IGNOU LSE 12 2015 - Using clear and neatly labelled diagrams describe the vegetative and s

Question

Using clear and neatly labelled diagrams describe the vegetative and sexual reproduction in Marchantia.

07 Feb 2018

Answer :

Word Count : 753

Marchantia belongs to the complex thalloid group.The Marchantia thallus (plant body) is a flattened strap-like structure, 325 –925 µm thick, divided into three layers: the upper layer with pores (under a lens it can be seen to be dotted with closely crowded, whitish pores) with smooth, somewhat glossy surface, the middle layer with air pockets and chloroplast-containing cells, and the lower layer that stores carbohydrates. The thallus of Marchantia berteroana is yellow-green to green or reddish-brown, 600–900 µm thick, with branches up to 20 mm long and about 12 mm wide with wavy margins. The thallus has scales on the lower surface (ventral scales) that extend nearly to the margins, and rhizoids (hair-like structures that act as roots) with which it attaches to its substrate.

Sexual Reproduction

The sexual reproduction for leafy liverworts is very similar to the mosses. The sexual parts are contained in small and inconspicuous structures known as _________ _______ ______ ____ ________ __________ _____ ___ ________ ______ _______ _______.
_________ ________ ___ _____ __________ _____ _________.
__________ ________ ____ __________ _______ _________ ____ __________.
_________ ___ _______ ____ __________ ______ ______ _________ _______.
________ _________ ____ _______ ________ ______ _____.
_________ ___ ___ ________ _____ _______ _________.
______ _______ _____ _______ ____ ______ _______ __________ ______ _____ ____ _______.
___ _________ ___ ______ ______ ____ _____ _______ ____ ______ _____.
_________ ________ ________ ___ _______ ________ ___.
____ ____ ________ __________ ______ _______ ________ _________ _______ _____.
__________ ____ ___ _______ _______ ______ _________ ____ _____ ________ ______ __________.
___ ____ _____ ____ ________.
__________ _______ __________ _________ _________ _____ ________.
________ __________ _________ ___ ______ _____ ______ ________ ________ _________ ________ _______.
_______ ____ ____ ____ ___ _________ ___ _________ _______ _______.
______ _____ _________ ______ ______ ___ __________ ______.
_________ ____ _________ __________ _____ ________ __________ ______.
___ ___ __________ ___ __________ ________ ___ _______ _________ _________.
_________ ______ ______ ___ _____.
_______ __________ ______ ________ ________ ____ ______ __________ ___.
_______ _____ ___ _______ ________ __________ _____ ________ _____ _____ ____ ___.
______ _________ _______ _________ ___ ____ ________ __________ ________.
_____ ______ __________ _____ __________ _______ ____.
____ _____ __________ __________ ________ _______ _________ _____.
____ _________ ___ ________ ___ ____.
_______ ____ _______ _________ __________.
____ _________ __________ __________ _____ __________ _____ ________ ______.
__________ _____ ___ _____ _____ _____ __________ ______ __________ _______ ______ _____.
____ ___ _______ ____ ____ _____ ____ ________ __________ __________ _______ ________.
__________ __________ _______ ________ _________.
________ _______ __________ _____ _________ ________ _______ _______.
_____ ______ ____ ____ __________ ______.
_____ _______ ____ __________ ______ ____ _________ _______ _____ _________ ____.
______ _____ __________ _____ _______ ________ _________ __________ ________ _________ _____.
___ ____ _________ ___ __________ _____ ____.
______ _____ ______ _______ ______ ______ _______ _________ _____ _______ _______ ____.
___ _____ _____ ___ ____.
__________ _________ ____ ___ _____ _____ ____ __________ ___ ___.
_______ ___ ___ _________ _____ _________.
_______ ___ _____ _____ ___.
_________ ______ ___ _________ ______ ____.
_________ _________ ___ ____ ______ _________ ________ ________ __________ ___.
_________ _____ ___ ________ ______ ____ _________.
___ ____ _______ ______ __________.
________ _________ ___ _______ _________ __________ _________.
________ _______ ____ _____ _____ ______ _______ _______ ___.
______ ______ _______ ___ ________ ______ _________ _________ ___ _________ ___ ________.
_____ ____ ____ ____ ______ _______ ____.
_________ __________ _______ ________ ________ _______ ____ _________.
___ ________ _____ __________ _________ _________ _________ ________ _________.
_____ ________ _______ _____ ________ ________ __________ _________ ___.
________ _____ ____ ____ _____ _______ __________ ___ _____ __________ ____.
__________ ___ ______ ____ _________ __________ ______ ________.
_____ ______ _____ ___ _____ _________.
_____ ________ ___ _________ ____ ____ ______ ___ ______ ________ ____ ___.
____ ________ _______ ________ _________ ________ _________ ____ _________ ________ ____ __________.
_____ ____ ___ __________ __________ __________ _____ _______ ____.
___ __________ ________ ____ ___ __________.
__________ __________ ___ _________ ______ ________ _______ ___ _____.
_____ _______ ______ __________ ____ _______ ___ _____.
___ ___ _________ ________ ________ ______ ________.
____ ____ ______ ___ _____ _________.
________ ______ ________ __________ _________.
_____ _____ ____ ____ _______ ____ _________ ______ _____ _________ __________ ____.
_________ _______ _____ ____ __________ ________ _____ _________.

IGNOU ACADEMY

Your IGNOU journey, made easier.

Solved Assignments
Study Notes
Guess Papers
Question Papers

Call Us WhatsApp

STUDY • PREPARE • SUCCEED

Skip in 10

IGNOU Solved Assignments Assignments Ignou Projects Project Previous Year Solved Exam Papers Notes Notes Sample Question Papers Sample Question Papers

Top

📞

Call Support Instant phone assistance IGNOU LSE 12 2015 - Using clear and neatly labelled diagrams describe the vegetative and s | IGNOU Academy

→

🟢

WhatsApp Chat Fast live messaging

→

✉

Email Us Business enquiries & support

→