Biology (Botany+Zoology) | Grade 12-XII | Question Paper 2076 [2019] | Sub. Code: 214-C | NEB


NATIONAL EXAMINATIONS BOARD [NEB]
Biology (Botany+Zoology) - Grade XII-12
Examination - 2076 (2019)
Regular Students | Subject Code: 214 ‘C’
Time - 3 hrs
Full Marks - 75
Pass Marks - 27 (For Partial Student Only)
DOWNLOAD PDF | of Exam Paper | Biology(Botany/Zoology) | Grade 12-XII | Sub. Code: 214-C | 2076 [2019] NEB
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Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.
Note:This question paper contains Botany portion in Group 'A' and Zoology portion in Group 'B'. So use separate answer sheets for Group 'A' and Group 'B'. First use answer sheet for Group 'A'.
Group 'A'
Botany
Attempt all questions.
1. Answer in short on any seven. [7×1=7]
a) What is apical meristem?
b) Define plasmolysis?
c) Where does auxin synthesize?
d) Mention about dominant allele.
e) Define heredity.
f) What does it mean by scion?
g) What is microspores?
h) State about cleistogamy.
i) Illustrate about callus culture.
j) Define biotechnology.

2. Describe in brief on any five. [5×3=15]
a) Structure and function of sclerenchyma.
b) Collateral vascular bundle.
c) Difference between homozygous and heterozygous.
d) Structure of RNA.
e) Process of transltion.
f) Development of monocot embryo.
g) Possible danger of genetic engineering.

3. Describe the various factors that influences the photosynthesis in plants. [7.5]

Or
Describe the various factors that affects the process of respiration in plants. [8]

4. Define genetic material and describe the process involved in semi-conservative method of DNA replication with neat and clean diagram. [8]


Group 'B'
Zoology
Attempt all the questions:

1. Answer in short on any seven. [7×1=7]
a) Name main component of matrix.
b) What is organogenesis?
c) What is meant by dead space?
d) Why is ultra filtration called so?
e) In which part of oviduct fertilization occurs?
f) Write full form of ALISA.
g) Why and when was TB declared as world emergency?
h) What do you mean by allograft?
i) Who invented the first Antibiotics?
j) What are pullets?

2. Describe in brief on any five. [5×3=15]
a) Write short notes on lymph.
b) Write down the fate of mesoderm.
c) Discuss CO2 transport.
d) Explain working of Heart.
e) Differentiate between sympathetic and para sympathetic nervous system.
f) Discuss significance of surrogacy.
g) Write down the mode of the transmission of Hepatitis B.

3. Describe the structure and function of uriniferous tubule with labeled diagram. [7.5]

Or
Describe the structure of female reproductive organs with menstrual cycle in human being.

4. Describe the causative agent, mode of transmission, symptoms, control and prevention of Typhoid. [8]
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Biology-Botany+Zoology Grade 12-XII Question Paper 2076/2019 Sub. Code: 214c NEB

Biology-Botany+Zoology Grade 12-XII Question Paper 2076/2019 Sub. Code: 214c NEB
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