NTA Abhyas NEET2020BotanyPlant KingdomPractice
Which of the following statements about Cycas and Pinus is correct?
Options
- AThe stem in Cycas is branched while it is unbranched in Pinus . The male and female strobili are present on th
- BThe stem in Cycas is unbranched while it is branched in Pinus . The male and female strobili are present on th
- CThe stem in Cycas is branched while it is unbranched in Pinus . The male and female strobili are present on th
- DThe stem in Cycas is unbranched while it is branched in Pinus . The male and female strobili are present on th
Correct answer
B. The stem in Cycas is unbranched while it is branched in Pinus . The male and female strobili are present on th
Step-by-step solution
The main points of difference between Cycas and Pinus : The stem is Cycas is unbranched, while it is branched in Pinus . Cycas shows coralloid roots with the symbiotic association with cyanobacterium Anabaena , while the roots of Pinus form mycorrhiza, which is a fungal association. The male and female strobili are present on the same plant in Pinus (monoecious), while they are present in different plants in Cycas (dioecious).