If a plant is placed in a sealed bell jar with limited oxygen, how will its energy production be affected over time? (A) ATP production will increase due to higher glycolysis. (B) The plant will rely on anaerobic respiration producing less ATP. (C) The citric acid cycle will become faster to make up for lack of oxygen. (D) The electron transport chain will continue functioning normally.

The plant will rely on anaerobic respiration producing less ATP.

How many questions and marks are in the NEB 2082 Class 12 Biology (2021'M') paper?

23 questions worth 75 marks. There are 11 of 1 mark, 8 of 4 marks and 4 of 8 marks.

Is this the real board paper?

Yes. It is the NEB 2082 paper, code 2021'M', typed up from the original and checked by the GyanMul team.

Are the answers included?

Answers to the 11 one-mark questions are on this page (GyanMul's model answers; the NEB does not publish an answer key). Worked answers and the marking for every other question are in GyanMul Prep, free with an account.

Can I download this paper as a PDF?

Yes. Press "Print / Save as PDF" at the top of the page and choose "Save as PDF" in your browser's print window.

National Examinations Board · Class 11–12

NEB 2082 Class 12 Biology question paper

NEB 2082 Class 12 Biology (2021'M') has 23 questions worth 75 marks, with 3 hours to answer them. It has 11 of 1 mark, 8 of 4 marks and 4 of 8 marks.

The Class 12 examination is conducted by the National Examinations Board (NEB), Nepal. This paper was typed up from the original and checked by the GyanMul team.

Every question is given in Nepali and English, as the paper prints it.

23 questions
75 marks
3 hours
Code 2021'M'

Sit this paper as a timed mock test, freeनेपालीमा पढ्नुहोस्

The account is free. Timer, marking, worked answers and help from Gurubaa, in one place.

Questions

Answers are shown for the 11 one-mark questions. They are GyanMul's model answers: the NEB does not publish an answer key, so these are not the board's answers.

Question 11 mark
Which of the following term describes pollen tube entry into the embryo sac of ovule through micropyle during fertilization? (A) Mesogamy (B) Chalazogamy (C) Syngamy (D) Porogamy
निषेचनका क्रममा परागनलिका अण्डाशयको भ्रूणकोषमा बीजाणुद्वार (micropyle) हुँदै प्रवेश गर्ने प्रक्रियालाई के भनिन्छ ? (A) Mesogamy (B) Chalazogamy (C) Syngamy (D) Porogamy
Answer: Porogamy
Question 21 mark
Which of the following structures in a plant is primarily responsible for regulating transpiration? (A) Xylem (B) Stomata (C) Root hairs (D) Phloem
बिरुवामा वाष्पोत्सर्जन नियन्त्रण गर्ने मुख्य संरचना कुन हो ? (A) Xylem (B) Stomata (C) Root hairs (D) Phloem
Answer: Stomata
Question 31 mark
Which of the following genetic disorders is caused by a point mutation? (A) Down's Syndrome (B) Turner's Syndrome (C) Sickle Cell Anaemia (D) Klinetelter's syndrome
तलका मध्ये कुन आनुवंशिक विकार बिन्दु उत्परिवर्तन (point mutation) ले हुन्छ ? (A) Down's Syndrome (B) Turner's Syndrome (C) Sickle Cell Anaemia (D) Klinetelter's syndrome
Answer: Sickle Cell Anaemia

Questions learners ask

How many questions and marks are in the NEB 2082 Class 12 Biology (2021'M') paper?: 23 questions worth 75 marks. There are 11 of 1 mark, 8 of 4 marks and 4 of 8 marks.
How much time is given for this paper?: 3 hours (180 minutes).
Is this the real board paper?: Yes. It is the NEB 2082 paper, code 2021'M', typed up from the original and checked by the GyanMul team.
Are the answers included?: Answers to the 11 one-mark questions are on this page (GyanMul's model answers; the NEB does not publish an answer key). Worked answers and the marking for every other question are in GyanMul Prep, free with an account.
Can I download this paper as a PDF?: Yes. Press "Print / Save as PDF" at the top of the page and choose "Save as PDF" in your browser's print window.

Source: prep.gyanmul.com/neb/past-papers/class-12/biology/2082 · GyanMul Prep