Everyday Science MCQs

5120 MCQs  (Page 235 of 512)

The first ever vascular plants are_________?
A. Cooksonia
B. Selaginella
C. Adiantum
D. Dryopteris
Dorsal root of spinal nerves contain only __________ ?
A. Effectors neurons
B. Receptor neurons
C. Stimulators
D. Detector neurons
Day and night are the results of__________?
A. Earth rotation around its axis
B. Earth revolution
C. Earth rotation accompanied with its revolution.
D. None of these
Almost identical eclipses occur after 18 years and 11 days. This cycle is known as__________?
A. Partial eclipse cycle
B. Total eclipse cycle
C. Saros cycle
D. None of the above
In which type of solar eclipse the Sun’s center is covered by the moon, leaving its edges uncovered?
A. Partial solar eclipse
B. Total solar eclipse
C. Annular solar eclipse
D. None of the above