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SPEEDY Railway Book (English)

Biology Notes - Top 25 Important Key Points

Biology Notes - Top 25 Important Key Points

Biology Notes - Top 25 Important Key Points

Important Points
Example and its details
Largest angiosperm tree
Pepaver somniferum morphin contains in it.
The smallest cell
Mycoplasma gallisepticum.
Largest male couplet
Cycas. This is a gymnosperm plant.
Number of Chromosomes
Chromosomes in its Diploid cell.

Largest seed
Lodoicea. This is alos called double coconut. This is found in Kerala in India.
Smallest flower
Wolfia. Its diameter is 0.1 millimeter.
Coco giving plant
Theobroma cococa. Theobromin and caffeine. Contain in it.
Fire of the forest
Smallest chromosomes
In algae.
The plant with the largest
Ophioglossum (Fern). There are 1266
The heaviest wooden plant
Hardwichia binata.
Coffee giving plant
Coffea Arabica. Caffin contains in it.
Smallest Pteridophyta
Azolla. This is an aquatic plant.
Largest Flower
Reflesia arnoldii. Its diameter is  1 meter and its weight can be 8 kilograme.
The plant with the least number of chromosomes
Heplapapopus gracilis.
The smallest gymnosperm plant
Zamia pygmea.
Longest free in the world
Sequoia giganteum. This is a gymnosperm. Its height is 120 meter. This is also called Coast Red Wood of California.
Smallest seed
Largest seed-egg
Longest chromosomes
In Trillium.
The lightest wooden plant
Ochroma lagopus-balsa
Fruit like a tennis ball
Smallest angiosperm
Arceuthobium. Is a parasite on the stems of gymnosperms.
Smallest (in shape) angiosperm plant
Lemna. This is aquate angionsperm which is found in India too.
Plant with largest leaf
Victoria Regia. This is an aquatic plant which is found in West Bengal in India.
Alive morph

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