Seed habit is an important step in evolution. It is due to

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

Heterogamy

Heterospory

Homospory

Homogamy

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

Concept: In vascular plants, seed habit is an evolutionary process. A seed was created as a result of the naked megasporangium being covered by a vascular integument. It is the most sophisticated and effective approach to sexual reproduction.
Heterospory is the process through which sporophytes of land plants produce two distinct types of spores. Different spore sizes are produced. While the smaller one is referred to as a microspore and is male, the larger one is known as a megaspore and is female. After that, these spores transform into male and female gametophytes. The pteridophytes frequently have them. Given that it results in the formation of seeds, it is the most significant evolutionary step in the plant.
Hence, the correct answer is option 2.

Watch 3-min video & get full concept clarity