Plant Biology - Classification
Plant Biology
Classification:
Plant - a living organism - is immobile and having autotrophic mode of nutrition. The first level of classification among plants depends on whether the plant body has well differentiated, distinct components. The next level of classification is based on whether the differentiated plant body has special tissues for the transport of water and other substances within it. Further classification is based on the ability to bear seeds and whether the seeds are enclosed within fruits.
Self study:
Example-1: Plants with well differentiated reproductive tissues that make seeds are called ……………
a) Cryptogamae
b) Phanerogams
c) Porifera
d) Coelenterata
Answer: Plant that makes seeds are called Phanerogams.
Example-2: A plant with seeds having a single cotyledon is called …………
a) Monocots
b) Dicots
c) Tricots
d) None
Answer: Plants with single cotyledon is called monocots.
Example-3: Match the following.
| A |
B |
| Gymnosperms |
Organs with spores |
| Angiosperms |
No root, no stem and no leaves |
| Pteridophyta |
Seeds with cover |
| Thallophyta |
Seeds without cover |
Answer:
| A |
B |
| Gymnosperms |
Seeds without cover |
| Angiosperms |
Seeds with cover |
| Pteridophyta |
Organs with spores |
| Thallophyta |
No root, no stem and no leaves |