Origin & Evolution
MM: 40 Time: _ hours
Section A
Q.1 Attempt all the following parts:
Multiple Choice Questions (40x1=40)
1. Name the Theory not related with Origin of Life :
a) Stanley Miller b) A. I. Oparin
c) J.B.S Haldane d) Malthus
2. According to Abiogenesis, life originated from :
a) non-living matter b) pre-existing life
c) oxygen d) extra-terrestrial matter
3. In his laboratory apparatus, Stanley Miller synthesized :
a) proteins b) DNA
c) amino acids d) protobionts
4.The first person to propose organic molecules origin from
chemical evolution was :
a) Stanley Miller b) Thomas Cech
c) Aleksander Oparin d) Sydney Fox
5. Which of the following did Miller experiment place forth to
show origin of organic molecules from inorganic molecules:
a) primitive gases b) microspheres
c) purines & pyrimidines d) all of these
6. Which of the following gases was probably the least
abundant in the early atmosphere :
, a)hydrogen b)oxygen c)ammonia d)methane
7. Formation of microspheres, liposomes and coacervates require:
a) RNA b) membrane potential
c) self-assembly d) phospholipids
8. With the origin of aerobic phototrophs the
atmosphere of the earth became :
a) oxidizing b) reducing
c) devoid of nitrogen d) devoid of carbon dioxide
9. The largest unit in which gene flow is possible is a :
a) organism b) population
c) genus d) species
10. Which of the following is not an important element
Of Darwin’s theory of evolution :
a) Inheritance of acquired characters
b) All organisms arose from a common ancestor
c) Presence of variations within a population
d) Natural selection
11. Which one is true with Bison betularia, a moth in
England during late 19th century :
a) black moth caused pollution from burning coal
b) black moth covered with soot from coal burning factories
c) these moths were killed by the fungus Phytophthora
d) resultant mutations caused the black moth
12. The wings of a bird and fore limbs of a horse are :
a) analogous structures b) homologous structures
c) phylogenetic structures d) vestigial structures