Botany Poll 07
Botany Poll 07
101112120241 @
Aakash
MedlcallllT-JEEIFoundadons
Corporate Office: Aakash Tower, 8, Pusa Road, New Delhi-110005, Ph.011-47623456
Time : 30 Min.
MM:80 NCERT Booster Test Series for NEET-2025_Botany Poll-07
General Instructions:
1 . Ea~h que_stion carries +4 marks. For every wrong response, -1 mark shall be deducted from the total score. Unanswered/unattempted
quesbons will be given no marks.
2. Use blue/black ballpoint pen only to darken the appropriate circle.
3 . Mark should be dark and completely fill the circle.
4 . Dark only one circle for each entry.
5. Dark the circle in the space provided only.
6 · Rough work must not be done on the Answer sheet and do not use white fluid or any other rubbing material on the Answer sheet.
,.;,l"""'"l,.:~TANY I
,4.
'i~ i,
1. Regarding Watson and Crick, the pitch of the DNA t i~ i', ~ ~ Haplo· .
(1) 34 nm \ j ':
(2). 0 .34 nm tW .
:,- 1
!~·;
•• ::c:.~J01 ¾r~~~~~~C -~)r"".
(3) 0 .0034 nm
(4) 3.4 nm
2. Read the following assertion (A) and reason
statements:
Assertion (A): The replication
opening of the DNA helix.
Reason (R): The separation of two strands o·
molecules in its entire length is energetical
expensive process. (3) RNA polymerase II
In the light of the above statements, select the
option. (4) RNase
(l) Both (A) and (R) are true and (R) is the 6. "For a double stranded DNA, the ratios between adenine
explanation of (A). and thymine and guanine and cytosine are constant and
equals one." It is proposed by
(Z) Both (A) and (R) are true but (R) is not the correct
explanation of (A). (1) Maurice Wilkins
(4) Both (A) and (R) are false (3) Rosalind Franklin
The structure that constitute the repeating unit of chromatin (4) Friedrich Meischer
3.
is composed of
(1) Lysine and arginine only
1
.-l' \ V
e,Ol'' '. '
]=~
10.
5 cERT eooster option.
i N
7. 3·-TACG TAC
What will be
GT~
e
late strand of dsD
n,e sequence of ~~iACGTACGTACthe pnm
seq uen ce of
NA is as ronows
3'
[=- Colu...".'n•I
QB
bacteriophage
column-II
aj Used by Frederick
Griffith for t~e s~a~ch of
transforming principle
roduced by it?
~1) 5' -ATGCATGCATGCATGCAT
GCATGC~C-5' --- --: --- -:- .-- -:- --:
3' Genetic material has
UGCAU
(2) 3' -AUGCAUGCAUGCAUGCA uracil in place of
UGCAUGC- '
(3) 5' -AUGCAUGCAUGCAUGCA thymine
ACGUACG-5 use d by Taylor et al. as
(4) 3' -UACGUACGUACGUACGU
c. an experimental .
111 _ streptoco~cus
Observe the following diagram : material to prove tha t
S. E C pneumomae
H•, ,
:;-/p\lr
\!:.I H
H i·pt
+p ~H. pr H , ~ ~
DNA
chr om oso
replicate
me
in
s
the
semi-
t conservatively.
iii..
A f A
, .a
I! I !·:
~ ·~
0
/ -~ i~
-~~--©---TJil.~~ ~
H
~5-
D ~ -- -- -- !~ ~-d.;:: 0;larg
IV. Vicia faba
:N;-;A~i:s~o;;rg;;a;-;n;is~
e loops held by
proteins but doe s. not
e~dJii~n~
,
H H
form beads on a string
structure
, read the statements that
Based on the above diagram
_ _ . . - _,, ~ ,
depict about the labels. ucle 1c acid . F
a A is the bond that is absent m nbon 9
_.
een nitrogenous base a~g,.: .
b: c is the linkage present betw IQ • . · . fr• I I
jtfo"i;''-, r .,;1,- ' d /_c_ _ _-1
OH of 1' C of pentose sugar .J (2~
c. D ensures uniform distance betw
een the two stra /i'1s __
I !_d_ _ _~I
. "1-;,;, _ , ri.<."'l "~ ,,~~~ c / ;-- j.':°b~ a
I ... ,:I
d. B conf ers stab ility
e f: 1s,!h1?:bond foun
to this
c[JQ
struc
)!Qtl'I
ture
tiuc leot
.
ide @@ l\..\l~~,c acid~~. ., C -0 ,::.\~!e-l,..,':J i"• P. :.fHe
. -~ , trli1"·",-, i.......... ~·...,~ '->.:.
1~ , d
'\ . --=---- -_
:r~ ,; -' .(' · C
_J_......,;;,_ _ _....J
_J
tany Poll-07
s for NEET-2025-Bo
..aT sooster Test Serie
fP' loosely defined as
ula tory sequences are
16. •sometime the reg • .
\' regulatory genes" tement
Heterochromatin is option for above sta
/ j 2. Choose the correct
romatin only in prokaryotes.
' (1) Loosely packed ch (1) These are found
A or proteins.
(2) Transcriptionally
inactive s code for either RN
(2) These sequence
ion of chromatin · also affected by
(3) Lighdy stained reg ce of a character is
sometimes inheritan ge .
ne
ences of a structural
(4) Devoid of histones (3) regulatory sequ
nscription , which of in mature RNA.
are copied during tra (4) They appear only
13. If both the strands es would be observe
d?
thefollowing consequenc 17. In eukaryotes,
ule with same ve interrupted
code for RNA molec nic structural genes ha
(l) Both strands would Th e mo no cis tro
sequences. s.
(l) coding sequence
eptides will be
ou nt of the identical polyp the processed RNA.
(2) Do ub le . am (2) lntrons appear in
synthesized mRNA is fully
ca n be gin much before the
ced would not be Tra ns lat ion
lecules that are produ
( ) The two RNA mo entarity (3) transcribed.
3 due to lack of complem polymerase that
able to form dsRNA A-dependent RNA
coding for two There is a single DN of RNA
the DNA would be cription of all types
(4) ~ne segmen~ of (4) can catalyse trans
different proteins . d by capping and
lecular biology of the fol low ing feature is share
the follow ing central dogma of mo 18. Wh ich
st-transcriptional mo
dification?
14. Obse rve
during this . tailing process of po
and the events occur end of hnRNA.
(1) They occur at 5'-
rt ma!ure RNA
require~ to transpo
Thes ~_prO <t.j~se~ are translation.
G
1n (2) out off · ·uci'eo1d for
N A -- -• P rO te ~ . d d t
NA - --- +m R , ~ ~ ~ . pIate in epen en
!
~ ~
r, (3) Bo,;,;
t'.i.
~
th th /;
ss es
.,.
/ o.,·
~
-:,..
c~ur in tem .
~ t ~~ /
bcesse s:'.,ar
, ..}
( . . .-..1' e mandatory for the efficient
1.,. l .
, , .~. ,, .,
r.~)Jp~-~i~it,oi<a.ryotes\._ •~- .. ~u~ l
t ()
.,..
id .#;
;<<;uJ sr!Pi i'I1 deft1J, ,;.. .,- -, ~}l .- - l)~
select the correct
(a)_ Re mo val
010 1::r to i'i.Hm mR
of intm~ s anp ~oining of eisla
NA tt,arls capable oft
of de oxyribonu
rar
cleotides
uo n:'
.,j?.
·
e,-
n ./ , v
fol
"':;,_ .~
lo Mn
. ,.,,, .•
~
l-,~
g statements and
transmission of ge
netic information ,
(b) Polymerisa tion d fragm en ts bf " . . . . . . •• ;-4'
en f A: Fo r the
ntinuously synthes ise ,ta tem
(c) Joining of disco A.
9M ti~,tl,~iter than RN netic material should be stable
DNAliga se e ge
lication fork . / St8~ 1J1 en t B: Th s of life cycle, age
(d) Formation of a rep with pro mo ter ~g h no t to ~h an ge with different stage .
era se / ~ no an ism
(e) Binding of RNA
polym · iology of the org
transcription unit ts i~ . ,/ {."., or, with change in phys
l order of these even
1/ .i<',
/ '\. "\ · is correct.
The cdrrect sequentia (l) Only statement A