EVERYDAY SCIENCE

Detailed explanation-1: -Thallophyte includes algae, fungi, etc. The Bryophytes include liverworts, hornworts and mosses. Pteridophytes include ferns and their allies.

Detailed explanation-2: -The best-known groups of cryptogams are algae, lichens, mosses, and ferns, but it also includes non-photosynthetic organisms traditionally classified as plants, such as fungi, slime molds, and bacteria.

Detailed explanation-3: -Thallophytes, bryophytes and, pteridophytes are included in ‘cryptogams’, whereas gymnosperms and angiosperms are ‘phanerogams’.

Detailed explanation-4: -The word ‘crypto’ means ‘hidden’, cryptogams are the plants in which the reproductive organs are inconspicuous So, thallophytes, bryophytes, and pteridophytes are cryptogams as their reproductive organs are not clearly visible or distinct.

Detailed explanation-5: -Cryptogams encompass fungi, algae and plants without seeds, including ferns and bryophtyes (mosses, liverworts, and hornworts).