h ree uses . 37. ? W h at is p ro t op lasm ic fu sio n .

5 MARKS :

1 . ? ? W h at is a c lo n in g v ect o r? W h y are t h ey n ecessary ?

2 . . ( o r ) ? Giv e an ill u st r at ed acco un t o f gen e clo n in g. (o r ) Ex p lain t h e st ep s in v o lv ed in t h e p ro duct io n o f h um an in s ulin by a bact er ia l ce ll .

3 . ? W h at is t h e ro le o f Agro bact er ium fo r gen e t r an sfer in p lan t s?

4 . DNA ? (o r ) . Ho w i s DNA cut ? (o r ) Descr i be wit h di agram t h e act io n o f r est r ic t io n en zy m es.

5 . ? W h at is t h e ro le o f t r an sgen ic p l an t s in fo o d in d u st ry ?


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6 . . Giv e a br ief acco un t o f h erbici de r e si st an ce in t r an sgen ic p lan t s.

7 . ? Ho w are fo rei gn gen e s in t ro du ced in t o t h e p lant s? 8 . ? W h at is t h e m ajo r p ro cedure

fo r r ear in g cal l us gro wt h ?

9 . . Br ief ly m en t io n th e p r in cip les in v o lv ed in p lan t t iss ue c ult ure .

1 0 . . W r it e a sh o r t acco un t o f t h e o r igin o f t iss ue c ult ure . 1 1 . . Giv e an y f iv e o ut co m es o f ap p licat io n o f p lan t t issue cu lt ure . 1 2 . SCP . Giv e an ac co un t o f SCP . 1 3 . . Ex p lain t h e en zy m at ic m et h o d o f iso lat io n o f

p ro t op last .

1 4 . . Men t io n so m e o f th e p ract ical ap p licat io n s o f p ro t op lasm ic fu sio n .

10 MAR KS :

1 . DNA . W r it e an essay o n DNA reco m bin an t t ech n o lo gy . 2 . ( a)

. ( b) . ( a) W r it e abo ut t h e use o f gen et ically en gin eere d bact er ia l st r a in by An an d Mo h an Ch ak rabar t y . (b) W r it e t h e ben ef it s f ro m t h e r elease o f gen et ica lly m o dif ied m icro o rgan i sm in t o t h e en v iron m ent .

3 . ? W h at ar e th e o ut co m es o f ap p licat io n o f p lant t issue c ult ure? 4 . W r it e an essay o n p lan t t issue c ult ure . 5 .

. Ex p lain as t o h o w p ro t o p lasm ic fu sio n can br in g abo ut so m at ic h y br i dizat io n in p lan t s. 6 .

? W h at will be t h e ro le o f SCP t o safeg uar d a gain st h um an p ro t ein def ic ien cy fo r t h e fut ure? (o r ) Giv e an acco un t o f sin g le cel l p ro t ein .

3 MAR KS : P LANT P H YS IO LO G Y

1 . ? Wh at are gen era lly cal le d accessory pi g me nts? 2 . ? W hat is pho to lys is of w ater /hydr olys is of w ater? 3 . . Def ine l i ght reac t io n. 4 . . Def ine dar k reac t io n. 5 . ? St at e t he co nd it io ns un der w hich cyc l ic

phot oph osphory la ti on occur .

6 . . Wr it e t he overa l l e qua ti on of ph otosynt hes is . 7 . ? Why are ch l orop las ts i n C4 p lan ts ca ll ed d i mor ph ic ch loro pl as ts? 8 . . C2 ? Def i ne pho toresp ira t ion . (or ) Wh at is C2 c yc le. 9 . , ? Wr i te any t hree d if f eren ces

betw een ph otor espir at ion a nd dar k resp ira ti on .

1 0 . ? Wh at are cal le d tot al par as i tes? 1 1 . ? Def in e ch e mosynt hes is . 1 2 . ? Wh at are i nsec t ivores p l ants? 1 3 . ? W hat is ph oto phosp hory lat io n? 1 4 . . L is t the ph otosyn the tic p ig ments . 1 5 . . Def in e resp ira ti on. 1 6 . ? Wha t is g lyco lys is? 1 7 . . Wr i te th e over al l reac t io n of glyco lys is .


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1 8 . ? Wha t is t he f u nc ti on of a ldo lase in the proc ess of glyco lys is?

1 9 . ? W hat is Kre bs cyc le? 2 0 . ? Wh at is t he ro le of acon it ase in Kre bs cyc le? 2 1 . ? Wh at is ox id at ive phosp hory lat io n? 2 2 . . Exp la in an aero bic resp irat io n? 2 3 . . Def ine resp ira tory q uot ie nt . 2 4 . ( ) . G ive t he r esp iratory coef f ic ie nt of carbohy drat e

(glucos e) .

2 5 . . ? The resp ira tory q uot ie nt f or an aerob ic r espir at io n is inf i ni ty . G ive re asons .

2 6 . ? W hat is f ermen tat io n? 2 7 . A TP . Wr ite ab out th e s tr uc ture of A TP. 2 8 . . Wr i te the cha in of e lec tr on car r iers in

elec tron tra nspor t cha in .

2 9 . A TP NA DPH2 ? Ex pan d A TP and NA DPH 2 . 3 0 . ? . W ha t is a grow th in hi b itor ? Give a n exa mp le. 3 1 . . Wr ite any tw o phys io log ica l ef f ec ts

of absc is ic ac i d.

3 2 . ? Wh at is Rich mon d L ang ef f ec t? 3 3 . . Wr ite any thr ee phys io l og ica l ef f ec ts of

gib bere l l ins .

3 4 . . Def in e Bo lt ing . 3 5 . ? W hat is ap ica l d o min ance? 3 6 . . Def in e gr ow th regul at or . 3 7 . ? W hat are ca ll ed phy to hor mones? 3 8 . . Wr it e a ny thr ee phys i ol og ica l ef f ec ts of

cy tok in in.

3 9 . ? Wha t ar e t he thr ee s t ages of s ig mo id c urve? 4 0 . . Def ine p hot oper io dis m. 4 1 . ? W hat are cal l ed lo ng day pl ants and shor t d ay p la nts? 4 2 . . Def in e ver na liza t ion . 4 3 . Wr it e a bou t t he tech ni ques of verna l izat io n 4 4 . ? Wh at is d evern al iza ti on? 4 5 . . Wr i te any tw o advantag es of vern al iza ti on. 4 6 . ? . Is it poss i b le to sh or te n t h e

t i me of c ro p matur ity? S upp or t yo ur a nsw er .

4 7 . ? Wh at are di morp hic chl orop las ts? 48 . :

() ( ) Co-A Wr it e t he ro le of f ol low ing e nzymes in r espir at ion : (a) A ld ol ase

(b ) Su cc iny l Co A s yn the tas e

5 MAR KS :

1 . . Wri te sh or t not es o n s i te of ph otosynt hes is . Desc r ibe th e s tr uc ture of ch lorop l as t w ith d ia gra m

2 . . Wr i te sh or t no tes o n p hot osynth et ic e lec tr on tran spor t sys tem.

3 . C3 C4 ? W hat are th e d if f erences b etw een C3 and C4 pa thw ay?


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4 . O2 . Ex pl ai n the tes t tu be and f unn el exper i men t t o d e mo ns trat e t hat oxyge n is evo lved dur i ng pho tosynth es is .

5 . . Wr it e shor t n otes on Gano ng's l ig ht sc reen exper i me nt. 6 . . Wr i te s hor t no tes o n insec t ivoro us p la nt. 7 . . Ex p la in the process of che mosyn thes is . 8 . . Br i ng ou t t he s ign if ica nce of pho tosynt hes is . 9 . . Ex p la in cyc l ic pho top hosph ory la t ion . 1 0 . . Desc r i be any tw o types

of heter otro ph ic n utr it io n in ang ios per ms .

1 1 . Dif f erence b etw een cyc lic and no n cyc l ic p hot oph osphory la ti on.

1 2 . C4 . Dr aw C4 c yc le. 1 3 . Wr ite shor t no tes on el ec tron tra nspor t cha in . 1 4 . . Ex pl ai n Gan ong s r espir oscope exper i ment 1 5 . . Wr it e the s ig n if icance of pe ntose ph osph ate

pathw ay .

1 6 . . Wr ite shor t no tes on ana erob ic resp ir at ion . 1 7 . , . Exp l ai n

respira tory quo ti ent f or carbo hydra tes , orga nic ac i d a nd f at ty ac id.

1 8 . ? . W hat is co mp ensat io n po int ? Ex pl a in. 1 9 . ? . W hat is f er men tat io n? Exp la in . 2 0 . . Ex p la in Ku hne 's f er men tat i on tub e exp er i men t w ith

dia gra m.

2 1 . . Exp la i n ox ida t ive d ecarboxy lat io n of py ru v ic ac id .

2 2 . . Dr aw the overa l l r eprese nta ti on of resp irat io n. 2 3 .

Wri te sh or t no tes o n e nergy y ie ld f ro m o ne mo lecu le of g lucose on co mp l ete ox i dat i on. 2 4 . Ex pl ai n the exper i ment to me a sure

the ac tu al l ong i tud in al grow th of p lan t by l ever a uxon o me ter .

2 5 . . Br i ng out th e p hys io lo g ical ef f ec ts of aux in. 2 6 . . Wr ite t he phys io l og ica l ef f ec ts of g ibb ere l li n. 2 7 . . Wr i te s hor t no tes o n p hys io lo g ical ef f ec ts of cy tok i nin . 2 8 . . W ha t ar e t he phys i ol og ica l ef f ec ts of et hy l ene . 2 9 . , . Exp la i n t he dif f eren t p hases of gr ow th w ith

s ig mo i d curve.

3 0 . . Wr it e sh or t not es on phy tochro mes a nd f low er ing. 3 1 . . Wr i te sh or t no tes o n vern al iza ti on.

10 MAR KS :

1 . . (or ) . Desc r ibe th e l igh t re ac t ions of pho tosynt hes is (or ) Ex pl a in cyc l ic a nd no ncyc lic pho top hosph ory l at ion .

2 . ( ) . Wr it e an account on dar k reac t io ns of phot osynth es is ( Calv in 's cyc le) .

3 . C4 . (or ) - . Wr i te a n essay on C 4 p athw ay (or ) Hatch S lac k p athw ay .

4 . C2 . Wr it e a n essay on pho toresp ira t ion or C 2 c yc le . 5 . . Wr i te an accoun t o n t he f ac t ors af f ec tin g p hot osynthes is . 6 . . Desc r ibe d if f erent mo des of n utr it io n in

ang iosp er ms .

7 . ? . Wr it e an account on glyco lys is 8 . . Desc r i be the sequ ences of reac t io ns of Kr ebs cyc le


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9 . . Ex pl a in pen tose phos pha te pat hw ay . 1 0 . . Wr ite an essay o n a ux ins

and gi bber e ll ins w ith th eir phys io log ica l ef f ec ts

1 1 . , . Wr ite an accou nt on cy t ok in in , ethy len e a nd absc is ic ac id w ith th eir phys io log ica l ef f ec ts .

1 2 . . Wr it e a n acco unt on ph oto per iod is m an d v ern ali zat io n .

3 MAR KS : B IO LO G Y IN H UMAN W EL FAR E

1 . ? Wh at are mut ag ens? 2 . ? W hat is ge net ic e ng in eer ing ? 3 . . Def i ne b iof er t il izer . 4 . ? Wha t is b io insec tic id e? 5 . ? . W hat is B io-w ar? G ive ex a mp le . 6 . ? Wh at is h et eros is? 7 . ? Men ti on tw o uniq ue f ace ts of b io -p ate ncy . 8 . ? Wha t are ed ib le i nter f ero ns? 9 . . Wr i te a n ote on pur e l ine se lec t ion . 1 0 . ? Wh at is so i l rec la mat io n? 1 1 . ? W hat is B io-p iracy? 1 2 . . Def i ne c lon a l se lec t io n. 1 3 . . Wr i te a not e o n muta ti ons bree di ng. 1 4 . ? Wh at is a recur r ent par ent ? 1 5 . ? How w as w heat deve lop ed by p olyp oid

breed in g?

1 6 . ? ? W hat is A zolla ? How is it used as b iof er t i l izer in In di an r ice f ie lds?

1 7 . ? ? W hat is mic or r izh a? Wh at are its types? 1 8 . ? Wh at is prop hy l ax is? 1 9 . . Def in e d iseas e res is tanc e. 2 0 . ? W hat is xeno b iot ic s? 2 1 . ? Wha t are transg en ic p la nts? 2 2 . ? Wha t ca n w e achieve thr oug h sus t ai nab le

agr icu l ture ?

2 3 . . Def i ne bi o me dic in e. G ive exa mp le . 2 4 . . Wr ite th e med ic i na l va lu e of A eg le mar me los . 2 5 . . Wr i te the me dic in al uses of So la nu m n igru m. 2 6 . ? W hat is hu mu li n? 2 7 . ? . Wh at is r ice bran o i l? Men ti on i t s

uses .

2 8 . . Ment io n med ic i na lly val uab l e co mpou nd obt ai ned f ro m t he med ic ina l p lan t

2 9 . . Ment io n the med ic i na l uses of Cissus qua dran gu lar is a nd s t ero ids presen t in i t .

3 0 . . Men ti on the me d ic in a l uses of Mi mosa pu dica .

5 MAR KS :

1 . . Exp l ai n so mat ic hybr id iza ti on. 2 . W hat is d isease res is tance an d d ise ase res is t ant

var ie ti es?

3 . . A dd a n ote on Pla nt in trod uc t ion . 4 . . Ex p la in po lyp lo id bree di ng .


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5 . . Give an accou nt of Mycor rh iza. 6 . ? Wr i te the a i ms of pl ant bre ed in g. 7 . . How is g ene tic eng i n eer i ng

e mp loyed as a t oo l in mo dern c rop i mprove ments?

8 . ? How are c rops i mprov ed thro ugh sel ec t ion ? 9 . " " - . 'S us ta ina b le agr icu lture is a n

eco- f r iend ly f ar min g sys te m' - Discuss .

1 0 . . Wr i te s hor t no tes o n Bi o -pa tency . 1 1 . . G ive a n acco unt of Ti kka d isease of grou nd nut . 1 2 . . Wr ite any f ive b enef its of Bi o - f er t il izers . 1 3 . Wr it e shor t n otes on mic robes in me d ic in e. 1 4 . . Br in g o ut the eco no mic i mp or ta nce of tea k. 1 5 . . Wr ite a br ief accoun t o n

groun dnu t.

1 6 . . Wr it e t he econ o mic i mp or ta nce of r ice. 1 7 . ? . Wh at are

ant ib io tic s? G iv e exa mpl es w ith th eir uses .

1 8 . . Wr ite any f ive ec ono mic i mpor t ance of cotton .

1 9 . . Wr ite any f ive econo mic i mpor t an ce of groun dnu t.


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· sre vidyasaagar hr.sec.school, sankari biology- botany 3 marks : taxonomy of angiosperms 1....

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