index int64 35 757k | figure_path stringlengths 20 66 | image imagewidth (px) 7 1.89k | caption stringlengths 40 466 | question stringlengths 1 190 | choice_a stringlengths 4 170 | choice_b stringlengths 3 180 | choice_c stringlengths 5 217 | choice_d stringlengths 4 202 | answer stringclasses 4
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1,564,854 | PMC6588950_Fig4_497610.jpg | A descendant of cell 4d1 (red arrow) is traced and can be seen approaching and later departing from fourth quartet macromeres 4A-D before epiboly is completed . Time represents hours. | Which cell is represented by the red arrow? | A:4A-D | B:4d1 | C:Epiboly | D:None of the above | B | train | |
1,564,868 | PMC6588950_Fig4_497617.jpg | A descendant of cell 4d1 (red arrow) is traced and can be seen approaching and later departing from fourth quartet macromeres 4A-D before epiboly is completed . Time represents hours. | What does the red arrow indicate in the image? | A:A cell that is approaching quartet macromeres 4A-D | B:A cell that is departing from quartet macromeres 4A-D | C:A cell that is dividing | D:A cell that is dying | A | train | |
1,564,877 | PMC6588950_Fig5_497634.jpg | At the four-cell stage the largest blastomere is always one of the vegetal cross-furrow cells and is interpreted as the D blastomere . c′–f′ All volume measurements come from five-angle 3D multiview reconstructions and have been orientated with a view from their vegetal side. | From which view have the volume measurements been orientated? | A: from their dorsal side | B: from their ventral side | C: from their animal side | D: from their vegetal side | D | train |