The following events take place during conjugation in spirogyra 1. The protoplasm of each of the conjugating cell separate from the cell wall to form a Gamete; the gamete of one filament passes through the conjugation tube to meet the gamete of the other filament 2. The zygote soon become surrounded by thick brown wall to become zygospore which burst after a short rest and germinate to produce a new filament 3. The nuclei of the gametes fuse to form a zygote 4. The protuberance meet and where they touch the cell-wall disappear so that a conjugation tube joining the two cell is formed 5. protuberance appear on the wall of the cell of two filament of spirogyra lying side by side opposite one another. Now what is the correct sequence in which the above sequence occur?

a

1,2,3,4,5

b

1,2,4,5,3

c

3,4,5,2,1

d

5,4,1,3,2

e

5,4,3,1,2

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Explanation

Correct Option
d

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Discussions (25)

vikytorya
13 years ago

...i tink conjugatn occurs wen two parents organisms male nd female conjugant lie side by side 2 form a conjugant tube...d nuclei of a male conjugant passes thru d conjugatn tube 2 fertilize d female nuclei forming zygospous. The zygospous detach itsef carried by wind 2 a suitable environment if condition is favorable d zygospous germinate den release new filament organisms which lives indepent life....

favi34
2 years ago

idodo umeh biology
page 305

Ajuziehillary2010
6 months ago

I think I'm getting confused right
now😔

Mayorlizz
1 year ago

This is much abah 😪🙄

SWtluv
13 years ago

Is there no contribution 4 dis query

Aisosa1122
4 years ago

answer correct.

indomitable micol
13 years ago

with d answer given it is self explanatry no contributions

Eby2021
2 years ago

The correct sequence of events during conjugation in Spirogyra is:

5. Protuberances appear on the wall of the cells of two filaments of Spirogyra lying side by side opposite one another.
4. The protuberances meet, and where they touch, the cell wall disappears, forming a conjugation tube joining the two cells.
3. The nuclei of the gametes fuse to form a zygote.
1. The protoplasm of each of the conjugating cells separates from the cell wall to form a gamete; the gamete of one filament passes through the conjugation tube to meet the gamete of the other filament.
2. The zygote soon becomes surrounded by a thick brown wall to become a zygospore, which bursts after a short rest and germinates to produce a new filament.

So, the correct sequence is **E. 5,4,3,1,2**.

shawly
13 years ago

The ansa is correct,try remembrin the diagram of conjugation in spyrogyra,then follow the figures,arrange them according to the diagram

Hopekeys
11 months ago

how?

Finesse11
3 weeks ago

if you're getting confused or do not understand just check my school's given explanation or the video explanation

Sammy101
1 month ago

pls someone should send the diagram

Udehsunny
1 year ago

please can someone help me explain the question more. I do not understand at all

shawly
13 years ago

the option is correct,try rembrin the diagram of conjugation process in spyrogyra then follow the figures n arrange them according to the diagram

Obianuju1
12 years ago

Protuberance is gotten from protrude.. That is for sumthing to be protruding out... A sprout.

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