Download SGBAU BSc 2019 Summer 2nd Sem Zoology Cell n Developmental Biology Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) BSc 2019 Summer (Bachelor of Science) 2nd Sem Zoology Cell n Developmental Biology Previous Question Paper

Time
: Time I loursl
B.Sc. (Part?l) Scmcstcr?Il Examination
ZSi?ZOOLOGY
(Cell and Developmental Biology)
Note :? (1) ALL qucstions arc compulsory.
AW?l666
[Maximum Marks : 80
(2) Question N0. 1 can?ics 8 marks and rcmaining six qucslions carry 12 marks each.
(3) Illustrate your answers with suitable diagrams whcrcvcr necessary.
l. (A) Fill in Ihc blanks :
(i) The prokaryotic ribnsomcs are
(ii) Lysosomcs are also called as _. _ ._ bags.
(iii) Division of cytoplasm is known as _?, - .
(iv) Lzmiphrush chromosomes occurs in -_ .? .
(B) Choose correct alternative from the following :
(v) lngcslion of liquid particles by a cell is called as :
(u) Phagocytosis (b) I?inocylosis
(c) Lysis (d) None of the above
(vi) Who discovered ribosomc in animal cells ?.?
(a) Watson (b) Tatum
(c) Cuwd)? (d) Paludc
(vii) 'l'hc lip of a chromosome is called :
(u) Metamere (b) Chmmomcrc
(c) Micromcrc (d) Tclomcrc
(viii) In adult which cell is used as stem cells ?.?
(:1) Bone marrow cells (b) Embryonic cell
1C} Muscle cell (d) Nonc ot? the above
(C) Answer in one sentence :
(ix) What is cell division ??
(x) Who discovered lysosome '?
(xi) What is spurmatogencsis ?2
(xii) Who discovered Cell ?
YBC~ 152-10 1
k)
((?omd.)

U1
6.
:4
YBC 45240
Explain the following ;
(8.) Structure 01' Prokarwlic cell.
(b) Functions of Plasma mcmbramz
(0) Structure 01? Endoplasmic reticulum.
OR
(d) Structure 01? Eukaryolic cell.
(6) Fluid Mosaic model M plasma mcmbmnc.
(f) Functions 01? endoplasmic ruliculum.
Describe the following :
(g) Functions 01.001in complex.
(h) Ultraslructurc 01? Ribnsmre.
(i) Structure of Mnochondria.
()R
0) Structure of Golgi CClnplkX.
(k) Functions of Ribosomcs
(1) Functions of Lposonms.
Dcscribc the structure and fum lions nl? nucleolus.
OR
Describe he structure of lumpbrush chromosomcs and its signi?cance.
Explain th: followingI
(m) Significancc 0f \-Igio>is?
(n) Spcrmutogcncsis (labcllcd .1iugrammauc chart only).
(0) Metaphasc of mitosis.
()R
(p) Signi?cance of mimsi:
(q) Structure of mature sperm.
(r) Mechanism of l-?crlilimtinn
Describe the extra embryonic mcmbrancs in Chick.
0R
Give an acuoum of clcuxuge JIH'. Haslululion in frog.
Attempt the following :
(5) Uses ol? stem cells.
(I) Signi?cance of pzu'lhcmgcnesis.
(u) (?huriovilcllinc plnccmu.
OR
(v) Types of 51cm cells.
(w) Functions of pluccmu.
(x) 1pr of' parlhcnogcncsis
IJ