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CONCURSUL INTERJUDE EAN DE BIOLOGIE G.E.PALADEFEBRUARIE 2015 FAZA PE COAL

CLASA A V-A

I.ALEGERE SIMPLLa u!"#$a%&% '(#%)"* +1-20, a&%%* u( /*(u "/u(/ $%# 3*( 4a*a(#%&% $u/%

1. Mediul biotic cuprinde: 2.Alege i afirma ia corect despre floare A. /$&u& A. /%a&%&% 6$!%a7" $$&aB. aa B. /#a!*(%&% 6$!%a7" '(4%&*8u& 6&$**C. a%u& C. */#*&u& $a#% $(*(% !a* !u% $4u&%D. a(*!a&%&% D. %3u(u&u& %/#% a#%a &"*#" a

%%#au&u&u*.

3. Recunoa te . componentele din imaginea alturat i alege afirma ia corect.A. a - '( #*!u& %!*(a*%* &a 6a/$&% "!9(% '( /$&B. - *%/% *!u& 3*( /"!9(" '( #*!u& %!*(a*%*C. ) - %/#% %!%a)*& 8* /% 3%/:*3% '( #*!u& %!*(a*%*D. 3 - '( #*!u& %!*(a*%* /% $*%(#%a7" 4%#*a& '( /u/.

;. Urmtoarele elemente aparin unei flori, 5. Seminele provin, dup fecundaie, din:

cu ecepia: A. $4aA. /#*!a#u&u* B. $4u&B. */#*&u&u* C. a(3$%uC. /$a%* D. a&**uD. /#a!*(%*.

#%(%B. %/#% *(3%%(3%(#" 3% $(3***&% *(#%(%C. 3" (a8#%% u(%* &a(#% a/%!"("#$a% u %a a% a $3u/ /"!9(aD. %/#% 3%%(3%(#" 3% &u!*(" *(" 3% &a '(%u#u& $%/u&u*.

?. Alegei afirmaia corect: $. %ructul se nume!te &ir la:

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A. (u!a* 6u(7%&% %/*% A. /#%@a B. &a(#%&% #a(/*" !a* !u 7*ua 3%9# ($a#%a B. 6aC. 8* "3"*(*&% 6a 6$#$/*(#%7" C. a*"D. 6$#$/*(#%7a %/#% /u/" 3% 3*$>*3 3% a)$(. D. !a.

'(. %ecundaia are loc )n: ''. *rin fotosinte":A. /#*& A. S% %&*!*(" 3*$>*3 3% a)$(B. /#*!a# B. /% $)*(% a!*3$(C. $4u& C. /% $(/u!" $>*%(D. a(#%". D. %7u" /u)/#a(% a($a(*% +!*(%a&%,.

'+. Rdcina ro!iilor cultivate de un '3. %ruct cu smn care "boar:agricultor cre!te )n lungime prin: A. !aA. /u6*% B. !a7"%B. 7$(a (%#%3" C. a* "C. 7$(a a/" D. ""3*%.

D. 7$(a %*8$*&$ a)/$)a(*.

'-.Au dou cotiledoane, seminele de: '5.%run"e compuse )ntlnim la:A. $u!) A. /#%@a B. $7 B. #a(3a6* C. /%a" C. /"%a#a-a%*D. 6a/$&%. D.. /a&9!

'.Urmtoarea afirmaie referitoare la autopoleni"are este incorect:A. A% &$ a#u(* 9(3 $&%(u& 3% % /#a!*(% a@u(% % /#*!a#u& a%&%*a8* 6&$*

B. S% !a* (u!%8#% $&%(*7a% 3*%#"C. S% %a&*7%a7" '( *(#%*$u& a%&%*a8* 6&$*D. S% %a&*7%a7" u $&%( 3% &a a% 6&$*.

'/.Arbust este: '0. *lantele care 1U au fruct sunt:A. !a7"%a A. A(*$/%!%&%B. $u!)u& B. D*$#*&%3$(a#%&%C. /#%@au& C. G*!($/%!%&%D. 4* a 3% 4*% D. $($$#*&%3$(a#%&%

'$. 2omponenta celular care d +(. 1oua planta se formea" din structurile:culoarea verde plantei este: A.$#*&%3$(u&u*A. *#$&a/!a B. #%u!%(#u&u*B. &$$&a/#u& C. a(3$%u&u*C. (u&%u& D. %!)*$(u&u*D. 4au$&a

II. ALEGERE GRUPAT

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La '(#%)"*&% 3% !a* @$/ +21-=0, "/u(3%* u#*&*79(3 u!"#$a%a :%*%A Da" 1 2 = /u(# $%#%B Da" 1 8* = /u(# $%#%C Da" 2 8* ; /u(# $%#%

D Da" ; %/#% $%#E T$a#% 4a*a(#%&% /u(# $%#%.

21.Rdcinile pot lua na!tere:1. 3*( %!)*$(u& /%!*(%*2. 3% % #u&*(*=. 3% % 6u(7%;. 3% % 6&$*.

22. Uscarea staminelor apare dup:1.%/*a*%2.6$#$/*(#%7"=.#a(/*a*%;.6%u(3a*%.

23.*oleni"area )ncruci!at se poate reali"a:1. *( 49(#2. *( *(/%#%

=. 3% "#% $!;. a#*6**a& /au (a#ua&.

+-. ulpina poate fi:1. 3%a#" - &a 6&$a%a /$a%&u*2. *7$! - &a a#$6

=. a4a#*" &a &*(#* ";. )u&) &a /#9(@%(%&

25. 2elule macroscopice pot fi observate la:1. $#$a&"2. "#&"%aua $ *%=. %%(%;. %a".

+.4a urmtoarele plante fructul seformea" din ovar i receptacul:1. *% u( *%/*2. 6a " u( 7!%u=. !"% *%/* a*/;.!" u#u* "

+/. Seva brut:1. *u&" '(#-$ /*(u" 3*% *%

2. %/#% $(3u/" *( 4a/% &%!($a/%=. %/#% aa u /"u*&% !*(%a&%;. %/#% $(3u/" *( 4a/% &*)%*%(%

+0. %ac parte din )nveli ul etern al florii:1. $$&a

2.%#a&%&%=. /%a&%&%;. a&**u&

29.Respiraia plantelor:1. a% &$ '( #$a#% $a(%&% &a(#%*2. a% &$ 3$a '( 6u(7%=. %/#% u( $%/ *(4%/ 6$#$/*(#%7%*;. %/#% u( $%/ *(4%/ #a(/*a*%*.

30. %ecundaia:1. %%7*(#" $ %#a" a $%/u&u* 3% '(!u&*%2. %%7*(#" $(#$*%a %&u&%&$ /%>ua&%)")"#%8#* u %&% 6%!%*%8#*=. /% %a&*7%a7" '( */#*&;. /% %a&*7%a7" '( a(#%".

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III. PROBLEME3'. *rinii lui Radu au o grdin foarte mic )n care au plantat: 3 meri, un brdu, un strat cu+( de lalele !i '5 narcise. *rintre plantele cultivate sau de"voltat !i / fire de ppdie.2te rdcini pivotante, cte firoase !i cte rmuroase gsim )n grdina lui Radu6A. "!u$a/% ; *4$#a(#% 8* =5 6*$a/%

B. ; "!u$a/% *4$#a(#% 8* =5 6*$a/%C. ; "!u$a/% =5 *4$#a(#% 8* 6*$a/%.D. ; "!u$a/% 22 *4$#a(#% * 20 6*$a/%.

32.Anali"nduse la microscop un esut vegetal ce cuprinde +5(( de celule se constat c $(7dintre ele au nucleul situat central !i restul celulelor au nucleul a!e"at lateral. Stabilii ctecelule tinere !i cte celule mature are esutul anali"at.A. 2250 %&u&% #*(%% 250 %&u&% !a#u%B. 2500 %&u&% !a#u% 250 %&u&% #*(%%

C. 1250 %&u&% #*(%% 1250 %&u&% !a#u%D. 2000 %&u&% #*(%% 500 %&u&% !a#u%

33. 2te flori a primit 8ianca de la colegii de clas cu oca"ia "ilei ei de na!tere dac )nveli!ul

floral al tuturor acestora cuprindea )n total /( de sepale !i petale, numrul petalelor era egal cucel al sepalelor !i fiecare floare avea 5 petale6A. 10 6&$* B. = 6&$* C. 5 6&$* D. 6&$*

34.*staia de salcm formea" )ntre !i 0 semine. *resupunem c un salcm formea"aproimativ 3( de psti. 2alculai numrul minim !i pe cel maim de semine care se pot formape 5 salcmi.A. 1?0 8* 2;0 B. 1?0 8* ;0C. 2;0 8* 1200 D. 00 8* 1200

35. 2onsumnd '( g semine de floarea soarelui, introducem )n organism ,/ g de ulei. 2t uleiintroducem )n organism dac vom consuma '(( g semine de floarea soarelui6

A.