Download 5. Explain about the .rnethods of "Plant tissue culture" and

Total No. of Pages:
l't
I
B. Sc
MSBI
1IO1
Semester Examination (2012 Syllabus): Dec 2015
BIOLOGY
Full Marks: 60
Time: 3 Hrs.
Answer Question No.I which is compulsory and any Five from the rest.
Thefigure in the right hand murgin indicates marks.
(Illustrate your answer with labeled diagrams and examples wherever necessary.)
PART _ A
[10x1.5:151
l. a) Write the name of the author of the novel books "Historia Animalium" &
"Origin of life".
b) If a length of DNA sequence
is 306 Ao then how many total nitrogenous bases
& number of DNAs are present in it ?
c)
d)
e)
0
g)
h)
D
j)
Explain Lysosome is the "suicide bag of cell".
What is the importance,of amino acid in metabolic process?
What is the major function large intestine?
Write the name of circulatory organs of different phyla of non-chordates in
ascending order.
Briefly mention about Double fertilization.
What is the ratio and name of the cross, if a character CcLl cross with another
character ccll ?
What is major distinguishes between biopesticides & pesticides.
What is symbiotic & asymbiotic nitrogen fixation?
PART _ B
2. Write a note on structure & functio, of a typical animal cell.
3. Give an account on seven theories of "origin of life" and explain
[5x9:45]
[1x9]
about UreyMiller experiment.
[1x9]
4. Describe the Salient features of Algae and mention it's economic importance.
5. Describe. the.mechanism of C4 cycle of photosynthesis with reference to "Dark
reaction" & mention in which way it differs from C3 cycle.
[1x9]
5. Explain about the .rnethods of "Plant tissue culture" and write down it's
applications,
[1x9]
7. Write a detail note on structure & function of circulatory system of human. [lx9]
8. Write short notes on dny Three:[3x3]
' a) Recombinant
DNA technology
b) Germplasm conservation
c) Sex delermination
d) Economic importance of Aegle
e) Five kingdom Classification