NATIONAL EXAMINATIONS BOARD [NEB]
Biology (Botany+Zoology) - Grade XI-11
Examination - 2076 (2019)
Regular Students | Subject Code: 114 ‘B’
Time - 3 hrs
Full Marks - 75
Pass Marks - 27 (For Partial Student Only)
DOWNLOAD PDF | of Exam Paper | Biology(Botany/Zoology) | Grade 11-XI | Sub. Code: 114-B | 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'. alert-success

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Solved Biology (Botany+Zoology) Grade 11-XI Question Paper 2076-2019 | Subject Code:114B | NEB

Group 'A'

Botany

Attempt all questions.

1. Answer in short on any seven. [7×1=7]

a) What does it mean by eukaryotic cell?
b) Define cell sap.
c) State about plasmodesmata.
d) What is species?
e) Elaborate bacillus.
f) Define hormogonia.
g) Mention about pin mould.
h) Illustrate hydrosphere.
i) What is predation?
j) Define food web.

2. Describe in brief on any five. [5×3=15]

a) Functions of carbohydrate.
b) Types of lysosomes.
c) Kinds of chromosome.
d) Structure of Nostoc.
e) Economic importance of gymnosperm.
f) Types of stem.
g) Significance of water management.

3. Describe the structure and sexual reproduction in Marchantia with suitable diagrams. [7.5]
Or Describe the family cruciferae in semi-technical terms with identifying characters, floral diagram and floral formula with two examples of economic value.

4. Define ecosystem and describe the structural and functional aspects of pond ecosystem with suitable examples. [8]

Group 'B'

Zoology

Attempt all the questions:

1. Answer in short on any seven. [7×1=7]

a) What do you understand by apiculture?
b) Define genetic engineering.
c) What is the first form of life?
d) Define taxonomy.
e) What is conjugation?
f) Define the term haemocoelomate.
g) What is haemozoin?
h) Give the scientific name of millipede and tiger.
i) What is biological control of pest?
j) Define the term taxis.

2. Describe in brief on any five. [5×3=15]

a) Oparin-Haldane's theory.
b) Liver schizogony in malarial parasite.
c) Structure and function of trichocyst.
d) List out the sources of pollutants.
e) Differentiate between chondrichthyes and oesteichthyes.
f) Terrestrial adaptations of animal.
g) Causes of depletion of wild life.

3. What is portal system? Describe the venous system of frog. [7.5]
Or Describe the reproductive system of earthworm.

4. Explain the most accepted theory of origin of life on the earth. [8]

Note :- If you need Grade 11 Biology (Botany+Zoology) Sub. Code: 114 'B' Question paper 2076/2019 in PDF File, please post your email address in "Comment Box" below. :) alert-success

Check and view Biology (Botany+Zoology) | Grade 11-XI | Question Paper 2076 [2019] | Sub. Code: 114-B | National Examination Board (NEB).

Biology-Botany+Zoology Grade 11-XI Question Paper 2076-2019 Sub Code: 114-B NEB

Biology-Botany+Zoology Grade 11-XI Question Paper 2076-2019 Sub Code: 114-B NEB

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12Comments
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      drg vlogs
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    drg vlogs
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