HSST Botany 2017 Syllabus by Kerala PSC (Download PDF)

Botany lecture notes

botany hsst 2017 2018 syllabus

HSST BOTANY SYLLABUS
Higher Secondary School Teacher (Junior) Botany

Kerala PSC (Public Service Commission)

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MODULE -1

PHYCOLOGY

1. Classification of algae – Fritsch and Smith

2. Recent trends in classifications

3. General Features of Algae – Thallus organization, vegetation, sexual and asexual reproduction and Life Cycle in Algae

4. Pattern of life cycle and salient features of the following classes: Cyanophyta, Chlorophyta, Xanthophyta, Bacillariophyta, Phaeophyta and Rhodophyta

5. Economic importance of algae: Biofertilizers, Food industry, Industrial and medicinal importance, algal bloom

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HSST Botany Question Paper 2012 by Kerala PSC with Answer Key and Explanations Part 4

Botany lecture notes

Acanthaceae, Strobilanths
Strobilanths kunthiana (source wikipedia)

Kerala PSC HSST Botany 2012 Examination
Higher Secondary School Teacher: Junior & Senior
Question Paper Code 40/2012 (Cat. NO. 449/2010)

Original question paper of Kerala PSC HSST Botany Junior / Senior (Higher Secondary School Teacher Botany), Category No. 449/2010) examination conducted by Kerala PSC (Public Service Commission) on 13/04/2002 (Q. Code 40/2012) for the appointment of HSST Botany in Government Higher Secondary Schools of Kerala under the Directorate of Higher Secondary Education, Trivandrum, Govt. of Kerala. Questions are in MCQ (Multiple Choice Questions) format.

Part – 4 (Questions 76 – 100)

76.  Fossil fuels are:

a.       Renewable resources
b.      Non-renewable resource
c.       Inexhaustible resources
d.      Non-renewable and exhaustible resource

Ans. (d). Non-renewable and exhaustible resource

77.  Parthenocarpy is induced by the hormone:

a.      BAP
b.      GA
c.       IAA
d.      ABA

Question removed due to confusions in the options

Parthenocarpy: formation of fruit without fertilization. Parthenocarpic fruits are devoid of seeds, Eg. Banana

Gibberellin can induce the formation of seedless fruits but not through parthenocarpy but through stenospermocarpy

Stenospermocarpy: a biological phenomenon which induces seedless fruit formation in some fruits especially grapes. In stenospermocarpic fruits, normal pollination and fertilization is essential to ensure fruit formation. But during the course of fruit development spontaneous embryo abortion takes places and it leads to near seedless condition.  

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HSST Botany 2012: Kerala PSC Previous Year Question Paper with Answer Key and Explanations – Part 3

mcq biology
green fluorescent protein
(image source: wikipedia)

Kerala PSC HSST Botany 2012 Examination
Higher Secondary School Teacher: Junior & Senior
Question Paper Code 40/2012 (Cat. NO. 449/2010)

Original question paper of Kerala PSC HSST Botany Junior / Senior (Higher Secondary School Teacher Botany), Category No. 449/2010) examination conducted by Kerala PSC (Public Service Commission) on 13/04/2002 (Q. Code 40/2012) for the appointment of HSST Botany in Government Higher Secondary Schools of Kerala under the Directorate of Higher Secondary Education, Trivandrum, Govt. of Kerala. Questions are in MCQ (Multiple Choice Questions) format.

Part – 3 (Questions 51 – 75)

51.  GFP stands for:

a.       Green Fluorescent Protein
b.      Gene Finger Printing
c.       Grey Fluorescent Protein
d.      Green Fluorescent Plants

Ans. (a). Green Fluorescent Protein

GFP: It is a 26.9 dDa protein with 238 amino acids originally isolated from a jellyfish namely Aequorea victoria. GFP emit green fluorescent light when hit with light waves of ultraviolet region. The excitation wave length of GFP is 395 nm and the emission wavelength is at 475 nm (bright green). GFP is extensively utilized in molecular biology research for tagging biomolecules especially proteins for quantification, localization, interaction of proteins with other proteins or other cellular components. Martin Chalfie, Osamu Shimomura and Roger Y. Tsien were awarded the 2008 Nobel Prize in Chemistry for their discovery and development of the green fluorescent protein. Many variants of GFP are now available each with characteristic excitation and emission ranges.

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52.  Asafoetida is obtained from which part of Ferula asafetida:

a.       Stem back
b.      Leaf
c.       Root
d.      Fruit

Ans (c). Root

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Botany HSST Recruitment: Kerala PSC Question Paper with Answer Key and Explanations: Part 2 (Q 25 – 50)

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How is Itty Achutan?

Kerala PSC HSST Botany 2012 Examination
Higher Secondary School Teacher: Junior & Senior
Question Paper Code 40/2012 (Cat. NO. 449/2010)

Original question paper of Kerala PSC HSST Botany Junior / Senior (Higher Secondary School Teacher Botany), Category No. 449/2010) examination conducted by Kerala PSC (Public Service Commission) on 13/04/2002 (Q. Code 40/2012) for the appointment of HSST Botany in Government Higher Secondary Schools of Kerala under the Directorate of Higher Secondary Education, Trivandrum, Govt. of Kerala. Questions are in MCQ (Multiple Choice Questions) format.

Part – 2 (Questions 26 – 50)

26.  Auxospores are produced by:

a.       Volvox
b.      Spirogyra
c.       Diatoms
d.      Oedogonium

Ans. (c). Diatoms

Auxospore is a type of asexual spore in diatoms. Auxopore formation helps the diatomic cells to regain its original cell size which is reduced by repeated mitotic cell divisions. 

27.  Lectins are:

a.       Lipids
b.      Protein binding carbohydrate
c.       Fatty acids
d.      Carbohydrates binding proteins

Ans. (d). Carbohydrates binding proteins

Lectins: they are plant proteins which specifically bind to carbohydrates. They are toxins since they can coagulate glycoproteins. Lectins have immense application in biological research; they can be used for the separation and purification of specific glycoproteins.  In the earlier days, lectins were also used for blood typing. Concanavalin A (ConA) is the first isolated and commercialized plant lectin (isolated from jack bean Canavalia ensiformis). Ricin is another common plant lectin isolated from Ricinus communis (castror).

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HSST Botany Junior & Senior Kerala PSC Question Paper with Answer Key and Explanations: Part I (Q 1 – 25)

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HSST Botany Previous Year Question Papers

Kerala PSC HSST Botany 2012 Examination
Botany Higher Secondary School Teacher: Junior & Senior
Question Paper Code 40/2012 (Cat. NO. 449/2010)

Original question paper of Kerala PSC HSST Botany Junior / Senior (Higher Secondary School Teacher Botany), Category No. 449/2010) examination conducted by Kerala PSC (Public Service Commission) on 13/04/2002 (Q. Code 40/2012) for the appointment of HSST Botany in Government Higher Secondary Schools of Kerala under the Directorate of Higher Secondary Education, Trivandrum, Govt. of Kerala. Questions are in MCQ (Multiple Choice Questions) format.

Part – 1 (Questions 1 – 25)


(1). Key enzyme in PCR:

a.       Taq polymerase
b.      EcoRI
c.       Restriction endonuclease
d.      Ligase

Ans. (a). Taq polymerase

Taq DNA polymerase is a thermostable DNA polymerase enzyme obtained from a thermophilic bacterium Thermus aquaticus. Taq DNA polymerase is frequently used polymerase enzyme in Polymerase Chain Reaction (PCR). The optimum temperature for Taq DNA polymerase is 72oC. Taq DNA polymerase does not have the 3’ – 5’ exonuclease proof reading activity and thus the fidelity of this enzyme is relatively low. Taq DNA polymerase adds a 3’ ‘A’ (adenine) overhang at the 3’ end of PCR products. This property can be used in the ‘TA’ cloning procedure where the PCR products can be easily ligated (cloned) to a vector containing ‘T’ overhangs.

Pfu polymerase is another thermostable DNA polymerase used in PCR, isolated from the bacterium Pyrococcus furiosus. The advantage of using Pfu polymerase over Taq polymerase is that, Pfu polymerase enzyme processes the 3’ – 5’ exonuclease proof reading activity and hence this enzyme shows high fidelity.

EcoRI: restriction enzymes obtained from E. coli.

Restriction enzyme: also called as molecular scissors, are endonuclease enzymes with cut DNA on specific sites, they are important tool in genetic engineering.

Ligase: a class of enzyme which joins two molecules by the formation of new covalent bonds between the two molecules with energy obtained from ATP cleavage. DNA ligase is a type of ligase which catalyzes the formation of phosphodiester bond between two nucleotides.

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