Genetics AFCAT Questions

AFCAT Biology

Genetics MCQ Questions


1.
Who is known as the 'Father of Genetics'?
A.
Charles Darwin
B.
Gregor Johann Mendel
C.
Thomas Hunt Morgan
D.
Hugo de Vries
😑 View Answer Rough Work Error
ANSWER :
B. Gregor Johann Mendel
2.
Mendel performed his classical experiments on which plant?
A.
Mirabilis jalapa
B.
Drosophila melanogaster
C.
Pisum sativum (Garden Pea)
D.
Zea mays (Maize)
😑 View Answer Rough Work Error
ANSWER :
C. Pisum sativum (Garden Pea)
3.
How many pairs of contrasting characters did Mendel study in garden pea?
A.
Five
B.
Nine
C.
Seven
D.
Three
😑 View Answer Rough Work Error
ANSWER :
C. Seven
4.
Mendel's work was rediscovered in 1900 by three scientists. Which one of the following was NOT among them?
A.
Hugo de Vries
B.
Carl Correns
C.
Erich von Tschermak
D.
Thomas Hunt Morgan
😑 View Answer Rough Work Error
ANSWER :
D. Thomas Hunt Morgan
5.
What is the phenotypic ratio obtained in the F2 generation of a typical Mendelian monohybrid cross?
A.
1 : 2 : 1
B.
9 : 3 : 3 : 1
C.
3 : 1
D.
1 : 1
😑 View Answer Rough Work Error
ANSWER :
C. 3 : 1
6.
The genotypic ratio of a monohybrid cross (Tt × Tt) in F2 generation is:
A.
3 : 1
B.
9 : 3 : 3 : 1
C.
1 : 1 : 1 : 1
D.
1 : 2 : 1
😑 View Answer Rough Work Error
ANSWER :
D. 1 : 2 : 1