MBO-01 June - Examination 2016 MSC (Previous) Botany Examination Biology and Diversity of Microbes and Non-Vascular Cryptogam Paper - MBO-01

(1)

MBO-01

June - Examination 2016

MSC (Previous) Botany Examination Biology and Diversity of Microbes and

Non-Vascular Cryptogam Paper - MBO-01

Time : 3 Hours ] [ Max. Marks :- 80

Note: The question paper is divided into three sections A, B and C.

Write answers as per the given instructions.

{ZX}e : ¶h àíZ-nÌ "A', "~' Am¡a "g' VrZ IÊS>m| ‘| {d^³V h¡& àË¶oH$

IÊS> Ho$ {ZX}emZwgma àíZm| H$m CÎma Xr{O¶o&

Section - A 8 × 2 = 16 (Very Short Answer Questions) (Compulsory)

Note: Answer all questions. As per the nature of the question delimit your answer in one word, one sentence or maximum upto 30 words. Each question carries 2 marks.

IÊS> - "A'

(A{V bKw CÎmar¶ àíZ) (A{Zdm¶©)

{ZX}e : g^r àíZm| Ho$ CÎma Xr{OE& AnZo CÎma H$mo àíZmZwgma EH$ eãX, EH$

dm³¶ ¶m A{YH$V‘ ³⁰eãXm| ‘| n[agr{‘V H$s{OE& àË¶oH$ àíZ Xmo A§H$m| H$m h¡&

772

MBO-01 / 900 / 4 (1) (P.T.O.)

(2)

772

MBO-01 / 900 / 4 (2) (Contd.)

1) (i) What are bulbils?

~wb-{~ëg ³¶m h¡?

(ii) Give names of two mycoplasmal diseases in plants.

‘mBH$moßbmÁ‘m O{ZV Xmo nmXn amoJm§o Ho$ Zm‘ Xr{O¶o&

(iii) Define Archaebacteria.

Am‘u~o{‘©Q>a¶m H$mo n[a^m{fV H$s{O¶o&

(iv) Alginate is obtained from which algae.

EopëOZoQ> {H$g e¡dmb go àmßV hmoVr h¡?

(v) What do you understand by ‘‘Heterothallism’’?

""{hQ>oamoW¡{bÁ‘'' go ³¶m VmËn¶© h¡?

(vi) Give systematic position of Pilobolus.

nmBbmo~mobg H$s dJuH¥$V pñWVr Xr{O¶o&

(vii) Which generation is dominant in life cycle of Bryophytes?

~«m¶mo’$mBQ²>g Ho$ OrdZ MH«$ ‘| H$m¡Zgr nrT>r à^mdr hmoVr h¡?

(viii) Give name of two fungal diseases in plant.

H$dH$ O{ZV Xmo nmXn amoJmo§ Ho$ Zm‘ {b{I¶o&

(3)

MBO-01 / 900 / 4 (3) (P.T.O.) 772

Section - B 4 × 8 = 32 (Short Answer Questions)

Note: Answer any four questions. Each answer should not exceed 200 words. Each question carries 8 marks.

(IÊS> - ~) (bKw CÎmar¶ àíZ)

{ZX}e : {H$Ýhr Mma àíZm| Ho$ CÎma Xr{O¶o& Amn AnZo CÎma H$mo A{YH$V‘

200 eãXm| ‘| {b{IE& àË¶oH$ àíZ ⁸A§H$ H$m h¡&

2) Write note on economic importance of Bacteria.

OrdmUw Ho$ Am{W©H$ ‘hËd na {Q>ßnUr {b{I¶o&

3) Draw a labelled diagram of cyanobacterial cell.

gmBZmo~¡³Q>r[a¶m H$mo{eH$m H$m Zm‘m§{H$V {MÌ ~ZmB¶o&

4) Write a note on structure of bacteriophage.

~¡³Q>r[a¶m|’o$O H$s g§aMZm na {Q>ßnUr {b{I¶o&

5) Write general characters of Charophyta.

H$mamo’$mBQ>m Ho$ gm‘mÝ¶ bjU {b{I¶o&

6) Give an account on morphology and habitat of Morchella.

‘mH}$bm H$s ~mø AmH$m[aH$s Ed§ Amdmg H$m {ddaU Xr{O¶o&

7) Describe characteristic features of Bryophytes.

~«m¶mo’$mBQ²>g Ho$ {d{eîQ> bjUm| H$m dU©Z H$s{O¶o&

8) Write economic importance of Sphagnum.

9) Write a short note on Notothylus.

""ZmoQ>moWmBbg '' na g§{jßËV {Q>ßnUr {b{I¶o&

(4)

772

MBO-01 / 900 / 4 (4)

Section - C 2 × 16 = 32 (Long Answer Questions)

Note: Answer any two questions. You have to delimit your each answer maximum upto 500 words. Each question carries 16 marks.

{ZX}e : {H$Ýhr Xmo àíZm| Ho$ CÎma Xr{OE& CÎma H$mo A{YH$V‘ ⁵⁰⁰eãXm| ‘|

n[agr{‘V H$s{O¶o& àË¶oH$ àíZ ¹⁶A§H$ H$m h¡&

10) Write a short note on following:

{ZåZ na {Q>ßnUr {b{I¶o&

(i) Classification of viruses dmBag H$m dJuH$aU

(ii) Transmission of viruses. dmBag H$m g§MaU

11) Explain following:

{ZåZ H$mo ñnîQ> H$s{O¶o&

(i) Botrydium ~moQ´>mB{S>¶‘

(ii) Laminaria bo{‘Zo[a¶m

12) With the help of labelled diagrams explain the life cycle of Pellia.

Zm‘m§{H$V {MÌm| H$s ghm¶Vm go ""no{b¶m'' H$s OrdZ MH«$ H$mo ñnîQ>

H$s{O¶o&

13) Write detailed note on economic importance of Fungi.