1. If
plant with genotype AaBb is self-pollinated where the A and b are not linked,
then the probability of getting AABB will be
a)
1/4
b)
1/8
c)
1/16
d)
1/2
2. During gamete
formation alleles which do not undergo recombination segregates during
a)
Meisosis-I
b)
Meiosis-II
c)
Mitosis
d)
Cleavage
3. Two different mutant
of drosophila gives a black body color. When these mutants are crossed all progeny
have wild type color. It means mutations are
a)
Co-dominant
b)
Allelic
c)
Non allelic
d)
Epistatic
4. Polygenic traits in
crops can be identified by
a)
QTL mapping
b)
Cluster analysis
c)
Tandem array analysis
d)
Gene mapping
5.
A Neurospora
Stp strain have start and stop growth behavior. The mutated gene was found to
be on mitochondria. If male Neurospora
having stp mutation is crossed with wild type female Neurospora. Phenotype of progenies will be
a)
All start and stop mutant
b)
All wild type
c)
Majority of start and stop mutant
d)
Majority of wild type
6. Under which
condition recombination between genes will occur during conjugation
a)
F+ x F-
b)
F+ x Hfr-
c)
F- x Ffr-
d)
F- x F-
7. Inversion is leads
to crossover suppression because
a)
When crossing over occur within an
inversion loop, leads to deleted and duplicated crossover chromosomes and
inviability of zygote carrying them
b)
No crossing over in the crossing over
loop
c)
Crossing over leads to formation of all
acentric chromosomes
d)
Segregation of chromosomes is not normal
8. Which of the
following is not a co-dominant marker?
a)
RAPD
b)
RFLP
c)
SNP
d)
SMPLs
9. To determine
variation in wing length of butterfly from five different places which would be
best statistical test?
a)
Chi-square
b)
Student t-test
c)
F-test
d)
Regression analysis
10. In Sickle cell
anemia the RBC are sickle celled due to
a)
Change in shape of hemoglobin in oxygen
unbound form
b)
Change in shape of hemoglobin in oxygen bound
form
c)
Loss of spectrin cytoskeleton protein
d)
Due to loss of ATP synthesis
Answer:
1-c, 2-a, 3-c, 4-a, 5-d, 6-c, 7-a, 8-a, 9-c, 10-1
