History of Life on Earth Multiple Choice Questions (MCQ) PDF - 64

MCQ 316: For which of the following canine teeth are used?

1. grinding
2. tearing
3. crushing
4. piercing

MCQ 317: Chloroplasts have been hypothesized to be driven from which of the following bacteria?

1. spirochetes
2. cyanobacteria
3. treponema pallidum
4. salmonella

MCQ 318: How big is the Mimivirus?

1. 10nm
2. 100nm
3. 400nm
4. 20nm

MCQ 319: Why was the purine-purine bonding theory not consistent with X-Ray diffraction data?

1. it was too wide
2. it was too narrow
3. purines cannot bond together
4. it would tilt sideways

MCQ 320: In which of the following, Polyploidy is common?

1. humans
2. plants
3. fungi
4. animals