Download botany xii

Botany
Second Year Final Exam 2017
Max.Marks: 40
Time: 2 hours
Section A
Q.1
Multiple Choice Questions:
1.
Osmotic pressure is the combination of water potential and __
a. Salt potential,
2.
b. Fats, c. Carbohydrates,
b. Heliophyte, c. Sciophyte,
b. Oxalis,
b. Cutin,
b. Umbel,
c. Scutelum,
d. Coleorhuza
c. Catkin,
d. Uniparous
b. Kinetochore, c. Chromonemata,
When eight histones combine in chromosome structure called
a. Sarcina,
10.
c. Phytoalexins, d. Not produces antibiotics
Chromosomes seen thin at the beginning of leptotene called:
a. Chromomere,
9.
c. Bean Plant, d. Insectivorous Plants
Inflorescences in Banana is:
a. Spadix,
8.
d. Hydrophyte
Monocots have a specialized type of coteledon:
a. Hypocotyle, b. Plumule,
7.
d. Water.
The infected plants produces antibiotics called
a. Penicillin,
6.
d. de plasmolysis.
Hapto nasty observed in
a. Touch me not,
5.
c. Osmotic pressure,
Plant growing in shades, termed as
a. Halophyte,
4.
b. Solute potential,
The metabolism of plants is mostly ___ based
a. Protein,
3.
(08)
b. Nucleosome, c. Nucleotides, d. Duplex
During Transcription Adenine is attached with
a. A,
b. T,
c. C,
d. U
d. Centromere
11.
The process in which deeper water come to the surface and surface water move away called
a. Transpiration,
12.
b. 4.5%,
d. 5.0%
b. Pleiotropy,
c. Continuously varying trait,
d. Multiple
c. Nullisomic, d. None of them.
The tendency of gene to remain together
a. Crossing over,
16.
c. 3.5%,
Down syndrome is an example of
a. Trisomic, b. Monosomic,
15.
d. Perma frost
The multiple effect of single gene or allele are termed as:
a. Polygenic inheritance,
inheritance.
14.
c. aphotic,
Salt concentration of sea is generally
a. 4.0%,
13.
b. Upwelling,
b. Linkage,
c. Pleiotropism,
d. Incomplete dominance
In hydrosere the reed swamp stage is also reffered as
a. Amphibious stage,
Reptiles stage, c. Mammalian stage,
d. None of them.
Q.2
Short Answers Questions:
(20)
A.
Two lines Answers: (any Ten)
(10)
1.
What is Halophytes with examples?
2.
Define: Solute potential and water potential.
3.
What are Hypertonic, Hypotonic and isotonic solution?
4.
Define Heart wood and Sap wood?
5.
What is annual ring?
6.
Define Biological Rhythms?
7.
Define Plasmolysis and de plasmolysis?
8.
What is Apomixis?
9.
What is Heterogamy?
10.
Define role of Pollen Tube?
11.
What are Meristems?
12.
Define Autosome and Sex chromosomes?
13.
What is Mutation?
14.
Define any two: 1. Nucleosome,
15.
What is Apoptosis?
16.
Define Klinfelter or Turner Syndrome?
B.
Five lines Answers: (any Five)
1.
How plants cope with low temperature?
2.
Why does wilting of leaves take place in hot summer days?
3.
What are the adaptation for balance between transpiration and water uptake?
4.
Describe the significance of secondary growth.
5.
Write note on Growth and curvature movement.
6.
What are the types of Induce Nastic movement?
7.
Define various barriers that favor cross pollination?
8.
Describe Development of female gametophyte?
9.
What is double fertilization?
10.
Give five differences between P660 and P730?
11.
What is Sutton theory?
12.
Define Transcription?
13.
Short note on any one: 1. Sickle cell anaemia,
14.
What are the significances of Meiosis?
15.
Define law of Dominance?
16.
What is Recessive epistasis with example?
17.
Differentiate between TypeI and Type II Diabetes.
18.
Define the following (any 2): 1. Topography,
19.
What is Test Cross?
2. Genome,
3. Trancription, 4. Nucleotides.
(10)
2. Phenylketonuria,
2. Synecology,
3. Genetic Codes.
3. Xeresere,
4. Edaphic factor
20.
Define grass land forest?
21.
Define the following any 2:
22.
When a Hemophilic male cross with carrier female what will be the resultant?
Q.3
Long Answer Questions:
1.
Describe plant responses during stress conditions.
2.
What are Phyto hormones? Describe in detail?
3.
Describe in detail the process of Mitosis with diagram and significance?
4.
What is Mendal law of Independent Assortment?
5.
What is Epistasis? Discus with examples
6.
Define Ecological Succession? Discus Hydrosere also?
7.
Describe in detailed Gene Mutation? How DNA damage? Describe Sickle cell anaemia?
1. Pyrophylus fungi, 2. Lentic water,
3. Profundal zone
(any Two)
(12)
Best of Luck