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 values
split
stringclasses
1 value
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