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Previous Year Nios Question Paper with Answer Biology (314) Class Senior Secondary Exam Session October/November 2024

If you are here, Nios Biology (314) Solved Question Paper November 2024 Exam Class 12. you have to grab it now for best exam practice & know the examination pattern for upcoming exam. Check Sample – https://www.youtube.com/playlist?list=PLR_YKO4FmoJpDXSiu-oq-61ae5qWSKj6X

BIOLOGY

(Theory)

(314)

Time: 3 Hours]                                                                                                                                          [ Maximum Marks: 80

Note: All questions are compulsory and carry marks as indicated against each question.

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—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.

Internal choices have been provided in some of these questions. You have to attempt only one of the given choices in such questions.

Section–B consists of Question Nos. 17 to 28—Objective-type questions carring 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 consists of 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 consists of 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 consists of 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.

(1) Answers of all questions are to be given in the Answer-Book given to you. (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.

 SECTION–A

Note: Question Nos. 1 to 16 consist of multiple-choice type questions (MCQs) carrying 1 mark each.

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

(A) Rhizobium                                                (B) Streptomyces

(C) Salmonella                                                (D) Lactobacillus

Ans. (A) Rhizobium – It fixes atmospheric nitrogen in root nodules of leguminous plants.

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

(A) Indusium                                                 (B) Sorus

(C) Prothallus                                                (D) Frond

Ans. (C) Prothallus – It is the gametophyte stage in the life cycle of a fern.

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

(A) Tracheid                                                  (B) Vessel

(C) Xylem Fibre                                            (D) Xylem Parenchyma

Ans. (D) Xylem Parenchyma – The only living component in xylem tissue.

4. Name the cells that are seen in the lymph nodes and attack bacteria: 1

(A) Lymphocytes                                                         (B) Monocytes

(C) Granulocytes                                                         (D) Erythrocytes

Ans. (A) Lymphocytes – These are white blood cells in lymph nodes that attack pathogens like bacteria.

5. The blood protein that provides factors for clotting is: 1

(A) Albumin                     (B) Fibrinogen                               (C) Globulin                     (D) Thrombin

Ans. (B) Fibrinogen – It is a blood plasma protein essential for blood clotting.

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