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Total No. of Questions : 11
Total No. of Printed Pages : 6
GH-405
M.Sc. IInd Semester (REG./ATKT)
Examination, 2022
Examination, 2022
Botany
Paper - 202
Paper - 202
Plant Development & Reproduction
Time : 3 Hours]
[Maximum Marks : Reg.= 85
Pvt.= 100
Note- All question are Compulsory.
SECTION - 'A'
Objective Type Questions
1×10=10
1.
Choose the correct answer.
(i)
The apical meristem of the root is found in.........
- Radical
- Top Root
- Adventitious Root
- All above
(ii)
Which meristem increases girth of plant?
- Intercalary
- Apical
- Primary
- Lateral
(iii)
In which of the following secondary growth is absent?
- Gymmosperm
- Dicot Stem
- Monocot Stem
- Dicot Root
(iv)
Name the first step in the process of plant growth?
- Seed Dormancy
- Seed Dessication
- Seed Germination
- Seed Fermentation
(v)
Where is embryo sac located?
- Stigma
- Micropyle
- Ovule
- Style
(vi)
Microsporogenesis is the formation of
- Megaspore
- Microspore
- Egg
- Embryo Sac
(vii)
The cells of a mature pollen grain are
- Vegetative Cell
- Generative Cell
- Both (a) & (b)
- Fused cells
(viii)
Which of the following provides nutrition to developing pollen grain?
- Tapetum
- Endothecium
- Epidermis
- All of above
(ix)
Endosperm formation takes place due to-
- Fertilization
- Double fusion
- Triple Fusion
- Fusion
(x)
Pollen tube is attracted to the............end of embryo sac.
- Micropylar end
- Hilum
- Synergid
- Generative
SECTION - 'B'
Short Answer Type Questions
5×6=30
2.
Explain short apical Meristem.
OR
Define Lateral Meristem.
3.
What is Secondary growth?
OR
Discuss Venation in leaves.
4.
Explain Microsporogenesis.
OR
Write the structure of Male gameto phyte.
5.
Explain the structure of ovule.
OR
Write briefly on embryo Sac.
6.
Comment on "Embryogenesis".
OR
Explain seed disperrsal with examples.
SECTION - 'C'
Long Answer Type Questions
5×9=45
7.
Describe Tissue differentiation in higher plants.
OR
Explain Root baiss in higher plants.
8.
Describe primery and secondary structure of stem.
OR
Discuss Anatomy of leaves.
9.
Discuss pollen embryo in detail.
OR
Explain flower development process in detail.
10.
Discuss various types of ovules.
OR
Explain structure of Megasporangium.
11.
Write Bridrly on-
- Polyembryony
- Apogamy
OR
Write an Essay on "Double Fertilization".