class 10 cbse board paper subject science practice +pyq (2021-22)
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NCERT Solutions - Science for Class X
class 10 science paper it includes term 2 chapters all question are most expected question pyq of 2021-22 these are most repeated questions its term 2 question paper highly suggested to solve
Test (elaborations) Science NCERT Solutions - Mathematics for Class X
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• ISET-1 I
[ Series QQARR/1 I ~-~cfi ls
Q.P. Code 31/1/1
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Candidates must write the Q.P. Code
on the title page of the answer-book.
• ~ ~ ~ "R ~ ~ m--q;r ~ ~ ~ 11 I t
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~ 10.15 iNf ~ ~ I 10.15 iNf "B 10.30 iNf cfcfi ~ ~ m--q;r cf;) ~
~ ~ ~ ~ ~ ~ "Jffi:-gffacfil -q-{. ~ ~ ~ ~ I
• Please check that this question paper contains 11 printed pages.
• Q.P. Code' given on the right hand side of the question paper should be
written on the title page of the answer-bo ok by the candidate .
• Please check that this question paper contains 15 questions .
• Please write down the serial number of the question in the
answer- book before attempti ng it.
• 15 minute time has been allotted to read this question paper. The question
paper will be distribute d at 10.15 a.m. From 10.15 a .m. to 10.30 a.m., the
students will read the quEr'stion paper only and will not write any answer on
ffie answer-b ook during this period.
fcl$1 l.=t
SCIEN CE
3llWi'ffll 3/cfi: 40
Time allowed : 2 hours Maximum Marks : 40
P.T.O.
1 ~
, (,1·nr•1TI I hu,t, u,•tfrm H .·
#,\ rn/ tlic Al/1011•111J,: 111.~t,·11rtio11 s 1'1' t)' cart'{ully and stnclly follow //wm :
1d l'/;,s iJll<'~t, ,m J)ilJ1t '1' ,·0111prises 15 questions. All questions arc co111puls m y .
(U) l'lu~ (}11 ,·:.ti1111 pr,p,•r is divided into three sections - A, Band C.
tun St·,•h'o,a .A - questions No. 1 to 7 are short answer type questions. Each
qu;-~fion <·nrri,•s 2 marks.
St>clio11 B - (J.uestions No. 8 to 13 are also short answer ty pe questions. Each
</lll'Sli<>11 n1rrfos 3 marks.
Sectio11 C - Questions No. 14 and 15 are case-based questions. Each question
ca1"ri,,s 4 marks.
(vi) Internal chOlces have been provided in some question s. Only one of the
alternatives has to be attempted.
SECTION A
lV (a) Write the molecular formula of the following carbon compounds :
(i) Methane
(ii) Propane
(b) Carbon compounds have low melting and boiling points. Why? 2
2. The electrons in the atoms of two elements X and Y are distributed in
three shells having 1 and 7 electrons respectively in their outerr,ost J 5
1
shells. '·
(a) Write the group numbers of these elements in the Modern Periodic
Table.
(b) Write the molecular formula of the compound formed when X and
Y combine with each other.
(c) Which of the two is electropositive ? 2
3. (a } Which of the following flowers will have higher possibility of
self-pollination ?
--Mustard, Papaya, Watermelon, Hibiscus
(',., 11
(b) List the two reproductive parts of a bisexual flower. >" m,."- , 1,-.
1
, J, 2
'4. Which one of the two multicellular organisms - Spirogyra and Planaria
reproduces by regeneration and why ? Give an example of any other
organism which can also reproduce by the same process. · 1 f~ 11 2
[~~1L1] 3 ~ P.T.O
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