MBO-02 June - Examination 2016 MSC (Previous) Botany Examination Pteridophytes, Gymnosperms and Paleobotany Paper - MBO-02

MBO-02

June - Examination 2016

MSC (Previous) Botany Examination

Pteridophytes, Gymnosperms and Paleobotany Paper - MBO-02

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 : àíZ-nÌ "A', "~' Am¡a "g' VrZ IÊS>m| ‘| {d^m{OV h¡& à˶oH$

IÊS> Ho$ {ZX}emZwgma àíZm| H$m CÎma Xr{OE&

Section - A 8

×

2 = 16 (Very Short Answer Questions)

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)

{ZX}e : g^r àíZm| Ho$ CÎma Xr{OE& AnZo CÎma H$mo àíZmZwgma EH$ eãX, EH$ dm³¶ ¶m A{YH$V‘

³⁰

eãXm| ‘| n[agr{‘V H$s{OE& à˶oH$ àíZ

2

A§H$m| H$m h¡&

773

MBO-02 / 900 / 4 (1) (P.T.O.)

773

MBO-02 / 900 / 4 (2) (Contd.)

1) (i) What is Leptosporangiate development of sporangia?

boßQ>moñnmoaopÝOEQ> àH$ma H$m ~rOmUwYmZr n[adY©Z ³¶m h¡?

(ii) Name two homosporous pteridophytes.

Xmo g‘~rOmpÊdH$ Q>oamoS>mo’$mBQ>m Ho$ Zm‘ {b{IE&

(iii) Define Plectostile.

ßboñQ>moñQ>rb H$mo n[a^m{fV H$s{OE&

(iv) Write two characteristic of gymnosperm.

AZmd¥V~rOr Ho$ Xmo {deofVmE± {b{IE&

(v) Write the characteristic of coniferales.

H$moZr{’$aoëg H$s {deofVm {b{IE&

(vi) Name the gymnosperm which has motile sperm.

Cg AZmd¥V~rOr H$m Zm‘ {b{IE {Og‘o§ Mb nw‘Uw nm¶m OmVm h¡&

(vii) Write the form generation for the leaf of caytonia.

Ho$Q>mo{Z¶m Ho$ nU© H$m Hy$Q>d§e {b{IE&

(viii) Write two features of Glossopheris with Pteridophytes.

½bmogmoßQ>o[ag Ho$ Xmo bjU {b{IE&

MBO-02 / 900 / 4 (3) (P.T.O.) 773

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 CÎma dmbo àíZ)

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

200

eãXm| ‘| n[agr{‘V H$s{OE& à˶oH$ àíZ

⁸

A§H$ H$m h¡&

2) Describe the generalized life cycle of pteridophyta.

Q>o[aS>mo’$mBQ>m Ho$ gm‘mݶ OrdZ MH«$ H$m dU©Z H$s{OE&

3) Write a note on classification of pteridophyta.

Q>o[aS>mo’$mBQ>m Ho$ dJuH$aU na {Q>ßnUr {b{IE&

4) Write a note on Telome theory.

Q>rbmo‘ {gÕmÝV na {Q>ßnUr {b{IE&

5) Write characteristic of families of cycadoidales.

gmBH$mo{S>¶moS>oëg Ho$ {d{^ÝZ Hw$bm| H$s {deofVmE± {b{IE&

6) Describe the anatomy of leaf of Gnetum.

ZrQ>‘ Ho$ nÎmr H$s Am§V[aH$ g§aMZm H$m dU©Z H$s{OE&

7) Write note on compression fossils.

H$åàoeZ Ordmí‘ na {Q>ßnUr {b{IE&

8) Write a note on Paleozoic era.

n¡{b¶mOmoB’$$ ‘hmH$ën na {Q>ßnUr {b{IE&

9) Write characteristic features of Pteridospermales.

Q>o[aS>moñn‘}ëg Ho$ {deof bjU {b{IE&

773

MBO-02 / 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.

(IÊS> - g) (XrK© CÎmar¶ àíZ)

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

⁵⁰⁰

eãXm| ‘|

n[agr{‘V H$aZm h¡& à˶oH$ àíZ

¹⁶

A§H$ H$m h¡&

10) Write detail account on Lyginopteris.

bmB{OZmoßQ>o[ag na {dñV¥V boI {b{IE&

11) Describe the alternation of generation in heterosporous peteridophytes.

{df‘~rOmpÊdH$ Q>o[aS>mo’$mBQ>m ‘| nrR>r EH$mÝVaU H$m dU©Z H$s{OE&

12) Describe the male and female reproductive structures in coniferales.

H$mo{Z’o$aoëg Ho$ Za d ‘mXm OZZm§Jmo H$m dU©Z H$s{OE&

13) Describe the process of fossilization.

Ordmí‘rH$aU H$s à{H«$¶m H$m dU©Z H$s{OE&