Question

Edible part of paddy is
A. Endosperm
B. Cotyledon
C. Fruit
D. Endosperm and embryo

Answer 1

Hint:The paddy produces dry fruit called caryopses that is fused with the seed. Most of the cereal grains except buckwheat have caryopses.

Complete answer:
Plants are multicellular eukaryotes with cell walls. They are autotrophs and use chlorophyll for photosynthesis. Plants have been differentiated on the basis of their body structure, presence of differentiated tissues, ability to bear seeds and whether the seeds are enclosed by fruits.

In the given options,
>Pteridophytes are plants with well differentiated roots, stem and leaf and have specialised tissue for the conduction of water and other substances from one part of the plant body to another. They do not bear flowers or seeds.
>The plants with well differentiated reproductive tissues that ultimately produce seeds are called phanerogams. Seeds are produced by the process of reproduction. They have an embryo inside that grows into a new plant when the seeds germinate.This group is further categorised, depending on whether the seeds are bare or covered by fruit, into two groups: gymnosperms and angiosperms.
>Algae are groups of photosynthetic plants that do not have a well differentiated body. They are mostly aquatic.
>The bryophyte plant body is generally differentiated to form stem and leaf-like structures. They lack vascular tissues.

Thus, the correct answer is option D i.e., Angiosperms and gymnosperms.

Note: The rice plant has round and hollow stems, flat leaves, and panicles at the top of the plant. Rice is a highly adaptable plant that grows well under both flooded and rain fed conditions.The rice grain is made up of an external protective covering called hull, and the rice caryopsis or fruit.