Questions
1
The utilization of elements and compounds in nature generation theory because
Answer:material cycles
2
What is ethnobotany ?
Answer: Relationship between primitive plants and people
4
Who performed this famous experiment to prove origin of life ?
Answer:Urey and Miller
6
What was the resultant found in place marked E ?
Answer:Some amino acids as glycine and alanine
7
A. The first molecules formed for replicating cells were most probably RNA.
R. This was proved by origin of ribozyme in 1987 by T. Cech in Tetrahymena.
R. This was proved by origin of ribozyme in 1987 by T. Cech in Tetrahymena.
Answer: If A and R both are true and R is correct explanation of A
8
A. The first molecules formed for replicating cells were most probably RNA.
R. This was proved by origin of ribozyme in 1987 by T. Cech in Tetrahymena.
R. This was proved by origin of ribozyme in 1987 by T. Cech in Tetrahymena.
Answer:If A and R both are true and R is correct explanation of A
10
Which one of the following is present today but was absent about 3.5 billion years ago?
Answer:Oxygen
11
Coacervates were experimentally produced by .............
Answer:Urey and Miller
14
Evolutionary convergence is characterised by
Answer: replacement of common characteristics in different groups
15
Parallelism is
Answer: adaptive convergence of closely related groups dinosaurs
17
Vermiform appendix in man, nictitating membrane and wisdom teeth are
Answer:vestigial organs
18
Which one of the following terms would most correctly describe the relationship between the flight organs of animals like locust, bat, swallow, and flying fish ?
Answer: Analogous
20
A living connecting link which provides evidence for organic evolution is
Answer: Duck billed platypus between reptiles and mammals
