Biology 1st Paper CQ-Sylhet Board-2019
1. Dr. 'X' produced unlimited plantlet in the laboratory without any seeds of ' ' plant and . ' ' produced a new variety by adding -carotene and gene in ' 'plant.
2. Sample-A : Filamentous, Girdle shaped chloroplast, unbranced.
Sample-B : Umbrella shape body, some species are edible.
3. Mr. ' ' has bought two packets, rich in ' ' and ' ' chemical materials from a scientific store. Objects found in ' ' and ' ' packets are 6-carbon oriented aldose and ketose respectively. Although the objects are isomer, first one is formed through the process of photosynthesis and the second one does not form directly.
5. Students from a college in Rajshahi region went to a forest for an education tour and observing the decrease of its biodiversity they were frustrated. Teacher said we need to protect this biodiversity for us and our future generations.