Time Left:
600
sec
1. The phenotypic ratio in the F2 generation of a dihybrid cross is
A. 1:2:2:4:1:2:1:2:1
B. 9:3:3:1
C. 7:1:1:7
D. 12:3:4
2. Cytoplasmic inheritance is due to (1) Mitochondria (2) Cilia (3) Cytoplasmic particles (4) Cell wall
A. 1 and 2 are correct.
B. 1 and 3 are correct.
C. 1, 2 and 3 are correct.
D. 2 and 4 are correct.
3. A pure tall and a pure dwarf plant were crossed to produce offspring. Offspring were self-crossed. Find out the ratio between true breeding tall to true breeding dwarf.
A. 3:1
B. 1:1
C. 2:1
D. 1:2:1
4. The term ‘Genetics’ was proposed by
A. Johannsen
B. Morgan
C. Mendel
D. Bateson
5. Genes present in the cytoplasm of eukaryotic cells are found in
A. Golgi bodies and smooth endoplasmic reticulum
B. Mitochondria and inherited via egg cytoplasm
C. Plastids and inherited via male gamete
D. Lysosomes and peroxisomes
6. The gene which controls many characters is called
A. Pleiotropic gene
B. Co-dominant gene
C. Multiple gene
D. Polygene
7. Heterozygous purple flower is crossed with recessive white flower. The progeny has the ratio:
A. All purple
B. All white
C. 75% purple and 25% white
D. 50% purple and 50% white
8. Mating of an organism to a double recessive in order to determine whether it is homozygous or heterozygous for a character under consideration is called
A. Back cross
B. Dihybrid cross
C. Reciprocal cross
D. Test cross
9. Which of the following is not a Mendelian disorder?
A. Haemophilia
B. Turner's syndrome
C. Cystic fibrosis
D. Colour blindness
10. Which of the blood groups can be given to any person?
A. O
B. B
C. A
D. AB
Submit Test