Search for notes by fellow students, in your own course and all over the country.

Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.

My Basket

You have nothing in your shopping cart yet.

Title: paper of biology
Description: biology paper helps to know students about the type of questions

Document Preview

Extracts from the notes are below, to see the PDF you'll receive please use the links above


Roll No
...


No
...
of Printed Pages — 7

=SS… ®……v™… ®…EÚ {…Æ˙“I……,

2014

SENIOR SECONDARY EXAMINATION, 2014

V…“¥…  ¥…Y……x…
BIOLOGY

∫…®…™… :

3

{…⁄h……»EÚ :

1
4

P…h]‰ı

56

{…Æ˙“I……Ãl…™…… E‰Ú  ±…B ∫……®……x™…  x…nÊ˘∂… :
GENERAL INSTRUCTIONS TO THE EXAMINEES :
1
...
on the question
paper compulsorily
...


∫…¶…“ |…∂x… EÚÆ˙x…‰ + x…¥……™…« ΩÈ˛*
All the questions are compulsory
...


|…i™…‰EÚ |…∂x… EÚ… =k…Æ˙ n˘“ M…<« =k…Æ˙-{…÷Œ∫i…EÚ… ®…Â Ω˛“  ±…J…Â*
Write the answer to each question in the given answer-book
only
...


 V…x… |…∂x…… ®… +…xi… Æ˙EÚ J…hb˜ ΩÈ˛, =x… ∫…¶…“ E‰Ú =k…Æ˙ BEÚ ∫……l… Ω˛“  ±…J…Â*
For questions having more than one part the answers to those
parts are to be written together in continuity
...



...


[ Turn over

2
5
...


6
...
Nos
...


1-13

28-30

4

|…∂x… GÚ®……ΔEÚ 24, 27, 28, 29 ¥… 30 ®… +…Δi… Æ˙EÚ  ¥…EÚ±{… ΩÈ˛*
Question Nos
...


J…hb˜ - +
SECTION - A
1
...



...


1

3
2
...


1

¥……±]ıÆ˙ ∫…]ıx… u˘…Æ˙… |…∫i…÷i… ¥…Δ∂……M… i… E‰Ú  ∫…r˘…Δi… EÚ… x……®…  ±… J…™…‰*
Write the name of the Theory of Inheritance given by Walter Sutton
...


=i{… Æ˙¥…i…«V…x…  EÚ∫…‰ EÚΩ˛i…‰ ΩÈ˛ ?
What are mutagens ?

5
...


6
...


8
...


7
...


I……Æ˙EÚ ™…÷M®…… E‰Ú B‰∫…‰ +x…÷GÚ®… EÚ…‰ C™…… EÚΩ˛i…‰ ΩÈ˛,  V…∫…‰ {…g¯x…‰ E‰Ú + ¶… ¥…x™……∫… EÚ…‰ ∫…®……x… Æ˙J…x…‰
{…Æ˙ b˜“Bx…B EÚ“ n˘…‰x…… ±… c˜™…… EÚ…‰ BEÚ V…Ë∫…… {…g¯… V……i…… Ω˲ ?
What is the name of the sequence of base pairs which reads same on
the two strands of DNA when orientation of reading is kept same ?

10
...


11
...


SS—42—Bio
...
SS–5542
...


{…™……«¥…Æ˙h… {…Æ˙ ¥…x……‰x®…⁄±…x… ∫…‰ {…c˜x…‰ ¥……±…… BEÚ E÷Ú|…¶……¥… §…i……<™…‰*
Write one harmful effect of deforestation on environment
...


1

∫¥…S…… ±…i… ¥……Ω˛x…… ®… =i|…‰Æ˙EÚ {… Æ˙¥…k…«EÚ EÚ… ={…™……‰M… C™……  EÚ™…… V……i…… Ω˲ ?
Why are catalytic converters used in automobiles ?

1

J…hb˜ - §…
SECTION - B
14
...


15
...

16
...


2

™… n˘ DNA E‰Ú BEÚ Æ˙VV…÷EÚ EÚ… +x…÷GÚ®…  x…®x……x…÷∫……Æ˙ Ω˲
5′ – AAGTTACTAGAC – 3′

i……‰ <∫…E‰Ú +…v……Æ˙ {…Æ˙ §…x…x…‰ ¥……±…‰ m-RNA E‰Ú +x…÷GÚ®…  ±… J…™…‰*
If the sequence of one strand of DNA is as follows
5′ – AAGTTACTAGAC – 3′
then write the sequence of m-RNA formed on this basis
...



...


2

5
18
...

19
...


20
...


21
...


2

{…Æ˙¶…I…h… i…l…… {…Æ˙V…“ ¥…i…… ®…Â +xi…Æ˙ ∫{…π]ı EÚ“ V…™…‰*
Explain the difference between predation and parasitism
...


1+1=2

 EÚ∫…“ +…¥……∫… ®… ∫…®…Œπ]ı E‰Ú P…x…i¥… E‰Ú P…]ıx…‰-§…g¯x…‰ E‰Ú S……Æ˙ ®…⁄±…¶…⁄i… |…GÚ®…… EÚ…‰ ∫{…π]ı EÚ“ V…™…‰*
Explain four basic processes due to fluctuation in density of a


population in a given habitat
...


1
=2
2

V…Ë¥… ¥… ¥…v…i…… EÚ“ I… i… E‰Ú EÚ…‰<« n˘…‰ EÚ…Æ˙h……Â EÚ…‰ ∫{…π]ı EÚ“ V…™…‰*
+l…¥……
∫¥…∫l……x…‰ ∫…ΔÆ˙I…h… +…ËÆ˙ §……¡ ∫l……x…‰ ∫…ΔÆ˙I…h… ®…Â +xi…Æ˙ ∫{…π]ı EÚ“ V…™…‰*
Explain any two reasons of biodiversity loss
...

1+1=2
SS—42—Bio
...
SS–5542
...


{…Æ˙…M…-∫j…“E‰Ú∫…Æ˙ ∫…ΔEÚπ…«h… ({……Æ˙∫{… Æ˙EÚ  GÚ™……) EÚ…‰  ¥…∫i……Æ˙ ∫…‰ ∫…®…Z……<™…‰*
Describe pollen-pistil interaction in detail
...


3

®……x…¥… ®… À±…M…- x…v……«Æ˙h… EÚ“  GÚ™……  ¥… v… EÚ…‰ ∫…®…Z……<™…‰*
Explain the mechanism of sex-determination in humans
...


3

§……™……‰ Æ˙BC]ıÆ˙ C™…… Ω˲ ? <∫…EÚ“ EÚ…™…« |…h……±…“ ∫…®…Z……<™…‰*
+l…¥……
V…“x… C±……‰Àx…M… ®… BO……‰§…‰C]ı“ Æ˙™…®… ]¬ı™…⁄®…“°‰Ú ∫…BΔ∫… E‰Ú EÚ…™…« EÚ…‰ ∫…®…Z……<™…‰*
What is bioreactor ? Explain its functioning
...


3

J…hb˜ - n˘
SECTION - D
28
...
Draw a diagram
of t-RNA
...
Draw a representative diagram of Human genome
project
...


1+2+1=4

...


7
29
...
Write the full name of
AIDS pathogen
...


1+1+1+1=4
OR

Write the name of pathogen of typhoid
...

30
...
Draw line diagram of a
food chain
...


SS—42—Bio
...
SS–5542
Title: paper of biology
Description: biology paper helps to know students about the type of questions