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Previous Year Nios Question Paper with Answer Environmental Science (333) Class Senior Secondary Exam Session October/November 2024

If you are here, Nios Environmental Science (333) 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

Environmental Science

(Theory)

(333)

Time: 3 Hours]                                                                                                                                          [ Maximum Marks: 80 

Note: All questions of an Option are compulsory.

(i) All 39 questions are compulsory. Maximum mark of each question has been indicated against it.

(ii) There will be internal choice in some questions for core and optional modules related questions. Attempt only one part of these questions having internal choice.

(iii) Answer the questions from either Optional Module—8A or Optional Module—8B only.

(iv) Questions from 1 to 16 (13 Core Modules and 3 Optional Modules) are Objective Question Type—I questions (MCQs) carrying 1 mark each.

(v) Questions from 17 to 24 (5 Core Modules and 3 Optional Modules) are Objective Question Type—II questions (comprehensive questions with two subparts, VSA, 1 word, fill in the blanks and True/False) carrying 1 mark each.

(vi) Questions from 25 to 32 are Short Answer-type Questions from Core Modules carrying 2 marks each with 40–50 words.

(vii) Questions from 33 and 34 are Long Answer Type—I questions from Core Modules carrying 4 marks each with 80–100 words.

(viii) Questions from 35 and 36 are Long Answer Type—II questions from Core Modules carrying 5 marks each with 100–150 words.

(ix) Questions from 37 to 39 are Short Answer-Type questions from Optional Modules carrying 2 marks each with 40–50 words.

(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.

CORE MODULES

OBJECTIVE QUESTIONS TYPE–I

1. Which human ancestors made better tools with stones? 1

(A) Homo sapiens     (B) Homo erectus          (C) Homohabilis             (D) Australopithecus

Ans. (C) Homo habilis

2. The most glaring of all oceanic pollution is due to: 1

(A) Oil spill

(B) Dumping of hazardous waste

(C) Rivers carrying chemical and trash

(D) Coastal activities

Ans. (A) Oil spill

3. Among the following the symptom is not related to blue baby disease: 1

(A) Poor feeding                                                          (B) Increased energy

(C) Decreased energy                                                (D) Sleepy

Ans. (B) Increased energy

4. The evolutionary force which brings about greater reproduction of adaptive variation is? 1

(A) Extinction                                                               (B) Isolation

(C) Natural selection                                                  (D) Variation

Ans. (C) Natural selection

5. Which among the following is a characteristic feature of urban communities? 1

(A) Joint family system                                             (B) Individualism

(C) Illiteracy                                                                  (D) Jajmani system

Ans. (B) Individualism

6. An agriculture practice which involves enhancing crop productivity in the land with the use of agricultural implements and agrochemicals is : 1

(A) Extensive agriculture                                         (B) Eutrophication

(C) Siltation                                                                   (D) Intensive agriculture

Ans. (D) Intensive agriculture

7. A 12,000 year old practice of food production which causes extreme deforestation is: 1

(A) Shifting cultivation                                              (B) Urbanization

(C) Commercial cultivation                                      (D) Indigenous cultivation

Ans. (A) Shifting cultivation

8. Ecologically vegetation of the major part of Thar desert region falls under the category of : 1

(A) Succulents                                                              (B) Shrubs

(C) Deciduous trees                                                    (D) Thorn forest type

Ans. (D) Thorn forest type

9. Making wooden boxes from various tree species for transporting apples has resulted in: 1

(A) Desertification                                                      (B) Forest degradation

(C) Urbanisation                                                          (D) Biodiversity enhancement

Ans. (B) Forest degradation

10. The chemical responsible for the minamata disease is: 1

(A) Mercury                     (B) Arsenic                       (C) Lead              (D) Copper

Ans. (A) Mercury

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