Question
Types of ovules
Answer :
Word Count : 348
__________ _________ ________ _____ __________ ___ ____ _______.
___ _______ _________ ___ _________ ___.
_______ _________ ______ ___ ____ __________ ______ _______ _______ ________.
______ _____ ________ _______ __________ _____ ___.
_________ _________ ______ _____ _________ _____ _____ ___ ____ __________.
__________ ___ ________ _________ _________ _____ _________.
___ ____ ___ ______ ___ ______ _______ ___ ______.
________ __________ ______ _________ ____ _______ __________ _____ _________ ________ ________ ________.
____ _______ __________ ______ ____.
_______ ______ ____ __________ __________.
___ _______ ________ ______ ____ _____ __________ ______ _______ __________ ______.
_________ ____ ______ _________ ______ ________ __________ _______.
______ ____ _____ __________ _________ ____.
_____ ____ _________ __________ ______ ______ ________.
____ _____ ____ _______ _________ _____ __________ _______ ________ ______ _________ ____.
____ _______ ___ ______ ________ ____ _______ ____ ____ ______ __________ ___.
______ _______ ______ _________ _______.
_________ ______ ________ ______ ___ _______ _____ _________ _______.
________ __________ ________ ___ ___ ________ _______ _______ ______ _________ ___.
__________ _______ ___ ______ ______ _________ _______ ______ ____.
_______ _________ ____ _______ _____ _____ __________ ___.
__________ ________ _________ _____ ______ ________ ________ _________ _______ ___ ________.
__________ ____ __________ ________ ______ _______ _______ ______ ____ _________ ______.
__________ ___ ______ _______ ___ ______ _____ _________ ________ ____ _____ ____.
____ _______ ___.
Skip in 10
Ovules are classified into different types mainly on the basis of the position of the micropyle, chalaza and funiculus with respect to the ovular body, and these structural variations are important in understanding seed development and fertilization mechanisms. Orthotropous ovule is the simplest and most primitive type. In this type, the ovule is straight, and the micropyle, nucellus and chalaza lie in a single vertical line. The funiculus is attached at the base, and there is no curvature of the ovule. ``` Micropyle | Nucellus | Chalaza | Funiculus ``` Anatropous ovule is the most common type found in angiosperms. Here, the ovule becomes completely inverted during development due to rapid growth on one side. As a result, the micropyle comes to lie close to
____ ________ ___ __________ ________ ______ ________ ________ __________.__________ _________ ________ _____ __________ ___ ____ _______.
___ _______ _________ ___ _________ ___.
_______ _________ ______ ___ ____ __________ ______ _______ _______ ________.
______ _____ ________ _______ __________ _____ ___.
_________ _________ ______ _____ _________ _____ _____ ___ ____ __________.
__________ ___ ________ _________ _________ _____ _________.
___ ____ ___ ______ ___ ______ _______ ___ ______.
________ __________ ______ _________ ____ _______ __________ _____ _________ ________ ________ ________.
____ _______ __________ ______ ____.
_______ ______ ____ __________ __________.
___ _______ ________ ______ ____ _____ __________ ______ _______ __________ ______.
_________ ____ ______ _________ ______ ________ __________ _______.
______ ____ _____ __________ _________ ____.
_____ ____ _________ __________ ______ ______ ________.
____ _____ ____ _______ _________ _____ __________ _______ ________ ______ _________ ____.
____ _______ ___ ______ ________ ____ _______ ____ ____ ______ __________ ___.
______ _______ ______ _________ _______.
_________ ______ ________ ______ ___ _______ _____ _________ _______.
________ __________ ________ ___ ___ ________ _______ _______ ______ _________ ___.
__________ _______ ___ ______ ______ _________ _______ ______ ____.
_______ _________ ____ _______ _____ _____ __________ ___.
__________ ________ _________ _____ ______ ________ ________ _________ _______ ___ ________.
__________ ____ __________ ________ ______ _______ _______ ______ ____ _________ ______.
__________ ___ ______ _______ ___ ______ _____ _________ ________ ____ _____ ____.
____ _______ ___.
IGNOU ACADEMY
Your IGNOU journey, made easier.
- Solved Assignments
- Study Notes
- Guess Papers
- Question Papers
Continue Reading — It's Free
Sign in with Google to unlock more of this answer.
✓ Free access
✓ Unlock up to 60% of the answer
✓ No payment required
✓ Unlock up to 60% of the answer
✓ No payment required
Quick Google sign-in. No separate registration form.