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Class notes Biology A Textbook of CBSE Biology For Class XI(Revised Edition)

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My notes is a quick revision notes for class xi exam

Institution
Junior / 11th Grade
Course
Biology











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Written for

Institution
Junior / 11th grade
Course
Biology
School year
3

Document information

Uploaded on
January 18, 2025
Number of pages
44
Written in
2024/2025
Type
Class notes
Professor(s)
Animal kingdom
Contains
11th

Content preview

Series &RQPS/S SET-2
*RQPS/S* àíZ -nÌ H$moS>
57/S/2
Q.P. Code
amob Z§. narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$
Roll No. _wI-n¥ð >na Adí` {bIo§ &
Candidates must write the Q.P. Code
on the title page of the answer-book.


ZmoQ> NOTE
(I) H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV (I) Please check that this question paper
n¥ð> 19 h¢ & contains 19 printed pages.

(II) H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| (II) Please check that this question paper
>33 àíZ h¢ & contains 33 questions.

(III) àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE (III) Q.P. Code given on the right hand
àíZ-nÌ H$moS H$mo narjmWu CÎma-nwpñVH$m Ho$ side of the question paper should be
_wI-n¥ð> na {bI| & written on the title page of the
answer-book by the candidate.
(IV) H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go (IV) Please write down the serial
nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ number of the question in the
Adí` {bI| & answer-book before attempting it.
(V) Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m (V) 15 minute time has been allotted to
g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU read this question paper. The
nydm©• _| 10.15 ~Oo {H$`m OmEJm & question paper will be distributed
10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db at 10.15 a.m. From 10.15 a.m. to
10.30 a.m., the students will
àíZ-nÌ H$mo n‹T>J| o Am¡a Bg Ad{Y Ho$ Xm¡amZ read the question paper only and
do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo & will not write any answer on the
answer-book during this period.
Ord {dkmZ (g¡ÕmpÝVH$)
BIOLOGY (Theory)

{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 70
Time allowed : 3 hours Maximum Marks : 70


57/S/2 1 P.T.O.

,सामा ‍य‍िर् ‍
‍ ख त ‍ ् ‍ो ‍ ‍ ा ो‍ ‍ ‍र ‍न ोा‍ ाख ‍ो ि ‍:
(i) इस‍ ‍ - ‍म‍33‍ ‍ ‍ ‍ ‍सभी‍ ‍ ‍अिरवाय‍ ‍
(ii) ‍ - ‍पाच‍त ड‍ ‍म‍ ा ि ‍ ‍–‍त ‍ड‍क, ख, ग, घ‍ ‍ं ङ‍।
(iii) ख ‍ड‍क‍–‍ ‍ ‍सं ‍ ा‍1‍से‍16‍ ो‍ब ो ‍ ी ‍ ोा ‍ोे ‍ ‍ ‍ ‍ ‍ ‍ ो
े ‍ ‍ ‍1‍अों ‍ोा‍ ‍
(iv) ख ‍ड‍ख‍–‍ ‍ ‍सं ‍ ा‍17‍से‍21‍ ो‍अ ‍खघ-ु न ी ‍ ोा ‍ोे ‍ ‍ ‍ ‍ ‍ ‍ ो
े ‍ ‍ ‍2‍अों ‍ोा‍ ‍
(v) ख ‍ड‍ग‍–‍ ‍ ‍सं ‍ ा‍22‍से‍28‍ ो‍खघ-ु न ी ‍ ोा ‍ोे ‍ ‍ ‍ ‍ ‍ ‍ ो ं ‍ोा‍ ‍ ‍
े ‍ ‍ ‍3‍अो
(vi) ख ‍ड‍घ‍–‍ ‍ ‍सं ‍ ा‍29‍ था‍30‍ोे स-आधा ‍ ‍ ‍ ‍ ‍ ‍ ो े ‍ ‍ ‍4‍अो
ं ‍ोा‍ ‍ ‍इ ‍न - ‍ ‍म‍से‍
ो‍न - ‍ ‍म‍आं ो‍ ो ‍ ‍ोा‍च ‍ ् ा‍ग ा‍ ‍ ‍
(vii) ख ‍ड‍ङ‍‍–‍ ‍ ‍सं ‍ ा‍31‍से‍33‍ ो‍्ीघ-न ी ‍ ोा ‍ोे ‍ ‍ ‍ ‍ ‍ ेो‍ ‍5‍अो ं ‍ोा‍ ‍
(viii) ‍ - ‍म‍सम ‍ ो ‍ ‍ ‍ ् ा‍ग ा‍ ‍ ‍ , त ‍ड‍त,‍ग‍ था‍घ‍म‍आं ो‍ ो ‍ ‍ोा‍ ा धा ‍
् ा‍ग ा‍ ‍ ‍ ी ाथ ‍ो ‍इ ‍ ‍ ‍म‍से‍ ोसी‍एक‍ ‍ ‍ोा‍न ‍ खत ा‍ ‍ ‍
(ix) ‍ ा ‍्‍ ो‍ बा ध ‍ ी ा थ ‍ोे ‍ ख ‍अखग‍ ‍ - ‍ ‍
(x) ि ा‍ो ‍आ ‍ ो‍ , साफ-सथु े ‍र ‍न च ‍ ‍से‍ ामां ो ‍ च ‍ब ा ‍िा े‍चा ‍

ख ‍ड‍क

‍ ‍सं ‍ ा‍1‍से‍16‍ ो‍ब ो ‍ ी ‍ ोा ‍ोे ‍1‍अो
ं ‍ोे ‍ ‍ ‍ ‍ 16´1=16

1. इस ंथ र ए ोजन थ थि ज है :
(A) पी थपंड (िॉपस थु म
(B) फ पमु ि ि िथ ि पर (थ ली
(C) पी षू ंथ
(D) जनन एथप ीथल
2. िुछ पौध पर गि लंबे फ े जैसे हो े ह :
(A) जली पौधे (B) -ु पर थग घ स
(C) थज नो प (अन ृ बीजी (D) प ी-पर थग पु प
57/S/2 2

,General Instructions :
Read the following instructions carefully and follow them :
(i) This question paper contains 33 questions. All questions are compulsory.
(ii) Question paper is divided into five sections – Sections A, B, C, D and E.
(iii) Section A – questions number 1 to 16 are multiple choice type questions. Each question
carries 1 mark.
(iv) Section B – questions number 17 to 21 are very short answer type questions. Each
question carries 2 marks.
(v) Section C – questions number 22 to 28 are short answer type questions. Each question
carries 3 marks.
(vi) Section D – questions number 29 and 30 are case-based questions. Each question
carries 4 marks. Each question has subparts with internal choice in one of the
subparts.
(vii) Section E – questions number 31 to 33 are long answer type questions. Each question
carries 5 marks.
(viii) There is no overall choice. However, an internal choice has been provided in
Sections B, C and D of the question paper. A candidate has to write answer for only
one of the alternatives in such questions.
(ix) Kindly note that there is a separate question paper for Visually Impaired candidates.
(x) Wherever necessary, neat and properly labelled diagrams should be drawn.

SECTION A
Questions no. 1 to 16 are Multiple Choice Type Questions, carrying 1 mark each. 16´1=16
1. Estrogen is secreted by :
(A) Corpus luteum
(B) Membrane granulosa of Graafian follicle
(C) Pituitary gland
(D) Germinal epithelium
2. Long ribbon-like pollen grains are seen in some :
(A) Aquatic plants (B) Wind-pollinated grasses
(C) Gymnosperms (D) Bird-pollinated flowers
57/S/2 3 P.T.O.

, 3. थन नथलथत िूम से िौन-स िूम दोहर ि िर है ?
(A) AUG
(B) AUC
(C) ACU
(D) ACA

4. थन नथलथत से िौन-स थ ि प जी न ि अजी से उ पथ िे थस ं ि पथु हे ु 1953
एस.एल. थ लर र थिए गए ोग उप ोग थिए गए प अ गैसी घमि िे थ िो
सही ढगं से द है ?
(A) CH4, H2, NO2 जल प 1800°C पर
(B) CH4, H2, NH3 जल प 1800°C पर
(C) CO2, H2, NH3 जल प 800°C पर
(D) CH4, H2, NH3 जल प 800°C पर

5. उ ब ेधन एि िनीि है थजसि उप ोग थि ज है :
(A) द िे थिसी रोग िो िरने िे थलए
(B) ू िे थिसी भी आनु थं ि थ ि र िो िरने िे थलए
(C) थ ि िे थिसी भी थ ि र िो िरने िे थलए
(D) अथ थन थिसी अपस ि पहा न िरने िे थलए

6. न 21 गु सू ु िे थ सं ोजन ि अनपु थ थ िे ि र होने ल थ ि र है :
(A) उप थज थ र नू संल
(B) ल इनफे मर थसं ो
(C) मनर थसं ो
(D) ड उन थसं ो
57/S/2 4
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