#Question id: 5414
#General Aptitude
If a, b, c, d and e are five consecutive odd numbers, the average is
#Question id: 4955
#Unit 11. Evolution and Behavior
If relatively small carbonaceous chondrites from space were a significant source of Earthʹs original amino acids, then which two of these would have been most important in permitting their organic materials to survive impact with Earth?
I. Carbonaceous chondrites must contain no D-amino acids.
II. Earthʹs early atmosphere must have had little free oxygen.
III. The chondrites must have arrived on Earth before 4.2 billion years ago.
IV. Earthʹs early atmosphere must have been dense enough to dramatically slow the chondrites before they impacted.
V. The chondrites must have impacted land, rather than a large body of water.
#Question id: 10793
#Unit 6. System Physiology – Plant
Hydroxyl groups (−OH), and methoxy groups(−OCH3) modification provides colour variations in case of
#Question id: 19193
#Unit 13. Methods in Biology
#Question id: 31138
#Unit 2. Cellular Organization