! " # !$
"% "
Elements of Science & maths useful in Agriculture
& '(" Time- 3 Hours
)* Maximum Mark – 75
" i. ii. iii.
iv. v. vi. vii.
+
, . " " " " / 01 " "%$ ! #2 . 34 "5 ! 6!7 8 -9 ",: !! ; < = 9" >1 = ?! 6@ " != $A, $ " " ". $" *, .1 x 5 = 5 x 4 = 20 , 3 * "B ! ", : ! ; " ". 3 * " ! $" "# 5 , " "%$ ! # + )* C " "#2 . 3 "* ! $" "# * , " "%$ ! #+ C " "#2 . 3 B "# B , %$ ! # + * C " "#2 .
Instructions – i. All questions are compulsory. ii. Read the instructions of the question paper carefully and answer the questions. iii. Q. No. 1 to 4 are objective type which choose the correct answers, match the column, Fill up the blanks and true/false. Each question in allotted 5 marks. iv. Internal options one given in Q. No. 5 to 16. 1 x 5 = 5 x 4 = 20 Marks. v. Q. No. 5 to 10 carry 4 marks each and answer should be given in about 75 words. vi. Q. No. 11 to 15 carry 5 marks each and answer should be given in about 120 words. vii. Q. No. 16 carries 6 marks and answer should be given in about 150 words.
1
4
?! 6@ " DiE
<7 F
DiiE
<
!
9
"
!!
, !
DiiiE
49 4
4444444444444444444
4 G G4444444444444444 . "# , / !
! " .
444444444444444 " : ( " > " ! .
DivE
-#"
D vE
<79 "
" +$ !444444444444444 ",
! " .
# + 44444444444444444444 " 4 4
G
"9 !" .
Fill in the blanks.
4
(i)
C.G.S. Unit of intensity of Magnetic field is.............
(ii)
Refractive index of glass in maximum for..............colors.
(iii)
Freezing point of water is.....................
(iv)
The cellwall of Algae is made of................
(v)
Earthworms are found at the depth of soil in................... cm.
6!+ H H ,I I "# 6!+ H HI I "<7
9" >1 G
, D,E
<7 F
D E
(
D E
K
D E
,/
DGE
@
!
( "
"J#
!! #
x
K
9#
" #
, !# #%$ !# #+7 9
"J#
Make the right pairs for column "A" choosing from column "B" A
-
B
(a)
Magnetic substance
-
Area of parallelogram
(b)
Myopia
-
Mulberry
(c)
Heat
-
Nickle 2
(d)
Basic x Height
-
Jule
(e)
Sericulture
-
Concave Lens
-
Convex Lens
-
Area of triangle
&4
; <7 D,E
#2 .
6@
<7 F
"9 !" .
DiE #"" " DiiiE
"
D E
DivE ! " " (
DiE * "
DiiE
"
DiiiE * "
DivE &
"
"@ ! K L
DiiE <# L
DiiiE
L
DivE <#
H>MI "# %$ ! DiiiE
T
sin2100
7 7
: !
! " .
7
DiE
DiE > " DGE
"
66@ , 2 "# 6 (
D E
D E
DiiE ;
L
7 % DiiE
9" "
DivE (N"
7 7
"
DiE
DiiE
DiiiE
DivE
3
Write the correct answer from the given options. (a)
(b)
(c)
Permanent artificial magnet is made from (i) Iron
(ii) Aluminum
(iii) Carbon
(iv) Copper
Least distance of distinct vision in healthy Human eye is (i) 15 cm.
(ii) 2 cm.
(iii) 25 cm.
(iv) 30 cm.
Transmission of heat from sun to earth is -
DiE
DiiE Conduction
By radiation
DiiiE Convection (d)
DivE
Virus is responsible for AIDS is (i) Adeuo virus
(ii) Mosaic virus
(iii) T virus (e)
54
F
Conduction and Convection both
(iv) Retro virus.
Value of sin210
0
is -
DiE
DiiE
DiiiE
DivE
" "%$ !
DiE
-
? "#2 L
DiiE
cos(900+θ)
DiiiE
!
DivE
+7 9
D vE
$
" # ?
G O
"O 2
"J# ! "J# !
2" 9
/ "" " " ! O "
"
#2 . #2 .
Write the answer in one word. (i)
Name the scientist who discovered penicillin? 4
*4
(ii)
Write the value of cos(900+θ).
(iii)
Which branch of mathematics is related to angles.
(iv)
Write the formula for area of Triangle.
(v)
Write the formula for area of circle.
<#
"!" / "+ !
" #"<
PG .
Explain any four factors affecting the resistance of a conductor.
,@ Or
,"
?
O%
"
#2 .
What is the Ohms law? Write its two limitations.
B4
"# ,
< , 7#
6@!
#2 .
Write four fovourable conditions for fermentation.
,@ Or
@# ; "# " " G < % " #2 . Write any four uses of ethyl alcohal.
)4
"" 7
>1 "/"" " 7 " " G<
+" #2 .
Write down any four differences between soft and hard soap.
,@ Or
!" #
" " G < ,! #2 .
Write any four differences between Oils & Fats.
Q4
9
$
: <
:7 , " "#2 .
Write the importance of plant breeding in any four points.
5
,@ Or
"01 "" #"<
" " PG .
Explain four essentials factors which encourage the cross pollination.
R4
@
, - L!
, >1 " ",! #2 .D " G
Write any four differences between primary and secondary data.
,@ Or
, >1 "
?
OG
"!
7 2 % M" #2 .
Define the classification of data? Write three objective of its.
4
!
/ " " G<
7 #2 .
Write four merits of arithmetic mean.
,@ Or
F , >1 " ", / Q= &=
=
=
/ *=
=
9 )=
=
On the basis of following data, calculate the median.
Q= &= 4
!# -
=
=
*=
=
)=
=
" /! < , 6@
#2 .
Write five stages related to bad weather.
,@ Or
J #" " #" "< " "#
" G <%
#2 .
Write any five preventive measures against frost for crops. 6
4
: 9G
" " G <, S"
$ #2 .
Write any five industrial importances of Enzymes.
,@ Or
G < ( : "
"
%
"%$:
7 2 "
#2 . Name any five vitamins and main diseases, which caused by deficiency of each vitamin.
&4
#"
" " G < ,! #2 .
Differentiate between Photosynthesis and Respiration. (any five)
,@ Or
/" ", ?
$ < :7 , " "#2 .
Write any five importance of Auxin in plants in five points.
54
3 J" 7 # "<
(#
#2 .
Write five specific characteristics of Cruciferae family.
,@ Or
F " 6!
7 # #2 .
7 >1#= / = - = #=
"
Write the botanical name and family of following. China rose, Rice, Brinjal, Radish, Black Night Shade.
*4
/
<# ?
OG
" "7
" " #2 " O
What is mean deviation? Write its two merits and Two demerits? 7
,@ Or
T" B= 5=
= Q= &5= &B
<#
!
9 .
Calculate the standard deviation of following series 6, 14, 20, 28, 34, 36.
B4
-
,
-
" " G UV,! #2 .
Write any six differences between organic and inorganic compounds.
,@ Or
@"
"
DiE
" #
/
F
:7 ,"
9 .
!<
DiiE DiiiE
/
Describe the method of preparation of Methane in laboratory on the following points:(i) Labelled diagram (ii) Chemical equation (iii) Method.
8
,
%$ !
! " # !$
"% "
Elements of Science & maths useful in Agriculture
6!7 8 %$ ! 4
" "%$ ! ?! 6@ DiE
," 6(" >
DiiE
-
DiiiE
00 C
"# "
DivE
; #" 9
D vE
& 5* "4 $"
%$ ! 4
,
7 #* ,
W ! "" .
9" > , D,E
<7 F
D E
(
D E
K
D E
,/
DGE
@
#
( "
, !# #9#
x
K
!
" #
!! $"
%$ ! &4
"J#
,
7 #* ,
W ! "" .
; D,E
#"" " .
D E
* "4 9
D E D E
(N"
7
DGE $" %$ ! 54
7 #* ,
W ! "" .
,
7 #* ,
W ! "" .
? "%$ ! DiE
#" ?9"> X#"
DiiE
- sinθ
DiiiE
" !
DivE
½ x,/ x
D vE
½ x
K
/x
πr2
Y
$" %$ ! *4
,
<#
"!" / "+ !
4 <# 9
" @
+! V
,ZU <#
Fe
" #"
V S7 ! ",ZU"<#
Ag, Cu, Al
.,!V<#
.
! !" /
+
!" / "
7!
! . 4 <#
#F G
+ ! V <#
#4
! " .R x l &4 <#
", 76@
ZU" " "J#
, 76@ " ! " / "[7 $ 3 54 ! + ,/ $"
+ ! V <#
7! " ! .R x l/A
+ ! V 9 <# " ! , /
! " = %
!" /
! " . "
,
,/ !
7 #5 ,
W ! "" .
10
,@ ," \ <# "" "#
+! , 6@ D9-" ! , E " " G
9 "!"<# S7 !/
"
" #
, 7!
!
" "+: ! !@ % "
! ! .
V 4
"# /!7<# " "#
4 <# &4 <#
! 6@ "
54 <#
. "
! %$:
#4= ,
%$ ! B4
,
. "
,
#2 " ,/ !
$ .
6@
<
,
$"
7 #5 ,
"# ", 7# 4
"3
#
54 +" 9 *4 $"
"< @V , "
!" = 9 V ,
: " :. ,F #
%
"+" Y
! " .
!" 9
!V , /
9! . #
,
6@! V ! ! "3
&4
#2 "
W ! "" .
4 ! V * C &* C : V !7 #
.
"
"3
:
"
. G(N" (= , " 3
% 6@! "3 7 #5 ,
#
!" 9 8
;J" (#
"" ! . "<#! .
W ! "" .
11
,@ @# ; "# "< % " V 4 4
,: ; " # : " (=
=
] ; "#
54
>1%S" " .
"" .
"" .
*4 6( #" F "G/
"^
. "
"" .D (: < , " > E
)4
7
$" %$ ! )4
@
"" .
&4
B4
"
"" .
,
7 #5 ,
" " 7 !@ 34
W ! "" .
>1 "/"" " 7 ",! V
"" 7 G
",ZU" 6
>1 "/"" " 7
"!" #
G
# "9 !" . + &
01" #"
" 6!"!" #
# "9 !"
. @
+
01" #" @
# "9 !" .
.
7: /!
7: /!
@ # "9 !" .
@
# "9 !" # "9 !"
. 5
G "7 ?!
*
" %Z< (" "
$"
# ,!
" ! . ,F #"
G "7 ?! " "%Z<
!" " . ,
7 #5 ,
! " . ,F #" " " >
#
!" " . W ! "" .
12
,@ !" #
",! V
34
!" # /
!
, 6@ " " !" .
/
!
8" , 6@
"" !" . %Z<
,F #" G 9 ! .
, 7 +
# ,F #" G
9! . &
, !W ! ,/
,F #" " _ # G> !W ! !" " .
5
G
7
*
G
, " >
$" %$ ! Q4
,! 9
4
,/
! " .
G
7 #5 ,
+:
"L %$ ! "L 9 +
54 G
,/
! " .
"
" !" .
! " . " ! .
W ! "" .
" $V
" "W ! &4 G
_ # G> , /
,
9
4 G
,F #"
/ " % "
9! . 7" #" /" ,
" J #" "+ %
% "
", / % 9 "" #" 9! . 9! -
9 " ! !@
. " " " !@
( !" /
9 ! " ,
9! . *4 G
% " .9
$"
"
" ' " "G
,
7 #5 ,
" # J #" %$
# 9
,
9! . "
W ! "" .
13
,@ " 01 "" #"< 4
#! V
#
7" " 7 U 7"
9
!" " . "
#- =
>1 = " #= ? , .
4 ,$ : /! V , ,$ &4
6 ?! V
54
, , >1 "
%
7 #5 , L!
@
"
9! . #"
!-
"9 ! -
+
7"" +
" !" -#" ,
34
+
" !" . " 6@! "
$"
- G "
"
6 ? 7"" 7
!@ 9
. 9-"
7""" 2
7
! $ V ,$
@
" , +
>= C7 (#" ,
! -!" "
!@ 7"
7" = !",:
", $
9 !" -!@ 7 7P
%$ ! R4
V
" ! .
! -9 " 7" "
""
! " .
W ! "" .
, >1 " ",! V
, >1 "
L!
, >1 "
!" " . / ,/ [
!" " .
! "
/
[
! " .
&
" "T
,/
T
#! .
#! . 5
G
"
" ", /
7/ G
! " *
G , >1 " ,!
<
U( 9 ! . @
G
9! . $"
" " " 7 U 9^ "+
"<7
! "
. ,
7 #5 ,
W ! "" . 14
,@ , >1 "
V
, >1 "
3
+: +:
-9
", >1 " "% " 7" ", /
"" ( " !" .
% M" V 4 , >1 " !7 # $ ,/ 4
,/
&4
9 9
L
! .
! .
! , >1 " "9
/
" P "" _
9! . 54
L
8
,[ 6@! , >1 " "
W !
" #!
# 9! . +
, =
! % M" " & ,
7 #5 ,
W !
"" . %$ !
4
: ! 4
/ "7 V /
[ ?!
4 G &4 G
+
"3
>1 # , 7
", 9 ! .
" , T! " ! .
", >1 " "
54 G $"
P ",
,
"2 " ,
!
!. "
7 #5 ,
W ! "" .
15
,@ , >1 " ", " 3
"[ 6@!
" V x
7 #
R .
/
2
.
"
= =
%$ !
%$ !
4
, "3
,
,
W ! "" .
7 #5 , !# -
%9
* "
=
=
)
)
, = #
"
, = %$ !
/ , 6@ V
4 , !V 9 ,
"
J
"
""
" # U " !" -!" "= 9 -,
-
! -, "" ^G
"# " "
"9 ! .
16
4
#"
>1V
F 9
, #= ( = < , &4 , " #"
"
""
J #" "
>1V
< "
# >1 ! -!"
! " .
""
," #" >19 "!"
( "9 ! =?" %
J #
J #"# +
" "" !
. 54 , /
!" 9
7 V J
9 ! -9
"
*4 !
< ", / !# , -% 9
/" ", 7 V -
%
3 ,"
$"
:7
!" 9
"9 ! .
"#" % "
+
>1 ! .
,
7 #* ,
7<# " J #"
"!
+: !
"
W ! "" .
,@ #" "<
"% V
4
#" ,
""
4
/" ",
/7 ,
&4
#,
54
>1 "
*4
" /9 !
"-
4
: 9 GF 4
" #
", S"
,
. !
J #" " " <
" 7;
:7
"<
" 7 >#
/"'( ,
$" %$ !
.
.
0#
#
/" "7 ,#, 7 #* ,
01 < "<
"0
.
"<
.
" ! -9
"
W ! "" .
$V
( G: 9G %S"V ""
/
"6 !
! . 4 J# %S"V J#" "
"" ?(
! -G # J#" " " #!" -9 " " ?(
@"
"6ZU
@" 9# , '(
% 6@! " :
" "#
" ?( G: 9G
" ! . 17
&4
>1%S"V #
>1 7 " " / " " 9 !
9! . 7" 7
: 9G
>1 " U G=
"6(< "9# , '(!
54 < >1%S"V (: "
*4 " ; "# %S"V T
`?(" T
-!@ 7 a CO2 %$ :7
"" " ! -9
" $<
,
"9# , '(!
3
" #"
"#
6( "% 6@! G (" : 9G
9G " : 9G
$"
" " #" #" 9
# 9! .
( , '( G: " 9G
9# , '(!
"_ # " 9
G
" "# 6(<
"9 !" . "
! = !$
"" @# ; "#
"^
7 3" !
"W ! " ! .
7 #* ,
W ! "" .
,@ (
"
4
(
A
!/ "
4
(
B
" " "
&4
(
C
54
(
D
2
*4
(
E
" ?! "
$"
6
:7
,
7 #* ,
" " D 7 !E
W ! "" .
18
%$ ! &4
#" !@
",! V
434
#" G
3
"CO2
9! G
3
#! ,
#" !" -, -
-, - , ] ? 9 .
,] ? G> #"
, ! %$
"G>" N( , -, ] ? 9 &
" /", ] ? 9
3 "
.
#!" .
",: !V 3 J# >G, ] ? G> , -
% 6@! "G !
. ,!V
"
/"
%
>G
" " G
. /
.
+ . 5
3
" ," " " !
3
- 9 "9 !
?#"" J# % 6@! " ! . *
G
3
"+" Y
@
!" -, - " /"
7 +
,!
$"
" ,"
G(N" : >N 3
"
"" ! . "+" Y
"# "9 !" -!@
019 ! . $"
/"
@ /"
7 + '( 9 ! . ,
7 #* ,
W ! "" .
,@ /" ", ] ?
$V
4 ,] ?
"9
4 ,] ?
"2 !
&4 , ] ?
L
! J# W ! (
"9
9
! .
!" .
$ ! " "P>1" " " 9
! .
19
54 , ] ?
! " " a !@
" , " "#F G 01" "# ",
! " . *4
9>1 = J#" " +9 "
$" %$ ! 54
:7
,
# " 3 J" 7 4
7
4
7" UV
!" " .
7 #* ,
W ! "" .
(#
,/" 9
&4 G
"
V
" !" .
"U" ("!@ <
>1 "D
" 7 ! "9 > " !" -9 "+$ !#_
9 >
" # " !"
. 54 J#
# 7 ,
! " .
*4 , + ", > L " 8 $"
" 8=
!7
"
P8" (M ( "
9 ""
"9 ! .
:7
,
7 #* ,
W ! "" .
,@ 6! 4
7 >1#
9 G " " :
4 / &4
-
54
#
*4
"
/ : !
, "G9
(G
#" "
#" " : 9
J" " #" "
$" %$ ! *4
7 #
:7 <# V /
/
" #"" "
(G
3 J"
G
#"" "
,
7 #* ,
+
/ " $"
<#
#"
W ! "" . " " <# " " "J#
#! . 20
7V 4
7+ ! -
4
+
&4
# .
" ,/ ! " ! .
" ": !
,/ !
"
+ G
>1 ! .
"V 4 4
!
< "
"" _
.
+ <# " "DbE
&4 G " : ! 9
/=
"%$ !
+
,
#" /
7 #
, = 7
! ^
"
",[ "+
. !
!" =
! . ,
7 #* ,
W ! "" .
,@ T" B= 5= : !
= Q= &5= &B
/
=
=
<#
(6+14+20+28+34+36)
(138) = 23
X = 23 X-X=d
<# DdE
D d2 E
6
- 17
289
14
-9
81
20
-3
9
28
+5
25
34
+11
121
36
+13
169
Σd = 0
Σd2 = 694 21
,!V
<#
: !
/
7 #* , %$ ! B4
=
=
=
%$ !
W ! "" . -
,
-
",! V
34
, 2
",/
!" " .
- " ", !
," !
" J
!" " .
!
9! .
9! .
&
!
5
" 9
9! . /
9!
. *
,
7
! " .
S7 !
9 "
/
9!
.
V
6! " " !"2 " " #!" .
. B
9#
" , #"
9#
" , #"=
#
"" # "
#
" ", #".
6@ = 9#
,/
6@ =
?@
,/
) ?@ $"
,!
" !" . ,
7 #B ,
# !" " .
W ! "" .
22
,@ @"
"
" #
/V
<
4
4
Cao CH3 COONa
/V
>#G " 8" <
#" : /, + %; -9
@" " >
# " " >
! "
@" -
CH4 +Na2 CO3
# # !" .
"U: " ! . 2
("
! =9" - 9
" >#G
T
#
: /,
9! . 2#
"" (
"
"9# ",/"6@
"%
9# " 9! . / "
! "9! .
23
