Question

seeds. 2. Seeds that can be eaten are called 3. of the birds are hollow. roughफिल इन द ब्लैंक्स से दैट कैन बी ईटन आर कॉल्ड एस स्वीट ​

Answer 1

Answer:

Plants are classified into pteridophytes, bryophytes, gymnosperms and angiosperms. Pteridophytes and bryophytes are seedless plants. True stem, leaves and roots are absent in bryophytes. Examples include Marchantia, Riccia, Funaria. True stem, leaves and roots are present in pteridophytes. Examples include Pteridium, Selaginella, Lycopodium, Azolla. Angiosperms and gymnosperms are seed-bearing plants. Seeds in gymnosperms are naked and fruits are not formed. Examples of gymnosperms include Ephedra, Cycas, Pinus, Thuja. Angiosperms are fruit-bearing plants. The seeds are protected in them. Examples include Acer, Oryza, Brassica.

Hence, the correct answer is 'P - Riccia, Q - Azolla, R - Pinus, S - Brassica.'