Description

Previous Year Nios Question Paper with Answer Biology (314) Class Secondary Exam Session March/April 2024

If you are here, Biology 314 Nios Exam Solved Question Paper April 2024 Class 12 . you have to grab it now for best exam practice & know the examination pattern for upcoming exam. Check Sample –

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. Name of the technique used for detecting genetic disorders in a foetus is

(A) amniocentesis                                                       (B) ultrasound

(C) X-ray                                                                         (D) MRI                                                                                            1

Ans. (A) Amniocentesis – It is a technique used to detect genetic disorders in a fetus.

2. Which of the following makes up the final trophic level in a food chain?                                                          1

(A) Parasite                                                                    (B) Producer

(C) Decomposer                                                           (D) Carnivore

Ans. (D) Carnivore – Carnivores make up the final trophic level in a food chain as top predators.

Or

What does the following sequence represent?

Blue-green algae ® Crustose lichens ® Foliose lichens

¯

Dicotyledonous trees ¬ Shrubs ¬ Mosses

 

(A) Genetic drift                                                                                         (B) Ecological succession

(C) A food pyramid                                                                                   (D) Phylogenetic trend

 

Ans. (B) Ecological succession – The given sequence represents primary succession, where lichens, mosses, and shrubs gradually establish on barren land.

3. The largest lymphoid organ in the human body is

(A) bone marrow                                                                                       (B) thymus

(C) adrenal                                                                                                   (D) spleen                                                       1

Ans. (D) Spleen – The spleen is the largest lymphoid organ in the human body.

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