Biology GK Questions Quiz-59

1161.Lungs of a plant are (1) Leaves  (2) Stems (3) Flowers  (4) Roots Answer: 1161.(1) Leaves are the lungs of plants. Much like the lungs of animals, leaves are the place of a plant's respiration. It is from leaves that oxygen is emitted during the light hours of the day and carbonic acid gas at night. 1162.Sporangia bearing leaf of a fern is called (1) Ramentum  (2) Indusium (3) Sorus  (4) Sporophyll Answer: 1162.(3) The Sporangia are the reproductive structures of the ferns and fern allies. They are miniature sacks or capsules that produce the dust-like spores that are the “seeds” by which ferns are propagated. Several sporangia grouped together are called a Sorus. 1163.‘Coralloid root’ of Cycas helps in (1) Absorption of water (2) Absorption of water and fixation of Nitrogen (3) Anchorage (4) Transport of food Answer: 1163.(2) Branch roots are of two kinds: long-branching geotropic roots and short-branching apogeotropic roots, which are referred to as coralloid because of their irregular, beady app…