资讯

During photosynthesis a plant absorbs light energy using the pigment chlorophyll ... The leaf on the left is a variegated leaf. The green parts contain chlorophyll and photosynthesise to make ...
THANJAVUR: Four months after the publication of applications in the Geographical Indications (GI) journal, the Kumbakonam vetrilai (betel leaf) and Thovalai maa ...