Tuesday, March 13, 2012

EAMCET BOTANY FIRST YEAR UNIT-1 ASSIGNMENT

1 Study the following and choose the correct match
List – I                    List – II
A) HPLC                             I) Activity of Rubisco
B) Electrophoresis            II) Separation of 
                                      ribosomal subunits
C) Microchemical tests             III) Structure of nuclear 
                                      envelope
D) Ultracentrifugation             IV) Separation of genes
                      V) Separation of sugars   





Ans:A-V, B-IV, C-I, D-II
2 Match the following
List – I            List – II
A)Morphology of crop plants I)Atharvanaveda
B)Methods of cultivation II)Vrikshayurveda
C)Book on Plant cultivation III)Hieroglyphics
D)1st information about 
medicinal plants          IV)Parasara
                    V)2500 B.C.





Ans:A-III, B-V, C-IV, D-I
3 This was the contribution for the development of botany during renaissance period




Ans:Introduction of binomial nomenclature
4 Arrange the following contributions for the development of Botany in correct chronological sequence
I. Laws of inheritance
II. Discovery of tissues
III. Chromosomal role in Inheritance
IV. Discovery of Parenchyma





Ans:II, IV, I, III
5 Much of the progress in plant physiology was made in




Ans:20th century
6 The plant used as food by astronauts is




Ans:Algal SCP
7 [A]: Efforts made in plant physiology contributed for the development of agriculture
[R]: Auxins have herbicidal effect and used to eradicate weeds in dicot crops





Ans:A is true but R is false
8 [A]: Most of the biofertilizers are Prokaryotes
[R]: All prokaryotes have an enzyme that converts N2 into NH3





Ans:A is true but R is false
9 Plants of a family with the following character are rich in hydrocarbons




Ans:Carunculate seeds
10 Study the following table and choose the correct combination
Contributor  Contribution 1        Contribution 2
I)H.G. Khorana Cracked  genetic code Artificial synthesis of gene
II)Hugo de       Rediscovered            Discovery of Mutations 
     Vriese      Mendal’s laws
      
III)Holley  Dechphered genetic    2-D structure of tRNA
                        code 
IV)Crick DNA structure        Central dogma of molecular 
                                          biology





Ans:All
11 Identify the wrong pair




Ans:Fraenkel conrat – Genetic nature of RNA in Tobacco
12 Choose the correct statement




Ans:Shimakura contributed for the development of organ culture of plants
13 Match the following
List – I           List – II

A)Iodine                  I)Coriandrum
B)Biodiesel plant         II)Arnica
C)Medicinal plant        III)Azolla
D)Condiment                 IV)Jatropa
                          V)Sea weeds





Ans:A-V, B-IV, C-II, D-I
14 Study the following table and choose the correct combination
Century        Contribution I             Contribution II

I)17th         Sexual reproduction in      Invention of compound 
               plants                     microscope
II)18th        Sexual system of            Existence of root 
               classification              pressure in plants 
III)19th       Last natural system         Crystallisation of 
               of Classification           Enzymes 
IV)20th        Structure of chemical       Plant organ culture 
               basis of heredity  
 





Ans:II and IV
15 [A]: Went identified the role of Auxins on Plant Growth
[R]: He discovered the Root Initiation role of IAA in plants





Ans:A is true but R is false
16 Agar-Agar is a




Ans:Carbohydrate
17 Essential oils of the following plant have medicinal value




Ans:Ocimum
18 [A]: Bassham was involved in the discovery of some of the aspects of Photosynthesis
[R]: He discovered Phospho glyceric acid as the first stable product in C3 cycle





Ans:Both A and R are true and R is the correct explanation of A
19 Perisperm of the following plant is edible and main source of beverages




Ans:Coffee
20 There was no development of the following during 20th century.




Ans:Natural system of classification
21 Study the following and choose the correct match
List – I             List – II
A)HPLC                        I)Activity of Rubisco
B)Electrophoresis       II)Separation of ribosomal subunits
C)Microchemical tests      III)Structure of nuclear envelope
D)Ultracentrifugation       IV)Separation of genes
                 V)Separation of Sugars





Ans:A-V, B-IV, C-I, D-II
22 This was the contribution for the development of botany during renaissance period




Ans:Introduction of binomial nomenclature
23 Much of the progress in plant physiology was made in




Ans:20th century
24 [A]: Efforts made in plant physiology contributed for the development of agriculture
[R]: Auxins have herbicidal effect and used to eradicate weeds in dicot crops





Ans:A is true but R is false
25 Plants of a family with the following character are rich in hydrocarbons




Ans:Carunculate seeds
26 Identify the wrong pair




Ans:Fraenkel conrat – Genetic nature of RNA in Tobacco
27 Match the following
List – I            List – II
A)Iodine                   I)Coriandrum
B)Biodiesel plant          II)Arnica
C)Medicinal plant         III)Azolla
D)Condiment                  IV)Jatropa
                    V)Sea weeds





Ans:A-V, B-IV, C-II, D-I
28 The antibiotic penicillin is obtained from




Ans:Fungus
29 Arnica is a




Ans:medicinal plant
30 Match the following
List – I            List – II
A)Bryophyte                   I)Ovules
B)Pteidophyte                   II)Seeds with polyploidy endosperm
C)Angiosperm                   III)Parasitic gametophytes
D)Gymnosperm                   IV)Parasitic sporophytes
                    V)Tracheids first appeared





Ans:A-IV, B-V, C-III, D-I
31 Study the following table and choose the correct combination
Division     Character I              Character II

I)Bryophyta   Stalked sex organs   Zooidogamous oogamy
II)Pteridophyta   All macrophyllous       Sessile sex organs
                  leaves
III)Gymnosperms   Diplontic haplontic    Anatropous ovules
           life cycle
IV)Angiosperms   Pomiphytes           Spermatophytes





Ans:I and IV
32 [A]: Cycas is a gymnosperm
[R]: It shows anemophily





Ans:Both A and R are true but R is not the correct explanation of A
33 Choose the correct statement




Ans:Genes for different characters are present either on the same chromosome are different non-homologous chromosomes
34 Heterosporous condition first appeared in




Ans:pteridophytes
35 All embryophytes have




Ans:Heteromorphic alternation of generations
36 Archegoniates are
I. Bryophytes
II. Gymnosperms
III. Pteridophytes





Ans:All
37 Choose the wrong group




Ans:Pteris – Heterosporous – adventitious root system
38 Identify the wrong pair




Ans:Chlorella – dye yielding plant
39 Applied branches of botany like agriculture and horticulture recorded enormous progress due to the experiments carried out in the fields of
i) Cytology
ii) Plant taxonomy
iii) Hybridization
iv) Genetic engineering





Ans:iii and iv
40 [A] : Crop yield can be enhanced by using the method of biotechnology.
[R] : Disease resistance, pest resistance in crops like paddy and cotton can be attained by incorporating the desired genes.





Ans:A and R are correct and R is the correct explanation of A

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Asthra