NIOS Class 12 October 2024 Question Paper Biology

This Question Paper consists of 43 questions and 19 printed pages.
ß‚ ¬˝‡Ÿ-¬òÊ ◊¥ 43 ¬˝‡Ÿ ÃÕÊ 19 ◊ÈÁŒ˝Ã ¬Îc∆U „Ò¥–

Roll No. Code No.
•ŸÈ∑˝§◊Ê¥∑§ ∑§Ê«U Ÿ¥.
68/ESS/1
SET/‚ ≈ A
BIOLOGY (Theory)
¡ËflÁflôÊÊŸ (Á‚hÊãÃ)
(314)
Day and Date of Examination :
(¬⁄UˡÊÊ ∑§Ê ÁŒŸ fl ÁŒŸÊ¥∑§)
Signature of Invigilators :
(ÁŸ⁄UˡÊ∑§Ê¥ ∑§ „SÃÊˇÊ⁄U) 1.

2.

General Instructions :
1. Candidate must write his/her Roll Number on the first page of the Question Paper.
2. Please check the Question Paper to verify that the total pages and total number of questions contained in the
Question Paper are the same as those printed on the top of the first page. Also check to see that the questions are
in sequential order.
3. Making any identification mark in the Answer-Book or writing Roll Number anywhere other than the specified
places will lead to disqualification of the candidate.
4. Write your Question Paper code No. 68/ESS/1-A on the Answer-Book.
5. (a) The Question Paper is in English/Hindi medium only. However, if you wish, you can answer in any one
of the languages listed below :
English, Hindi, Urdu, Punjabi, Bengali, Tamil, Malayalam, Kannada, Telugu, Marathi, Oriya, Gujarati, Konkani,
Manipuri, Assamese, Nepali, Kashmiri, Sanskrit and Sindhi.
You are required to indicate the language you have chosen to answer in the box provided in the Answer-Book.
(b) If you choose to write the answer in the language other than Hindi and English, the responsibility for any
errors/mistakes in understanding the question will be yours only.
6. In case of any doubt or confusion in the question paper, the English Version will prevail.
‚Ê◊Êãÿ •ŸÈŒ‡Ê —
1. ¬⁄UˡÊÊÕ˸ ¬˝‡Ÿ-¬òÊ ∑§ §¬„‹ ¬Îc∆U ¬⁄U •¬ŸÊ •ŸÈ∑˝§◊Ê¥∑§ •fl‡ÿU Á‹π¥–
2. ∑Χ¬ÿÊ ¬˝‡Ÿ-¬òÊ ∑§Ê ¡ÊÚ°ø ‹¥ Á∑§ ¬˝‡Ÿ-¬òÊ ∑§ ∑ȧ‹ ¬Îc∆UÊ¥ ÃÕÊ ¬˝‡ŸÊ¥ ∑§Ë ©ÃŸË „Ë ‚¥ÅUÿÊ „Ò Á¡ÃŸË ¬˝Õ◊ ¬Îc∆ ∑ §‚’‚ ™§¬⁄U ¿U¬Ë „Ò– ß‚
’Êà ∑§Ë ¡ÊÚ°ø ÷Ë ∑§⁄U ‹¥ Á∑§ ¬˝‡Ÿ ∑˝ Á◊∑§ UM§¬ ◊¥ „Ò¥–
3. § ©ûÊ⁄U-¬ÈÁSUÃ∑§Ê ◊¥ ¬„øÊŸ-Áøq ’ŸÊŸ •ÕflÊ ÁŸÁŒ¸c≈U SÕÊŸÊ¥ ∑§§•ÁÃÁ⁄UÄà ∑§„Ë¥ ÷Ë •ŸÈ∑§˝ ◊Ê¥∑§ Á‹πŸ ¬⁄U ¬⁄UˡÊÊÕ˸ ∑§Ê •ÿÊÇÿ ∆U„⁄UÊÿÊ ¡ÊÿªÊ–
4. •¬ŸË ©ûÊ⁄U-¬ÈÁSUÃ∑§Ê ¬⁄U ¬˝‡Ÿ-¬òÊ ∑§Ê ∑§Ê«U Ÿ¥. 68/ESS/1-A Á‹π¥–
5. (∑§) ¬˝‡Ÿ-¬òÊ ∑§fl‹ Á„¥ŒË/•¥ª˝¡Ë ◊Êäÿ◊ ◊¥ „Ò– Á»§⁄U ÷Ë, ÿÁŒ •Ê¬ øÊ„¥ ÃÊ ŸËø ŒË ªß¸ Á∑§‚Ë ∞∑§ ÷Ê·Ê ◊¥ ©ûÊ⁄ Œ ‚∑§Ã „Ò¥ —
•¥ª˝¡Ë, Á„¥ŒË, ©ŒÍ¸, ¬¥¡Ê’Ë, ’°ª‹Ê, ÃÁ◊‹, ◊‹ÿÊ‹◊, ∑§ãŸ«∏, Ã‹ÈªÈ, ◊⁄UÊ∆UË, ©Á«∏ÿÊ, ªÈ¡⁄UÊÃË, ∑§Ê¥∑§áÊË, ◊ÁáʬÈ⁄UË, •‚Á◊ÿÊ,
Ÿ¬Ê‹Ë, ∑§‡◊Ë⁄UË, ‚¥S∑Χç•ÊÒ⁄U Á‚¥œË–
∑Χ¬ÿÊ ©ûÊ⁄U-¬ÈÁSÃ∑§Ê ◊¥ ÁŒ∞ ª∞ ’ÊÚÄ‚ ◊¥ Á‹π¥ Á∑§ •Ê¬ Á∑§‚ ÷Ê·Ê ◊¥ ©ûÊ⁄U Á‹π ⁄U„ „Ò¥–
(π) ÿÁŒ •Ê¬ Á„¥ŒË ∞fl¥ •¥ª˝¡Ë ∑§ •ÁÃÁ⁄UÄà Á∑§‚Ë •ãÿ ÷Ê·Ê ◊¥ ©ûÊ⁄U Á‹πÃ „Ò¥, ÃÊ ¬˝‡Ÿ ∑§Ê ‚◊¤ÊŸ ◊¥ „ÊŸ flÊ‹Ë
òÊÈÁ≈UÿÊ¥/ª‹ÁÃÿÊ¥ ∑§Ë Á¡ê◊UŒÊ⁄Ë ∑ fl‹ •Ê¬∑§Ë „ÊªË–
6. ¬˝‡Ÿ¬òÊ ◊¥ Á∑§‚Ë ÷Ë ¬˝∑§Ê⁄U ∑§ ‚¥Œ„ •ÕflÊ ŒÈÁflœÊ ∑§Ë ÁSÕÁà ◊¥ •¥ª˝¡Ë •ŸÈflÊŒ „Ë ◊Êãÿ „ÊªÊ–

68/ESS/1-314-A ] 1 [ Contd...

BIOLOGY (Theory)
¡ËflÁflôÊÊŸ (Á‚hÊãÃ)
(314)

Time : 3 Hours ] [ Maximum Marks : 80
‚◊ÿ — 3 ÉÊá≈U ] [ ¬ÍáÊÊZ∑§ — 80

Note : (i) This Question Paper consists of 43 questions.

(ii) All questions are compulsory. Write your answers in Answer-book.

(iii) Marks are given against each question.

Section-A consists of Question Nos. 1 to 16 are objective type Multiple-choice type
questions (MCQs) carrying 1 mark each. Select and write the most appropriate option

out of the four options given in each of these questions.

Section-B consists of Question Nos. 17 to 28 - Objective-type questions carrying 2 marks
(with 2 sub-parts of 1 mark each). Attempt these questions as per the instructions
given for each of the questions.

Section-C Question Nos. 29 to 37-Very short answer-type questions carrying 2 marks

each to be answered in the range of 30 to 50 words. Internal choices have been provided
in some of these questions. You have to attempt only one of the given choices in such
questions.

Section-D Question Nos. 38 to 41-Short answer-type questions carrying 3 marks each
to be answered in the range of 50 to 80 words. Internal choices have been provided in
some of these questions. You have to attempt only one of the given choices in such

questions.

Section-E Question Nos. 42 and 43-Long answer-type questions carrying 5 marks each
to be answered in the range of 80 to 120 words. Internal choices have been provided in
some of these questions. You have to attempt only one of the given choices in such

questions.

68/ESS/1-314-A ] 2 [ Contd...

ÁŸŒ¸‡Ê — (i) ß‚ ¬˝‡Ÿ-¬òÊ ◊¥ ∑ȧ‹ 43 ¬˝‡Ÿ „Ò¥–
(ii) ‚÷Ë ¬˝‡Ÿ •ÁŸflÊÿ¸ „Ò¥– ©Ÿ∑§ ©ûÊ⁄U ©ûÊ⁄U-¬ÈÁSÃ∑§Ê ◊¥ Á‹Áπ∞–
(iii) ¬˝àÿ∑§ ¬˝‡Ÿ ∑§ •¥∑§ ©‚∑§ ‚Ê◊Ÿ Œ‡Êʸ∞ ª∞ „Ò¥–

πá«U-∑§ ¬˝‡Ÿ ‚¥ÅÿÊ 1 ‚ 16 Ã∑§ flSÃÈÁŸc∆U ¬˝∑§Ê⁄U ∑§ ’„È-Áfl∑§À¬Ë (MCQs) ¬˝‡Ÿ „Ò¥– ¬˝àÿ∑§ ¬˝‡Ÿ
1 •¥∑§ ∑§Ê „Ò– ÁŒ∞ ª∞ øÊ⁄U Áfl∑§À¬Ê¥ ◊¥ ‚ ‚fl¸ ‚◊ÈÁøà Áfl∑§À¬ ∑§Ê ©ûÊ⁄U ∑§ M§¬ ◊¥ Á‹Áπ∞–
πá«U-π ¬˝‡Ÿ ‚¥ÅÿÊ 17 ‚ 28 flSÃÈÁŸc∆U ¬˝∑§Ê⁄U ∑§ ¬˝‡Ÿ „Ò¥– ¬˝àÿ∑§ ¬˝‡Ÿ 2 •¥∑§Ê¥ ∑§Ê „Ò– (¬˝àÿ∑§ ¬˝‡Ÿ ◊¥

1 •¥∑§ ∑§ ŒÊ ©¬÷ʪ „Ò¥)– ÁŒ∞ ª∞ •ŸÈŒ‡ÊÊŸÈ‚Ê⁄U ¬˝‡ŸÊ¥ ∑§ ©ûÊ⁄U Á‹Áπ∞–
πá«U-ª ¬˝‡Ÿ ‚¥ÅÿÊ 29 ‚ 37 Ã∑§ ∑§ ¬˝‡Ÿ •Áà ‚¥ÁˇÊåÃ-©ûÊ⁄UËÿ ¬˝‡Ÿ „Ò¥– ¬˝àÿ∑§ ¬˝‡Ÿ 2 •¥∑§Ê¥ ∑§Ê „Ò,
Á¡‚∑§Ê ©ûÊ⁄U ‹ª÷ª 30 ‚ 50 ‡ÊéŒÊ¥ ∑§Ê „Ê ‚∑§ÃÊ „Ò– ∑ȧ¿U ¬˝‡ŸÊ¥ ◊¥ •Ê¥ÃÁ⁄U∑§ Áfl∑§À¬ ÁŒ∞ ª∞ „Ò¥– •Ê¬∑§Ê

©Ÿ◊¥ ‚ ∑§fl‹ ∞∑§ ¬˝‡Ÿ ∑§Ê ©ûÊ⁄U Á‹πŸÊ „Ò–
πá«U-ÉÊ ¬˝‡Ÿ ‚¥ÅÿÊ 38 ‚ 41 Ã∑§ ‹ÉÊÈ-©ûÊ⁄UËÿ ¬˝‡Ÿ „Ò¥– ¬˝àÿ∑§ ¬˝‡Ÿ 3 •¥∑§Ê¥ ∑§Ê „Ò, Á¡‚∑§Ê ©ûÊ⁄U ‹ª÷ª
50 ‚ 80 ‡ÊéŒÊ¥ ∑§Ê „Ê ‚∑§ÃÊ „Ò– ∑ȧ¿U ¬˝‡ŸÊ¥ ◊¥ •Ê¥ÃÁ⁄U∑§ Áfl∑§À¬ ÁŒ∞ ª∞ „Ò¥– •Ê¬∑§Ê ©Ÿ◊¥ ‚ ∑§fl‹ ∞∑§
¬˝‡Ÿ ∑§Ê ©ûÊ⁄U Á‹πŸÊ „Ò–

πá«U-æ§ ¬˝‡Ÿ ‚¥ÅÿÊ 42 ÃÕÊ 43 ŒËÉʸ-©ûÊ⁄UËÿ ¬˝‡Ÿ „Ò¥– ¬˝àÿ∑§ ¬˝‡Ÿ 5 •¥∑§Ê¥ ∑§Ê „Ò– ©ûÊ⁄U 80 ‚ 120 ‡ÊéŒÊ¥
∑§Ê „Ê ‚∑§ÃÊ „Ò– ∑ȧ¿U ¬˝‡ŸÊ¥ ◊¥ •Ê¥ÃÁ⁄U∑§ Áfl∑§À¬ ÁŒ∞ ª∞ „Ò¥– •Ê¬∑§Ê ©Ÿ◊¥ ‚ ∑§fl‹ ∞∑§ ¬˝‡Ÿ ∑§Ê ©ûÊ⁄U
Á‹πŸÊ „Ò–
(1) Answer of all questions are to be given in the Answer-Book given to you.

‚÷Ë ¬˝‡ŸÊ¥ ∑§ ©ûÊ⁄U •Ê¬∑§Ê ŒË ªß¸ ©ûÊ⁄U-¬ÈÁSÃ∑§Ê ◊¥ „Ë Á‹π¥–
(2) 15 minutes time has been allotted to read this question paper. The question paper will be

distributed at 2:15 p.m. From 2:15 p.m. to 2:30 p.m., the students will read the question
paper only and will not write any answer on the Answer-Book during this period.

ß‚ ¬˝‡Ÿ-¬òÊ ∑§Ê ¬…∏Ÿ ∑§ Á‹∞ 15 Á◊Ÿ≈U ∑§Ê ‚◊ÿ ÁŒÿÊ ªÿÊ „Ò– ¬˝‡Ÿ-¬òÊ ∑§Ê ÁflÃ⁄UáÊ ŒÊ¬„⁄U ◊¥ 2:15 ’¡ Á∑§ÿÊ
¡Ê∞ªÊ– ŒÊ¬„⁄U 2:15 ’¡ ‚ 2:30 ’¡ Ã∑§ ¿UÊòÊ ∑§fl‹ ¬˝‡Ÿ-¬òÊ ∑§Ê ¬…∏¥ª •ÊÒ⁄U ß‚ •flÁœ ∑§ ŒÊÒ⁄UÊŸ fl ©ûÊ⁄U-
¬ÈÁSÃ∑§Ê ¬⁄U ∑§Ê߸ ©ûÊ⁄U Ÿ„Ë¥ Á‹π¥ª–

68/ESS/1-314-A ] 3 [ Contd...

SECTION - A / πá«U - ∑§

Q. No. 1-16 are the objective type MCQ of 1 mark each :

¬˝‡Ÿ ‚¥ÅÿÊ 1 ‚ 16 Ã∑§ ∑§ flSÃÈÁŸc∆U ’„ÈÁfl∑§À¬Ë ¬˝‡Ÿ „Ò¥– ¬˝àÿ∑§ ¬˝‡Ÿ 1 •¥∑§ ∑§Ê „Ò–

1. The bacteria that help in the fixation of atmospheric nitrogen : 1

(A) Rhizobium (B) Streptomyces

(C) Salmonella (D) Lactobacillus

flÊÿÈ◊á«U‹Ëÿ ŸÊß≈˛UÊ¡Ÿ ∑§ ÁSÕ⁄UË∑§⁄UáÊ ◊¥ ‚„Êÿ∑§ ¡ËflÊáÊÈ „Ò —

(A) ⁄UÊß¡ÊÁ’ÿ◊ (B) S≈˛Uå≈UÊ◊Êß‚Ë¡

(C) ‚ÊÀ◊ÊŸ‹Ê (D) ‹ÒÄ≈UÊ’Ò‚Ë‹‚

2. Which one of the following represent the gametophyte of fern ? 1

(A) Indusium (B) Sorus

(C) Prothallus (D) Frond

ÁŸêŸÁ‹Áπà ◊¥ ‚ ∑§ÊÒŸ ‚Ë ‚¥⁄UøŸÊ »§Ÿ¸ ∑§Ê ªÒÁ◊≈UÊ»§Êß≈U „Ò?

(A) ‚Ê⁄U‚ë¿UŒ (ߥ«ÈUÁ‚ÿ◊) (B) ‚Ê⁄U‚

(C) ¬˝ÊÕÒ‹‚ (D) ¬˝¬áʸ

3. Which one of the following is the living part of xylem ? 1

(A) Tracheid (B) Vessel

(C) Xylem Fibre (D) Xylem Parenchyma

ÁŸêŸÁ‹Áπà ◊¥ ‚ ∑§ÊÒŸ ‚Ë ‚¥⁄UøŸÊ ¡Êß‹◊ ∑§Ê ¡ËÁflà ÷ʪ „Ò?

(A) ≈˛ÒU∑§Ë«U (B) flÊÁ„∑§Ê∞°

(C) ¡Êß‹◊ ⁄U‡Ê (D) ¡Êß‹◊ ¬Ò⁄Uã∑§Êß◊Ê

68/ESS/1-314-A ] 4 [ Contd...

4. Name the cells that are seen in the lymph nodes and attack bacteria : 1
(A) Lymphocytes (B) Monocytes
(C) Granulocytes (D) Erythrocytes
©Ÿ ∑§ÊÁ‡Ê∑§Ê•Ê¥ ∑§Ê ¬„øÊÁŸÿ ¡Ê ‹‚Ë∑§Ê ¬fl¸ ◊¥ ¬Ê∞ ¡ÊÃË „Ò ÃÕÊ ⁄UÊªÊáÊÈ•Ê¥ (¡ËflÊáÊÈ•Ê¥) ¬⁄U •Ê∑˝§◊áÊ ∑§⁄UÃ „Ò —
(A) ‹‚Ë∑§ÊáÊÈ (B) ∞∑§‹ÊáÊÈ (◊ÊŸÊ‚Êß≈˜U‚)
(C) ∑§ÁáÊ∑§ÊáÊÈ (D) ‹Ê‹L§Áœ⁄U ∑§ÁáÊ∑§Ê∞° (⁄UÄÃÊáÊÈ)

5. The blood protein that provides factors for clotting is : 1
(A) Albumin (B) Fibrinogen (C) Globulin (D) Thrombin
L§Áœ⁄U ¬˝Ê≈UËŸ ¡Ê ⁄UÄà ∑§ S∑¥§ŒŸ (ÕÄ∑§Ê ¡◊Ÿ) ∑§ Á‹∞ ∑§Ê⁄U∑§ ¬˝ŒÊŸ ∑§⁄UÃË „Ò —
(A) ∞À’ÍÁ◊Ÿ (B) »§ÊßÁ’˝ŸÊ¡Ÿ (C) Ç‹Ê’ÈÁ‹Ÿ (D) Õ˝ÊÚÁê’Ÿ

6. Identify “A” in the given diagram : 1

(A) Cerebellum (B) Cerebrum
(C) Medulla oblongata (D) Pons
ÁøòÊ ◊¥ ŸÊ◊Ê¥∑§Ÿ “A” ∑§Ê ¬„øÊÁŸ∞ —

(A) •ŸÈ◊ÁSÃc∑§ (B) ¬˝◊ÁSÃc∑§
(C) ◊«∏KÍ‹Ê •ÊÚé‹Ê°ª≈UÊ (D) ¬ÊÚã‚

7. Which one of the following is not produced due to under secretion of thyroxine ? 1
(A) Goitre (B) Cretinism
(C) Myxoedema (D) Rickets
ÕÊÿ⁄UÊÚÁÄ‚Ÿ ∑§ •À¬ dfláÊ ∑§ ∑§Ê⁄UáÊ ÁŸêŸÁ‹Áπà ◊¥ ‚ ÄÿÊ Ÿ„Ë¥ ’ŸÃÊ („ÊÃÊ)?
(A) ‚⁄U‹ ª‹ª¥«U (B) •fl≈ÈUflÊ◊ÃÊ (∑˝§≈UËŸÃÊ)
(C) ÁêÊÁÄ‚«UË◊Ê (D) Á⁄U∑§≈˜‚

68/ESS/1-314-A ] 5 [ Contd...

8. Which one of the following adaptations is seen in plants to promote self-pollination ? 1
(A) Cleistogamy (B) Dichogamy (C) Unisexuality (D) Self-sterility
¬ÊÒœÊ¥ ◊¥ Sfl¬⁄UʪáÊ ‚ÈÁŸÁ‡øà ∑§⁄UŸ „ÃÈ ∑§ÊÒŸ ‚Ê •ŸÈ∑ͧ‹Ÿ ¬Á⁄U‹ÁˇÊà (•¬ŸÊÿÊ ¡ÊÃÊ) „ÊÃÊ „Ò?
(A) •ŸÈã◊ËÀÿ ¬⁄UʪáÊ (B) Á÷ãŸ∑§Ê‹ ¬Á⁄U¬ÄflÃÊ (C) ∞∑§‹Ò¥Áª∑§ÃÊ (D) Sfl’¥äÿÃÊ

9. Corpus luteum produces : 1
(A) Oestrogen (B) Androgens (C) Progesterone (D) Prolactin
¬ËÃÁ¬¥«U (∑§ÊÚ¬¸‚ ÀÿÈÁ≈Uÿ◊) ÁŸÁ◊¸Ã ∑§⁄UÃË „Ò¥ —
(A) ∞S≈˛UÊ¡Ÿ (B) ∞᫲UÊ¡Ÿ (C) ¬˝Ê¡S≈U⁄UÊÚŸ (D) ¬˝Ê‹ÒÁÄ≈UŸ

10. In the following flow chart A, B, C and D represents : 1

(A) A-AA+ZW, B-A+W, C-AA+ZW, D-AA+ZW
(B) A-AA+ZZ, B-A+W, C-AA+ZW, D-AA+ZW
(C) A-AA+ZW, B-A+Z, C-AA+ZW, D-AA+ZW
(D) A-AA+ZW, B-A+W, C-AA+ZW, D-AA+ZZ
ŸËø ÁŒ∞ ª∞ øÊ≈¸U ◊¥ A, B, C ÃÕÊ D ÄÿÊ ÁŸM§Á¬Ã ∑§⁄UÃ „Ò?

(A) A-AA+ZW, B-A+W, C-AA+ZW, D-AA+ZW
(B) A-AA+ZZ, B-A+W, C-AA+ZW, D-AA+ZW
(C) A-AA+ZW, B-A+Z, C-AA+ZW, D-AA+ZW
(D) A-AA+ZW, B-A+W, C-AA+ZW, D-AA+ZZ

68/ESS/1-314-A ] 6 [ Contd...

11. The formation of RNA from DNA is known as : 1
(A) Translation (B) Transcription
(C) Transformation (D) Transduction
DNA ‚ RNA ’ŸŸ ∑§Ë Á∑˝§ÿÊ ∑§Ê ∑§„Ã „Ò¥ —

(A) ≈˛UÊ¥‚‹‡ÊŸ (B) ≈˛UÊ¥‚Á∑˝§å‡ÊŸ (•ŸÈ‹πŸ)
(C) ≈˛UÊã‚»§Ê◊¸‡ÊŸ (M§¬Ê¥Ã⁄UáÊ) (D) ≈˛UÊ¥‚«Ućʟ

12. In the given food chain identify the trophic level of frog. 1

(A) First trophic level (B) Second trophic level
(C) Third trophic level (D) Tertiary trophic level
ŸËø Œ‡Êʸ߸ ªß¸ πÊl oÎ¥ÅÊ‹Ê ◊¥ ◊¥…∏∑§ ∑§Ê ¬Ê·áÊ SÃ⁄U ∑§Ë ¬„øÊŸ ∑§ËÁ¡∞–

ÉÊÊ‚ ∑§Ë≈U ◊¥…∏∑§ ‚Ê°¬
(A) ¬˝Õ◊ ¬Ê·áÊ SÃ⁄U (B) ÁmÃËÿ ¬Ê·áÊ SÃ⁄U
(C) ÃÎÃËÿ ¬Ê·áÊ SÃ⁄U (D) øÃÈÕ¸ ¬Ê·áÊ SÃ⁄U

13. The biological community in an area or ecosystem is a complex network of interactions. 1
Interactions may be of various types. In commensalism type :
(A) One species gets benefitted and the other species is neither harmed nor benefitted.
(B) One species is inhibited and the other is unaffected.
(C) One species is benefitted and the other is harmed and inhibited.
(D) Both the species are benefitted.
Á∑§‚Ë ˇÊòÊ ∑§Ê ¡ÒÁfl∑§ ‚◊ÈŒÊÿ ÿÊ ¬ÊÁ⁄UÃ¥òÊ ¬Ê⁄US¬Á⁄U∑§ Á∑˝§ÿÊ•Ê¥ ∑§Ê ∞∑§ ¡Á≈U‹ ¡Ê‹∑˝§◊ „Ò– ¬Ê⁄US¬Á⁄U∑§ Á∑˝§ÿÊ ÁflÁ÷ãŸ
¬˝∑§Ê⁄U ∑§Ë „Ê ‚∑§ÃË „Ò– ‚„ÿÊÁ¡ÃÊ ◊¥ —
(A) ∞∑§ S¬Ë‡ÊË¡ ∑§Ê ‹Ê÷ „ÊÃÊ „Ò ¡’Á∑§ ŒÍ‚⁄UË S¬Ë‡ÊË¡ ∑§Ê Ÿ ÃÊ ‹Ê÷ „ÊÃÊ „Ò •ÊÒ⁄U Ÿ „Ë „ÊÁŸ „ÊÃË „Ò–
(B) ∞∑§ S¬Ë‡ÊË¡ ÁŸ·ÁœÃ „ÊÃË „Ò ÃÕÊ ŒÍ‚⁄UË •¬˝÷ÊÁflà ⁄U„ÃË „Ò–
(C) ∞∑§ S¬Ë‡ÊË¡ ∑§Ê ‹Ê÷ „ÊÃÊ „Ò ÃÕÊ ŒÍ‚⁄UË ∑§Ê „ÊÁŸ ÃÕÊ ÁŸ·œ „ÊÃÊ „Ò–
(D) ŒÊŸÊ¥ S¬Ë‡ÊË¡ ∑§Ê ‹Ê÷ „ÊÃÊ „Ò–

68/ESS/1-314-A ] 7 [ Contd...

14. Biotechnology helps in synthesizing enzymes from cloned genes. Your friend wants to 1
manufacture meat tenderisers. Which enzyme would you recommend to him ?
(A) Lipases (B) Proteases (C) Amylases (D) Glucoisomerases
¡Òfl¬˝ÊÒlÊÁª∑§Ë Ä‹ÊÁŸÃ ¡ËŸ ‚ Á∑§áfl∑§ (∞¥¡Êß◊) ‚¥‡‹Á·Ã ∑§⁄UŸ ◊¥ ‚„Êÿ∑§ „Ò– •Ê¬∑§Ê Á◊òÊ ◊Ê°‚ ◊ÎŒÈ∑§Ê⁄U∑§ ∑§Ê
©à¬ÊŒŸ ∑§⁄UŸÊ øÊ„ÃÊ „Ò– ß‚ ∑§Êÿ¸ ∑§ Á‹∞ •Ê¬ Á∑§‚ Á∑§áfl∑§ (∞¥¡Êß◊) ∑§Ê ‚ȤÊÊfl Œ¥ª?
(A) ‹Ê߬¡ (B) ¬˝ÊÁ≈U∞¡ (C) ∞◊Êß‹¡ (D) Ç‹È∑§Ê•Êß‚Ê◊⁄U¡

15. Which one of the following is not the step of microinjection process in biotechnology ? 1
(A) Collection and In-vitro maturation of oocytes
(B) In-vitro fertilization with male semen
(C) Microinjection of “input DNA” into male pronuclei
(D) Infection of pre-implantation embryos with retroviruses carrying foreign DNA
ÁŸêŸÁ‹Áπà ◊¥ ‚ ∑§ÊÒŸ ‚Ê ø⁄UáÊ ¡Òfl ¬˝ÊÒlÊÁª∑§Ë ∑§ ◊Êß∑˝§Êߥ¡ćʟ ¬˝∑˝§◊ ∑§Ê ø⁄UáÊ Ÿ„Ë¥ „Ò?
(A) •¥«U∑§Ê¥ ∑§Ê ‚¥ª˝„áÊ ÃÕÊ ¬ÊòÊ (ߟÁfl≈˛UÊ) ¬Á⁄U¬ÄflŸ
(B) Ÿ⁄U ∑§ ‡ÊÈ∑˝§ÊáÊÈ mÊ⁄UÊ ¬ÊòÊ ÁŸ·øŸ
(C) ÁŸfl‡ÊË «UË ∞Ÿ ∞ ∑§Ê Ÿ⁄U ¬˝ÊÄ∑§ãŒ˝∑§ ◊¥ ◊Êß∑˝§Êߥ¡ćʟ
(D) ¬˝Ê⁄¥UÁ÷∑§ •flSÕÊ flÊ‹ ÷˝ÍáÊ ∑§Ê ª˝Ês ◊ÊŒÊ ◊¥ •Ê⁄UÊÁ¬Ã ∑§⁄UŸ ‚ ¬Ífl¸ Áfl¡ÊÃËÿ «UË ∞Ÿ ∞ ∑§Ê ¬‡ø flÊÿ⁄U‚ mÊ⁄UÊ
‚¥∑˝§Á◊à ∑§⁄UŸÊ–

16. Identify the immunoglobulin found in highest concentration in our body :
1
(A) IgD (B) IgA (C) IgG (D) IgM
„◊Ê⁄U ‡Ê⁄UË⁄U ◊¥ ‚flʸÁœ∑§ ‚Ê¥Œ˝ÃÊ (◊ÊòÊÊ) ◊¥ ¬Ê∞ ¡ÊŸ flÊ‹ ßêÿÈŸÊÇ‹ÊéÿÈÁ‹Ÿ ∑§Ê ¬„øÊÁŸ∞ —
(A) IgD (B) IgA (C) IgG (D) IgM

SECTION - B / πá«U - π
Question No. 17 - 28 objective type questions carry 2 marks each (with 2 sub-parts of 1 mark
each). Attempt these questions as per the instructions given for each of the questions.
¬˝‡Ÿ ‚¥ÅÿÊ 17 - 28 flSÃȬ⁄U∑§ ¬˝‡Ÿ „Ò¥– ¬˝àÿ∑§ ¬˝‡Ÿ ∑§ 2 •¥∑§ „Ò (Á¡‚∑§ ŒÊ ©¬¬˝‡Ÿ „Ò¥, ¬˝àÿ∑§ ∑§Ê 1 •¥∑§ „Ò)–
¬˝àÿ∑§ ¬˝‡Ÿ ◊¥ ÁŒ∞ ª∞ ÁŸŒ¸‡ÊÊ¥ ∑§ •ŸÈ‚Ê⁄U ߟ∑§Ê ©ûÊ⁄U ŒËÁ¡∞–
17. Name the following : 2
(i) Excretory organs of earthworm - __________
(ii) Naked seeds are the characteristic feature of this group of plants - __________
ÁŸêŸÁ‹Áπà ∑§ ŸÊ◊ Á‹Áπ∞ —
(i) ∑¥§øÈ•Ê (∞) ∑§ ©à‚¡Ë¸ •¥ª „Ò¥ - __________
(ii) ŸÇŸ ’Ë¡Ê¥ flÊ‹ ¬ÊÒœÊ¥ ∑§ ß‚ flª¸ ∑§Ê ŸÊ◊ „Ò - __________

68/ESS/1-314-A ] 8 [ Contd...

18. Match Column-I with the functions given in Column-II. 2

Column-I Column-II

(i) Pneumatophores (a) Roots with chlorophyll and manufacture food

(ii) Haustoria (b) Roots developing from nodes and provide anchorage

(c) Roots which grow vertically up in the air and help
in respiration

(d) Roots which penetrate the host plant and suck food
from host

SÃê÷ - I ◊¥ ŒË ªß¸ ‚¥⁄UøŸÊ•Ê¥ ∑§Ê SÃê÷ - II ◊¥ ÁŒ∞ ª∞ ¬˝∑§ÊÿÊZ ∑§ ‚ÊÕ ‚◊ÈÁøà Á◊‹ÊŸ ∑§ËÁ¡∞–
SÃê÷ - I SÃê÷ - II
(i) flÊìÈ≈UËœ⁄U (ãÿÍ◊≈UÊ»§Ê⁄U) (a) Ä‹Ê⁄UÊÁ»§‹ ÿÈÄà ¡«∏¥ ÃÕÊ πÊl ‚¥‡‹·áÊ–
(ii) øÍ·∑§Ê¥ª („ÊÚS≈UÁ⁄UÿÊ) (b) SÃ¥÷ (ß) ∑§Ë ¬fl¸ ‚ ©à¬ãŸ ¡«∏¥ ¡Ê ‚„Ê⁄UÊ ¬˝ŒÊŸ ∑§⁄UÃË „Ò¥–
(c) ¡«∏¥ ™§¬⁄U ∑§Ë •Ê⁄U flÊÿÈ ◊¥ flÎÁh ∑§⁄UÃË „Ò¥ ÃÕÊ ‡fl‚Ÿ ◊¥ ‚„Êÿ∑§ „Ò¥–
(d) ¬⁄U¬Ê·Ë ¬ÊŒ¬ ∑§ ‡Ê⁄UË⁄U ∑§Ê ÷Œ ∑§⁄U •¥Œ⁄U ø‹Ë ¡ÊÃË „Ò¥ ÃÕÊ ¬Ê·∑§Ê¥
∑§Ê øÍ‚ ‹ÃË „Ò¥–

19. Observe the diagrams given below and assign the correct name from the list supplied. 2
(Attempt any two parts from A-D)

(Rhizome, Tuber, Corm, Bulb)

ŸËø ÁŒ∞ ª∞ ÁøòÊÊ¥ ∑§Ê ¬˝ˇÊáÊ ∑§ËÁ¡∞ ÃÕÊ ŒË ªß¸ ‚ÍøË ‚ ©Ÿ∑§ ‚„Ë ŸÊ◊ ∑§ ‚ÊÕ Á◊‹ÊŸ ∑§ËÁ¡∞– (A-D ◊¥ ‚ Á∑§ã„Ë¥
ŒÊ ∑§ ©ûÊ⁄U Á‹Áπ∞)
(¬˝∑¥§Œ, ∑¥§Œ, ÉÊŸ∑¥§Œ, ‡ÊÀ∑§∑¥§Œ)

68/ESS/1-314-A ] 9 [ Contd...

20. Photosynthesis occurs in green parts of the plants mostly the leaves which have chloroplasts. 2
The thylakoids of chloroplast contain pigments which absorb light of different wavelengths
and carry out the photochemical reactions. These pigments are packed into functional clusters
called photosystems-PS-I and PS-II.
(a) Name the pigments that constitute the photosystems.
(b) What is the function of Photosystems ?

¬˝∑§Ê‡Ê ‚¥‡‹·áÊ ¬ÊÒœÊ¥ ∑§ „⁄U ÷ʪ ◊ÈÅÿ× ¬ÁûÊÿÊ¥ ◊¥ ‚¥¬ãŸ „ÊÃÊ „Ò Á¡Ÿ◊¥ „Á⁄UËfl∑§ (Ä‹Ê⁄UÊå‹ÊS≈U) ¬Êÿ ¡ÊÃ „Ò¥–
„Á⁄UËfl∑§ ∑§ ÕÊß‹∑§ÊÚß«U ◊¥ fláʸ∑§ „ÊÃ „Ò¥ ¡Ê ÁflÁ÷㟠Ã⁄¥UªŒÒäÿ¸ flÊ‹Ë ¬˝∑§Ê‡Ê Á∑§⁄UáÊÊ¥ ∑§Ê •fl‡ÊÊÁ·Ã ∑§⁄UÃ „Ò ÃÕÊ
¬˝∑§Ê‡Ê ‚¥‡‹·áÊ ∑§Ë ¬˝∑§Ê‡Ê ⁄UÊ‚ÊÿÁŸ∑§ •Á÷Á∑˝§ÿÊ∞¥ ∑§⁄UÃ „Ò¥– ÿ„ fláʸ∑§ Á∑˝§ÿÊà◊∑§ ‚◊Í„Ê¥ (ªÈë¿UÊ¥) ◊¥ ‚¥ª˝Á„à „ÊÃ „Ò¥
Á¡ã„¥ ¬˝∑§Ê‡ÊÃ¥òÊ-I (PS-I) ÃÕÊ ¬˝∑§Ê‡ÊÃ¥òÊ-II (PS-II) ∑§„Ã „Ò¥–
(a) ©Ÿ fláʸ∑§Ê¥ ∑§ ŸÊ◊ Á‹Áπ∞ ¡Ê ¬˝∑§Ê‡ÊÃ¥òÊ ’ŸÊÃ „Ò¥–
(b) ¬˝∑§Ê‡ÊÃ¥òÊÊ¥ ∑§Ê ÄÿÊ ∑§Êÿ¸ „Ò?

21. Study the flow chart and complete it by substituting A-D with suitable words. (Attempt any 2
two parts from A-D).

ŸËø ÁŒ∞ ª∞ ¬˝flÊ„ øÊ≈¸U ∑§Ê •äÿÿŸ ∑§ËÁ¡∞ ÃÕÊ A-D ∑§Ê ‚◊ÈÁøà ‡ÊéŒÊ¥ mÊ⁄UÊ ¬˝ÁÃSÕÊÁ¬Ã ∑§⁄U ¬Í⁄UÊ ∑§ËÁ¡∞–
(A-D ◊¥ ‚ ∑§Ê߸ ŒÊ ÷ʪ ∑§ËÁ¡∞)

68/ESS/1-314-A ] 10 [ Contd...

22. Supply the technical term for the following : 2
(a) Division of other cells in embryo sac like synergids or antipodal cells to give rise to
additional embryos.
(b) The process in which the zygote may divide to give rise to two or more cells each of
which develops into a separate embryo.
ÁŸêŸÁ‹Áπà ∑§ Á‹∞ Ã∑§ŸË∑§Ë (¬ÊÁ⁄U÷ÊÁ·Ã) ‡ÊéŒ Á‹Áπ∞–
(a) ÷Í˝áÊ∑§Ê· ∑§Ë •ãÿ ∑§ÊÁ‡Ê∑§Ê•Ê¥ ‚„Êÿ ∑§ÊÁ‡Ê∑§Ê•Ê¥ ¬˝ÁÃ√ÿʂʥà ∑§ÊÁ‡Ê∑§Ê•Ê¥ ∑§ Áfl÷Ê¡Ÿ ‚ •ÁÃÁ⁄UÄà ÷˝ÍáÊ ∑§Ê
’ŸŸÊ–
(b) fl„ ¬˝∑˝§◊ Á¡‚◊¥ ÿÈÇ◊Ÿ¡ Áfl÷ÊÁ¡Ã „Ê∑§⁄U ŒÊ •ÕflÊ •Áœ∑§ ∑§ÊÁ‡Ê∑§Ê∞° ©à¬ãŸ ∑§⁄UÃÊ „Ò ¡Ê •‹ª-•‹ª ÷˝ÍáÊÊ¥
◊¥ Áfl∑§Á‚à „Ê ¡ÊÃË „Ò–

23. Match the statement given in Column-I with the right option in Column-II : 2
Column-I Column-II
(i) Copper-T (a) Interfere with the ovulation process and prevent fertilization
(ii) Condoms (b) Prevent sperms from meeting the ovulated egg
(c) Implantation is not possible
(d) Permanently prevent fertilization
SÃê÷-I ◊¥ ŒË ªß¸ ÿÈÁÄÃÿÊ¥ ∑§ Á‹∞ SÃê÷-II ◊¥ ÁŒ∞ ª∞ ∑§ÕŸÊ¥ ◊¥ ‚ ‚„Ë (‚◊ÈÁøÃ) Á◊‹ÊŸ ∑§ËÁ¡∞–
SÃê÷-I SÃê÷-II
(i) ∑§Ê¬⁄U-≈UË (a) •¥«UÊà‚ª¸ ◊¥ √ÿflœÊŸ ©à¬ãŸ ∑§⁄UÃÊ „Ò ÃÕÊ ÁŸ·øŸ ∑§Ê ⁄UÊ∑§ÃÊ „Ò
(ii) ∑¥§«UÊ◊ (ÁŸ⁄UÊœ) (b) ‡ÊÈ∑˝§ÊáÊÈ•Ê¥ ∑§Ê ÁŸ◊ȸÄà •¥«U ∑§ ‚ÊÕ Á◊‹Ÿ ∑§Ê ⁄UÊ∑§ÃÊ „Ò
(c) •Ê⁄UÊ¬áÊ ‚¥÷fl Ÿ„Ë¥ „Ê ¬ÊÃÊ
(d) ÁŸ·øŸ ∑§Ê SÕÊÿË M§¬ ‚ ’ÊÁœÃ (⁄UÊ∑§ ÁŒÿÊ) ∑§⁄U ÁŒÿÊ ¡ÊÃÊ „Ò

24. Read the following passage and fill in the blanks with appropriate words. 2
(Attempt any two parts A-D)
Criss Cross inheritance in humans
A .and B .are examples of sex-linked inheritance in humans. The defective gene is
located on C . chromosome. Thus a single defective gene causes disease in males while
two defective genes ( D . condition) only can cause the disease in females.
ÁŸêŸÁ‹Áπà ¬Á⁄Uë¿UŒ ∑§Ê ¬…∏∑§⁄U ‚◊ÈÁøà ‡ÊéŒÊ¥ mÊ⁄UÊ Á⁄UÄà SÕÊŸÊ¥ (A-D) ∑§Ë ¬ÈÁø ∑§ËÁ¡∞–
(A, B, C ÃÕÊ D ◊¥ ‚ ∑§Ê߸ ŒÊ ÷ʪ ∑§ËÁ¡∞)
◊ÊŸfl ◊¥ Á∑˝§‚ ∑˝§ÊÚ‚ fl¥‡ÊʪÁÃ
A . ÃÕÊ B . ◊ÊŸfl ◊¥ Á‹¥ª-‚„‹ÇŸ fl¥‡ÊʪÁà ∑§ ©ŒÊ„⁄UáÊ „Ò¥– ŒÊ·¬Íáʸ (òÊÈÁ≈UÿÈÄÃ) ¡ËŸ C .
∑˝§Ê◊Ê‚Ê◊ ¬⁄U •flÁSÕà „ÊÃÊ „Ò– •Ã— ∞∑§ •∑§‹Ê (∞∑§‹) ŒÊ·ÿÈÄà ¡ËŸ Ÿ⁄UÊ¥ (¬ÈL§·Ê¥) ◊¥ ÃÊ •ÊŸÈfl¥Á‡Ê∑§ Áfl∑§Ê⁄U ∑§
M§¬ ◊¥ •Á÷√ÿÄà „ÊÃÊ „Ò ¡’Á∑§ ∑§fl‹ ŒÊ ŒÊ·¬Íáʸ ¡ËŸÊ¥ ( D . ÁSÕÁÃ) „Ë ÁSòÊÿÊ¥ ◊¥ ⁄UÊª (•ÊŸÈfl¥Á‡Ê∑§) Áfl∑§Ê⁄U
©à¬ãŸ ∑§⁄U ‚∑§Ã „Ò¥–

68/ESS/1-314-A ] 11 [ Contd...

25. Aquatic ecosystems are classified on the basis of salinity into two types-Fresh water and 2
Marine. The common flora and fauna found in fresh water bodies like rivers, lake include
phytoplanktons, water hyacinth, water lily and zooplankton, crab and fishes respectively.
Wet lands are between aquatic and terrestrial ecosystem. They show an edge effect and form
an ecotone.
(a) What is the study of fresh water ecosystem known as ?
(b) Define ecotone.
¡‹Ëÿ ¬ÊÁ⁄UÃ¥òÊÊ¥ ∑§Ê flªË¸∑§⁄UáÊ ‹fláÊÃÊ ∑§ •ÊœÊ⁄U ¬⁄U ŒÊ ¬˝∑§Ê⁄U ◊¥ Á∑§ÿÊ ªÿÊ „Ò - •‹fláÊ¡‹Ëÿ ÃÕÊ ‚◊ÈŒ˝Ë ÃÊ‹Ê’
∞fl¥ ¤ÊË‹Ê¥ ◊¥ ‚Ê◊ÊãÿÃÿÊ ¬Ê߸ ¡ÊŸ flÊ‹Ë ¬ÊŒ¬ ¡ÊÁÃÿÊ¥ ◊¥ ¬ÊŒ¬ å‹fl∑§, ¡‹∑È¥§÷Ë ÃÕÊ ¡‹-∑ȧ◊ÈÁŒŸË (flÊ≈U⁄UÁ‹‹Ë)
ÃÕÊ ¬˝ÊÁáÊÿÊ¥ ◊¥ ¡ãÃÈå‹fl∑§, ∑§∑§«∏ ÃÕÊ ◊¿UÁ‹ÿÊ° ßàÿÊÁŒ ‡ÊÊÁ◊‹ „Ò¥– ¡‹Ëÿ ÃÕÊ SÕ‹Ëÿ ¬ÊÁ⁄UÃ¥òÊ ∑§ ◊äÿ ◊¥
•ÊŒ˝˝¸÷ÍÁ◊ ¬ÊÁ⁄UÁSÕÁÃ∑§ Ã¥òÊ „ÊÃÊ „Ò– ¡‹Ëÿ ÃÕÊ SÕ‹Ëÿ ¬ÊÁ⁄UÁSÕÁÃ∑§ Ã¥òÊ ∑§ ’Ëø ∑§Ê⁄U ¬˝÷Êfl ¬Á⁄U‹ÁˇÊà „ÊÃÊ „Ò ¡Ê
∞∑§ ß∑§Ê≈UÊŸ ’ŸÊÃ „Ò–
(a) •‹fláÊ-¡‹Ëÿ ¬ÊÁ⁄UÃ¥òÊ ∑§ •äÿÿŸ ∑§Ê ÄÿÊ ∑§„Ã „Ò¥?
(b) ß∑§Ê≈UÊŸ ∑§Ë ¬Á⁄U÷Ê·Ê Á‹Áπ∞–

26. Study the diagram given below carefully and answer the question that follow : 2

Identify the processes “A” and “B”.
ŸËø ÁŒ∞ ª∞ •Ê⁄Uπ ∑§Ê äÿÊŸ¬Ífl¸∑§ •äÿÿŸ ∑§⁄U∑§ ‚¥’¥ÁœÃ •ª˝ªÊ◊Ë ¬˝‡Ÿ ∑§Ê ©ûÊ⁄U Á‹Áπ∞–

¬˝∑˝§◊ “A” ÃÕÊ “B” ∑§Ê ¬„øÊŸ ∑§⁄U Á‹Áπ∞–

68/ESS/1-314-A ] 12 [ Contd...

27. Given below is the list of vitamins with their functions. Choose the incorrect pairs of vitamins 2
with reference to their function.
(a) Vitamin A : Maintenance of vision
(b) Vitamin C : Formation of blood
(c) Vitamin D : Healthy bones and teeth
(d) Vitamin K : antioxidant : ageing vitamin
∑ȧ¿U Áfl≈UÊÁ◊ŸÊ¥ ∑§Ë ‚ÍøË ÃÕÊ ©Ÿ∑§ ¬˝∑§ÊÿÊZ ∑§ ‚ÊÕ ŸËø ŒË ªß¸ „Ò– Áfl≈UÊÁ◊ŸÊ¥ ∑§ ©Ÿ∑§ ¬˝∑§ÊÿÊZ ∑§ ‚ÊÕ ª‹Ã Á◊‹ÊŸ
flÊ‹ ÿÈÇ◊ ∑§Ê øÈÁŸ∞–
(a) Áfl≈UÊÁ◊Ÿ A : ŒÎÁc≈U ∑§Ê ∆UË∑§ ’ŸÊ∞ ⁄UπŸÊ
(b) Áfl≈UÊÁ◊Ÿ C : L§Áœ⁄U ∑§Ê ÁŸ◊ʸáÊ
(c) Áfl≈UÊÁ◊Ÿ D : •ÁSÕÿÊ¥ („ÁaÿÊ¥) ÃÕÊ ŒÊ¥ÃÊ¥ ∑§Ê SflSÕ ’ŸÊ∞ ⁄UπŸÊ
(d) Áfl≈UÊÁ◊Ÿ K : ∞¥≈UË•ÊÚÄ‚Ë«Uã≈U — ∞Á¡¥ª Áfl≈UÊÁ◊Ÿ

28. Fill in the spaces A and B in the sentences given below : 2
(a) Cell mediated immune response is mediated by A .
(b) Humoral immune responses is mediated by B .
ÁŸêŸÁ‹Áπà flÊÄÿÊ¥ ◊¥ ÁŒ∞ ª∞ Á⁄UÄà SÕÊŸ A ÃÕÊ B ∑§Ë ¬ÍÁø ∑§ËÁ¡∞ —
(a) ∑§ÊÁ‡Ê∑§Ê ◊ÊÁäÿà ¬˝ÁÃ⁄UˇÊË •ŸÈÁ∑˝§ÿÊ A . mÊ⁄UÊ ◊ÊÁäÿà „ÊÃË „Ò¥–
(b) sÍ◊Ê⁄U‹ ¬˝ÁÃ⁄UˇÊË •ŸÈÁ∑˝§ÿÊ B . mÊ⁄UÊ ◊ÊÁäÿà „ÊÃË „Ò–

SECTION - C / πá«U - ª
29. What are the four nutritional categories found in bacteria ? 2
¡ËflÊáÊÈ•Ê¥ (’ÒÄ≈UËÁ⁄UÿÊ) ∑§Ë øÊ⁄U ¬Ê·áÊ üÊÁáÊÿÊ° ∑§ÊÒŸ ‚Ë „Ò¥?

30. Analyse the differences between striated muscles and unstriated muscles with reference to 2
their shape.
⁄UÁπà ¬Á‡ÊÿÊ¥ ÃÕÊ •⁄UÁπà ¬Á‡ÊÿÊ¥ ∑§ ’Ëø ©Ÿ∑§ •Ê∑§Ê⁄U ∑§ •ÊœÊ⁄U ¬⁄U Áfl÷Œ ∑§ËÁ¡∞–

31. (a) Name the two biochemical reactions for biosynthesis of amino acids in plants. 2
OR
(b) Name the two proteins found in root nodules and helps in nitrogen fixation.
(a) ¬ÊÒœÊ¥ ◊¥ •◊ËŸÊ¥ •ê‹Ê¥ ∑§ ¡Òfl ⁄UÊ‚ÊÿÁŸ∑§ ‚¥‡‹·áÊ ∑§ Á‹∞ ŒÊ ¡Òfl ⁄UÊ‚ÊÿÁŸ∑§ •Á÷Á∑˝§ÿÊ•Ê¥ ∑§ ŸÊ◊ Á‹Áπ∞–
•ÕflÊ
(b) ¡«∏Ê¥ ∑§Ë ª˝¥ÁÕ∑§Ê•Ê¥ (ŸÊ«KÍÀ‚) ◊¥ ¬Ê߸ ¡ÊŸ flÊ‹Ë ∞‚Ë ŒÊ ¬˝Ê≈UËŸ ∑§ ŸÊ◊ Á‹Áπ∞ ¡Ê ŸÊß≈˛UÊ¡Ÿ ÁSÕ⁄UË∑§⁄UáÊ ◊¥
‚„Êÿ∑§ „Ò¥–

68/ESS/1-314-A ] 13 [ Contd...

32. Identify A in the diagram given below and state its function : 2

ŸËø Œ‡Êʸ∞ ª∞ ÁøòÊ ◊¥ A ∑§Ê ¬„øÊÁŸ∞ ÃÕÊ ©‚∑§ ¬˝∑§Êÿ¸ ÷Ë Á‹Áπ∞–

33. Identify the type of neuron given in the diagram and state the function of axon : 2

68/ESS/1-314-A ] 14 [ Contd...

ŸËø ÁŒ∞ ª∞ ÁøòÊ ◊¥ Œ‡Êʸ߸ ªß¸ Ã¥ÁòÊ∑§Ê ∑§ÊÁ‡Ê∑§Ê ∑§ ¬˝∑§Ê⁄U ∑§Ê ¬„øÊÁŸ∞ ÃÕÊ ©‚∑§Ê ¬˝∑§Êÿ¸ ÷Ë Á‹Áπ∞–

34. (a) Why is the process of fertilization in flowering plants said to be double fertilization ? 2
OR
(b) What is the function of Endosperm in the flowering plants ? Write the names of any 2
types of endosperms.
(a) ¬Èc¬Ë ¬ÊŒ¬Ê¥ ◊¥ ÁŸ·øŸ ¬˝∑˝§◊ ∑§Ê ŒÊ„⁄UÊ ÁŸ·øŸ ÄÿÊ¥ ∑§„Ê ¡ÊÃÊ „Ò?
•ÕflÊ
(b) ¬Èc¬Ë ¬ÊŒ¬Ê¥ ◊¥ ÷˝ÍáʬÊ· ∑§Ê ¬˝∑§Êÿ¸ ÄÿÊ „Ò? Á∑§ã„Ë¥ ŒÊ ¬˝∑§Ê⁄U ∑§ ÷˝ÍáÊ ¬Ê·Ê¥ ∑§ ŸÊ◊ Á‹Áπ∞–
35. Observe the given diagram and answer the questions that follow : 2

(a) In which direction does the enzyme DNA polymerase catalyses DNA replication -
5' to 3' or 3' to 5' ?
(b) Which enzymes joins the Okazaki fragments to form a complete DNA strand.
ŸËø ÁŒ∞ ª∞ •Ê⁄Uπ ∑§Ê ¬˝ˇÊáÊ ∑§⁄U∑§ •ª˝ªÊ◊Ë ¬˝‡ŸÊ¥ ∑§ ©ûÊ⁄U Á‹Áπ∞–

(a) ∞¥¡Êß◊ DNA ¬ÊÚÁ‹◊⁄U¡ DNA ¬˝ÁÃ∑ΧÁÃÿŸ ∑§ Á‹∞ Á∑§‚ ÁŒ‡ÊÊ ◊¥ ’…∏Ã „Ò¥? 5' ‚ 3' •ÕflÊ 3' ‚ 5' ?
(b) •Ê∑§Ê¡Ê∑§Ë πá«UÊ¥ ∑§Ê ∞∑§ ŒÍ‚⁄U ‚ ¡Ê«∏∑§⁄U ¬Íáʸ DNA ⁄Uí¡È (Ã¥ÃÈ•Ê¥) ∑§Ê ÁŸ◊ʸáÊ ∑§ÊÒŸ ‚Ê ¬˝Á∑§áfl (∞¥¡Êß◊)
∑§⁄UÃÊ „Ò?
68/ESS/1-314-A ] 15 [ Contd...

36. A group of food items is given in the table. Categorize them into energy providing foods and 2
body building foods.
Cereals, legumes, meat, sugar, oil, fish, egg, jaggery
ŸËø ∑ȧ¿U πÊl ¬ŒÊÕÊZ ∑§Ë ‚ÍøË ŒË ªß¸ „Ò– ßã„¥ ™§¡Ê¸ ¬˝ŒÊŸ ∑§⁄UŸ flÊ‹ ÃÕÊ ‡Ê⁄UË⁄U ÁŸ◊ʸáÊ ∑§⁄UŸ flÊ‹ flªÊZ ◊¥ flªË¸∑ΧÃ
∑§ËÁ¡∞–
Cereals, legumes, meat, sugar, oil, fish, egg, jaggery

37. (a) Following is the representation of how a plasmid isolated from bacterium that causes 2
galls in several plants is used to produce transgenic plants.

(i) Name the bacterium that causes galls in plants.
(ii) Name the plasmid used to transmit the desired genes.
OR
(b) Given below is the picture of a normal mouse (A) and a transgenic mouse (B).

Why is there an increase in the size of mouse (B).
(a) ÁŸêŸÁ‹Áπà ÁøòÊ ∑§ ◊Êäÿ◊ ‚ Œ‡ÊʸÿÊ ªÿÊ „Ò Á∑§ ¬ÊÒœÊ¥ ◊¥ Á¬Á≈U∑§Ê∞¥ (ªÊ‹) ’ŸÊŸ flÊ‹ ¡ËflÊáÊÈ ‚ å‹ÊÁí◊«U
¬ÎÕ∑§ ∑Χà ∑§⁄U∑§ ¬Ê⁄U¡ËŸË ¬ÊŒ¬Ê¥ ∑§ ÁŸ◊ʸáÊ ◊¥ ©Ÿ∑§Ê Á∑§‚ ¬˝∑§Ê⁄U ©¬ÿÊª Á∑§ÿÊ ¡ÊÃÊ „Ò?

(i) ¬ÊŒ¬Ê¥ ◊¥ Á¬Á≈U∑§Ê∞° (ªÊ‹) ©à¬ãŸ ∑§⁄UŸ flÊ‹ ’ÒÄ≈UËÁ⁄UÿÊ (¡ËflÊáÊÈ) ∑§Ê ŸÊ◊ Á‹Áπ∞–
(ii) flÊ¥Á¿Uà ¡ËŸ ∑§Ê SÕÊŸÊ¥ÃÁ⁄Uà ∑§⁄UŸ flÊ‹ å‹ÊÁí◊«U ∑§Ê ŸÊ◊ Á‹Áπ∞–
•ÕflÊ
(b) ŸËø ÁŒ∞ ª∞ ÁøòÊÊ¥ ◊¥ ∞∑§ ‚Ê◊Êãÿ øÍ„Ê (A) ÃÕÊ ¬Ê⁄U¡ËŸË øÍ„Ê (B) Œ‡ÊʸÿÊ ªÿÊ „Ò–

øÈ„Ê (B) ∑§ •Ê∑§Ê⁄U ◊¥ flÎÁh ∑§Ê ÄÿÊ ∑§Ê⁄UáÊ „Ò?

68/ESS/1-314-A ] 16 [ Contd...

SECTION - D / πá«U - ÉÊ
38. (a) Define obesity. 3
(b) List any two causes of obesity.
(c) State two Harmful effects of obesity.
(a) ◊Ê≈Uʬ (SÕÍ‹ÃÊ) ∑§Ë ¬Á⁄U÷Ê·Ê Á‹Áπ∞–
(b) SÕÍ‹ÃÊ (◊Ê≈Uʬ) ∑§ ∑§Ê߸ ŒÊ ∑§Ê⁄UáÊ Á‹Áπ∞–
(c) ß‚∑§ ∑§Ê߸ ŒÊ „ÊÁŸ∑§Ê⁄U∑§ ¬˝÷Êfl Á‹Áπ∞–

39. (I) Illustrate the 3 major phases in glycolysis. 3
OR
(II) Distinguish between C3 and C4 plants with reference to the following characteristics.

Features C3 Plants C4 Plants
(a) Carbon di-oxide acceptor
(b) Carbon di-oxide fixing enzymes
(c) First product of photosynthesis

(I) Ç‹Êß∑§ÊÁ‹Á‚‚ ∑§Ë 3-¬˝◊Èπ ¬˝ÊflSÕÊ•Ê¥ ∑§Ê fláʸŸ ∑§ËÁ¡∞–
•ÕflÊ
(II) ÁŸêŸÁ‹Áπà •Á÷‹ˇÊáÊÊ¥ ∑§ •ÊœÊ⁄U ¬⁄U C3 ÃÕÊ C4 ¬ÊÒœÊ¥ ∑§ ◊äÿ Áfl÷Œ ∑§ËÁ¡∞–
A{^bjU C3 nm¡Y o C4 nm¡Y o
(a) CO2 J«mhr
(b) CO2 pñWarH$aU EÝOmB_
(c) àH$meg§íbofU H$m àW_ CËnmX

40. (I) Observe the Lac operon diagram given below and answer the questions that follows. 3

(a) Which substance acts as inducer in this operon ?
(b) Where does RNA polymerase bind to initiate transcription ?
(c) What are the genes z, y, a called as ?
OR

68/ESS/1-314-A ] 17 [ Contd...

(II) Study the karyotype given below and answer the questions that follow :

(a) What is this disorder known as ?
(b) How many chromosomes are present in the individuals with this disorder ?
(c) State one typical feature of this syndrome.
(I) ŸËø ÁŒ∞ ª∞ ‹Ò∑§-•ÊÒ¬⁄UÊÚŸ ∑§ •Ê⁄Uπ ∑§Ê ¬˝ˇÊáÊ ∑§ËÁ¡∞ ÃÕÊ ÁŒ∞ ª∞ ‚¥’¥ÁœÃ ¬˝‡ŸÊ¥ ∑§ ©ûÊ⁄U Á‹Áπ∞ —

(a) ß‚ •ÊÒ¬⁄UÊÚŸ ◊¥ ∑§ÊÒŸ ‚Ê ¬ŒÊÕ¸ ¬˝⁄U∑§ ∑§Ê ∑§Êÿ¸ ∑§⁄UÃÊ „Ò?
(b) ≈˛UÊ¥‚Á∑˝§å‡ÊŸ ¬˝Ê⁄¥U÷ ∑§⁄UŸ ∑§ Á‹∞ RNA ¬ÊÚÁ‹◊⁄U¡ ∑§„Ê° •Ê’¥œŸ ∑§⁄UÃÊ „Ò?
(c) ¡ËŸ z, y, a ÄÿÊ ∑§„‹ÊÃ „Ò¥?
•ÕflÊ
(II) ∞∑§ ◊ŸÈcÿ ∑§ ∑Ò§Á⁄UÿÊ≈UÊ߬ ∑§Ê ÁŸM§¬áÊ ÁŸêŸ M§¬ ‚ Á∑§ÿÊ ªÿÊ „Ò– ß‚∑§Ê •äÿÿŸ ∑§⁄U∑§ ‚¥’¥ÁœÃ ¬˝‡ŸÊ¥ ∑§
©ûÊ⁄U Á‹Áπ∞ —

(a) ß‚ Áfl∑§Ê⁄U ∑§Ê ÄÿÊ ∑§„Ã „Ò?
(b) ß‚ Áfl∑§Ê⁄UÿÈÄà √ÿÁÄà ◊¥ ∑˝§Ê◊Ê‚Ê◊Ê¥ ∑§Ë ∑ȧ‹ ‚¥ÅÿÊ Á∑§ÃŸË „Ò?
(c) ß‚ Áfl∑§Ê⁄U ∑§Ê ∑§Ê߸ ∞∑§ ÁflÁ‡Êc≈U ‹ˇÊáÊ Á‹Áπ∞–

68/ESS/1-314-A ] 18 [ Contd...

41. Deficiency in minerals in our food may lead to deficiency diseases. Name which mineral 3
deficiency may lead to the following :
(a) Anaemia
(b) Osteomalacia
(c) Goitre
„◊Ê⁄U ‡Ê⁄UË⁄U ◊¥ πÁŸ¡ ¬Ê·∑§Ê¥ ∑§Ë ∑§◊Ë ‚ •À¬ÃÊ ⁄UÊª „Ê ¡ÊÃ „Ò¥– ÁŸêŸÁ‹Áπà ⁄UÊª Á∑§Ÿ πÁŸ¡Ê¥ ∑§Ë ∑§◊Ë (•À¬ÃÊ)
mÊ⁄UÊ „Ê ‚∑§Ã „Ò¥?
(a) •⁄UÄÃÃÊ
(b) •ÁSÕ◊ÎŒÈÃÊ (•ÊÚÁS≈UÿÊ◊‹Á‡ÊÿÊ)
(c) ª‹ª¥«U (ÉÊÉÊÊ)
SECTION - E / πá«U - æ§
42. (a) A snapdragon plant with red flowers (RR) is crossed with a plant with white flowers 5
(rr). Work out the cross upto F2 generation. Find out the phenotypic and genotypic
ratio.
OR
(b) A tall pea plant with red flowers (TTRR) is crossed with white dwarf plants (ttrr).
Work out the phenotypic ratio in F2 for this cross.
(a) ‹Ê‹ ¬Èc¬ (RR) flÊ‹ FÒ¬«˛ÒUªŸ ∑§ ¬ÊÒœ ∑§Ê ‚»§Œ ¬Èc¬ (rr) flÊ‹ ¬ÊÒœ ∑§ ‚ÊÕ ∑˝§ÊÚ‚ ∑§⁄UÊÿÊ ªÿÊ– ß‚∑§Ê F2
¬Ë…∏Ë Ã∑§ ∑˝§ÊÚ‚ ’ŸÊ ∑§⁄U ¡ËŸ ¬˝M§¬Ë (¡ËŸÊ≈UÊ߸Á¬∑§) •ŸÈ¬Êà ÃÕÊ ‹ˇÊáÊ ¬˝M§¬Ë (»§ËŸÊ≈UÊßÁ¬∑§) •ŸÈ¬Êà ôÊÊÃ
∑§ËÁ¡∞–
•ÕflÊ
(b) ◊≈U⁄U ∑§ ‹¥’ ÃÕÊ ‹Ê‹ ¬Èc¬ (TTRR) flÊ‹ ¬ÊÒœ ∑§Ê ’ÊÒŸ ÃÕÊ ‚»§Œ ¬Èc¬ (ttrr) flÊ‹ ¬ÊÒœ ∑§ ‚ÊÕ ‚¥∑§⁄UáÊ
∑§⁄UÊÿÊ ªÿÊ– F2 ¬Ë…∏Ë ◊¥ ß‚∑§ ‹ˇÊáÊ ¬˝M§¬Ë •ŸÈ¬Êà Œ‡Êʸß∞–

43. (a) What is Chemosynthesis ? Write any four differences between chemosynthesis and 5
photosynthesis.
OR
(b) With the help of a diagram explain the external structure of human heart.
(a) ⁄U‚ÊÿŸË-‚¥‡‹·áÊ ÄÿÊ „Ò? ⁄U‚ÊÿŸ-‚¥‡‹·Ë ÃÕÊ ¬˝∑§Ê‡Ê ‚¥‡‹·Ë ∑§ ’Ëø ∑§Ê߸ øÊ⁄U •¥Ã⁄U Á‹Áπ∞–
•ÕflÊ
(b) ÁøòÊ ∑§Ë ‚„ÊÿÃÊ ‚ ◊ÊŸfl NŒÿ ∑§Ë ’Ê„⁄UË ‚¥⁄UøŸÊ ∑§Ë √ÿÊÅÿÊ ∑§ËÁ¡∞–

-oOo-

68/ESS/1-314-A ] 19 [ Contd...