Entry Test MCQ :: Variation and Genetics

1.  In which of the following cases, genotypic and phenotypic ratio will remain same in F2 generation
A. Law of independent assortment B. Law of Segregation
C. Test cross D. Incomplete dominance.

2.  A pure breeding tall pea plant was crossed to dwarf plant what will be the frequency of dwarf plants in F1
A. 0.25 B. 0.5
C. 0.75 D. 0

3.  In question number 2 what will be frequency of dwarf plant in F2
A. 0.25 B. 0.5
C. 0.75 D. 0

4.  How many pairs of homologous chromosomes are present in Pisum sativum
A. Five pairs B. Six pairs
C. Seven pairs D. Eight pairs.

5.  Which of the following characters of pea plant is dominant?
A. Axial flowers B. Yellow pods
C. White flowers D. Wrinkled seeds

6.  A pea plant with yellow seed was crossed to a plant having green seeds. What will happen in F1; if plants are true breeding
A. All seeds will be yellow B. Half of seeds will be yellow
C. All the seeds will be green D. Both will be present in ratio of 1:2:1

7.  The position of a gene on chromosome is called
A. Habitat B. Position
C. Locus D. Location

8.  Filial is a Latin word. It means
A. Spring B. Issue
C. Progeny D. Descendent

9.  Which of the following condition is hybrid
A. TT B. Tt
C. tt D. All of these

10.  Which of the following is monohybrid cross
A. TT x tt B. TTYy x Ttyy
C. Both of these D. None of these

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