Genetics
MM: 30 Time: _ hours
Section A
Q.1 Attempt all the following parts:
Multiple Choice Questions (40x1=40)
1. Mendel’s work was re-discovered by :
a) Karl Correns b) Hugo de Vries
c) Erich Von Tschermak d) all the above
2. The term alleles for contrasting genes was
coined by :
a) Johannsen b) Bateson
c) Mendel d) Morgan
3. A F1 offspring is crossed with recessive parent is :
a) back b) reciprocal cross
c) polyhybrid cross d) test cross
4. ABO blood group is an example of :
a) pleiotropy b) incomplete dominance
c) autosomal codominance d) qualitative inheritance
5. Who is considered as ‘father of experimental genetics’ :
a) Morgan b) Mendel
c) de Vries d) Darwin
6. The number of chromosomes in fruit fly is :
a) 14 b) 12
c) 8 d) 4
, 7. Mutations which involve the entire sets of chromosomes are :
a) aneuploidy b) euploidy
d) translocation d) aberrations
8. Mutations were first artificially induced by :
a) de Vries b) Morgan
c) Mendel d) Muller
9. Mutations may be induced by :
a) temperature rise b) chemical substances
c) radiations d) all the above
10. One gene-one enzyme hypothesis was given by :
a) Sutton and Boveri
b) Beadle and Tatum
c) Seymour Benzer
d) Hershey and Chase
11. DNA was first isolated from pus cells by :
a) F. Miescher b) Altmann
c) F. Griffith d) Avery, MacLeod & McCarty
12. RNA as a genetic material was first demonstrated
in TMV by :
a) Conrat and Singer b) Hershey and Chase
c) F. Griffith d) F. Miescher
13. Chemical analysis of DNA follows :
a) Watson and Crick Model b) Rosalind Franklin X-ray diffraction
c) Morgan’s Linkage d) Sutton and Boveri
14. The most stable DNA is the variant :
a) A b) B