- Important Question Answer class 11 plant Kingdom
Q.1) Which groups are included under kingdom Plantae?
Ans. The five major groups included under kingdom Plantae are: Algae, Bryophytes, Pteridophytes, Gymnosperms and Angiosperms.
Q.2) What is cytotaxonomy?
Ans. Taxonomists employ cytotaxonomy, which is based on cytological information such as chromosome number, structure, and behavior, and chemotaxonomy, which analyses the chemical constituents of the plant to resolve taxonomical problems.
Q.3) Define: Numerical taxonomy
Ans. Computer-assisted numerical taxonomy is based on all observable attributes. All of the characters are given numbers and codes, and the data is subsequently processed so hundreds of characters can be considered at the same time
Q.4) What is pollination?
Ans. The process in which pollen grains are dispersed from the anthers and carried to the stigma of a pistil by wind or any other agencies is called as Pollination.
Q.5) State the 3 class of algae.
Ans. the three classes of algae are as follows Chlorophyceae, Phaeophyceae and Rhodophyceae.
Q.6) What is pigment is present in family Rhodophyceae?
Ans. Rhodophyceae members are frequently referred to as red algae because of the preponderance of the red pigment r-phycoerythrin in their bodies.
Q.7) State the 4 groups ofpteridophytes with examples.
Ans. Pteridophytes are divided into four groups: Psilopsida (Psilotum), Lycopsida (Selaginella, Lycopodium), Sphenopsida (Equisetum), and Pteropsida (Equisetum) (Dryopteris, Pteris, Adiantum).
Q.8) What is the difference between homosporous and heterosporous plants?
Ans. in homosporous plants only one kind of spores are produced where as in heterosporous two different haploid spores are produced.
Q.9) how does asexual reproduction take place in algae?
Ans. Asexual reproduction in algae takes place with help of flagellated zoospores produced in zoosporangia
No comments:
Post a Comment