NEB Class 12 Biology Technical Stream Exam Paper 2081-2024

Dear All, we’re going to provide you the NEB Class 12 Biology Technical Stream Exam Paper 2081-2024 with subject code – 9101 which examination was held on the year 2081/2024 and you can download the neb grade xii (12) Biology Technical Stream subject exam question paper of the year 2081-2024 in PDF format which is only for the technical stream’s students whose first two digits of registration number starts from 79 and 80. Please check and download pdf file grade 12 Biology Technical Stream Exam question paper of the year 2024-2081 Nepal. The Exam Question provided below – NEB Class 12 Biology Technical Stream Exam Paper 2081-2024 for the board exam 2079 and onwards. And it is based on the latest NEB Syllabus for 2079 and so on. We will be adding more Exam Question Papers of grade xii- class 12 later on. Scroll down to Download NEB Class 12 Biology Technical Stream Exam Paper 2081-2024 Sub. Code: 9101 in pdf format which is 295 kb in size. Enjoy!

NEB Class 12 Biology Technical Stream Exam Paper 2081-2024.

NATIONAL EXAMINATIONS BOARD [NEB]
Biology
Grade XII-Class 12
For Technical Stream Students
Examination – 2081 (2024)
(New Course)
Subject Code: 9101
Full Marks – 75
Time – 3 hrs.

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(For the regular and grade increment students whose first two digits of registration number starts from 79 and 80)

Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.

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Attempt All Questions:

Group ‘A’ [11×1=11]

Rewrite the correct options of each questions in your answer sheet.

1. Which of the following is not a simple permanent tissue ?

(A) Xylem
(B) Parenchyma
(C) Collenchyma
(D) Chlorenchyma

2. Which character appears when two homozygous parents are crossed in the first filial generation?

(A) Recessive character
(B) Intermediate character
(C) Dominant character
(D) Recessive and blend character

3. Which of the following tissues binds bone to bone at joints ?

(A) Ligament
(B) Tendon
(C) Areolar
(D) Adipose

4. What factor is mainly responsible for rapid transpiration ?

(A) High humidity
(B) Less water in the soil
(C) Low humidity and high temperature
(D) Low wind velocity

5. What type of mutation is caused by the addition or deletion of a single nitrogenous base ?

(A) Transition
(B) Frameshift
(C) Translocation
(D) Transversion

6. Which of the following endocrine glands secretes gonads-tropic hormones ?

(A) Thyroid
(B) Adrenal
(C) Pancreas
(D) Pituitary

7. Where do the ear ossicles located in human ear ?

(A) External ear
(B) Internal ear
(C) Cochlea
(D) Middle ear

8. What characteristic differentiate a monocot stem from a dicot stem ?

(A) Absence of sclerenchymatous hypodermis
(B) Presence of collenchymatous hypodermis
(C) Presence of sclerenchymatous hypodermis
(D) Vascular bundles are arranged in rings.

9. What would happen to the baby when thyroid gland is removed ?

(A) Baby suffers from cretinism
(B) High secretion of iodine
(C) Insulin secretion is increased
(D) Baby suffers from Cushing disease

10. Cornea transplantation is easier than that of kidney. What would be the reason ?

(A) Cornea is easily available
(B) Doctors are expert
(C) No injury is made
(D) It does not invite immune response

11. Which of the following tissue has the condrocytes present ?

(A) Bone
(B) Cartilage
(C) Ligament
(D) Tendon

Group ‘A’ [8×5=40]

12. Write the differences between diffusion and osmosis. [5]
Or
What is transpiration ? Briefly explain its types. [1+4]

13. Enlist the applications of polyploidy. [5]

14. What is co-dominance ? Explain it with an example. [1+4]

15. What is meristem ? Write its characteristics and types. [1+4]

16. Draw a labelled diagram of male reproductive organs of human beings. List the hormones related to male reproduction. [3+2]
Or
Define digestion. List out the enzymes each for the digestion of carbohydrates, proteins and fats. [1+1+2+1]

17. Compare and contrast unstriped muscle fibres and striped muscle fibres. [5]

18. What is osmosis ? Write its types and significances. [1+1+3]

19. How is it possible to create disease resistant plant by using biotechnology ? Explain with examples. [5]

Group ‘A’ [8×3=24]

20. Explain the process of amniocentesis. Why is it done ? How is this technique being misused ? What kind of risk does it cause ? [5+1+1+1]

21. Differentiate enzymes and hormones. Explain the structure and functions of thyroid gland with labelled diagram. [2+4+2]

22. What is dihybrid cross ? Explain it with suitable example and draw conclusions. After conducting the dihybrid cross, which law did Mendel formulate ? State such law. [1+5+2]
Or
What is nucleic acid ? Write its types and compare them on the basis of location, structure, chemistry and functions. Explain in brief the structure of RNA with labelled diagram. [1+4+3]

NEB Class 12 Biology Technical Stream Exam Paper 2081-2024.

View and Download NEB Class 12 Biology Technical Stream Exam Paper 2081-2024 Code-9101 – Images.