NEET BIOLOGY

Detailed explanation-1: -The two groups of seed-bearing plants are the gymnosperms (cycads, ginkgo, pines and other conifers, and gnetophytes) and the angiosperms (flowering plants).

Detailed explanation-2: -Comprising 65 genera and 720 species, the gymnosperms are divided into four extant divisions, Coniferophyta (the conifers), Cycadophyta (the cycads), Ginkgophyta (the ginkgoes), Gnetophyta (the gnetophytes) and two extinct divisions, Pteridospermophyta and Cycadeoidophyta.

Detailed explanation-3: -Angiosperms and gymnosperms are the two major groups of vascular seed plants. Angiosperms, which are flowering plants, are the largest and most diverse group within the kingdom Plantae. With around 300, 000 species, they represent approximately 80 percent of all the known green plants now living.

Detailed explanation-4: -The correct answer is (d) xylem and phloem.

Detailed explanation-5: -The ferns, gymnosperms, and flowering plants are all vascular plants. Because they possess vascular tissues, these plants have true stems, leaves, and roots.