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WorksheetsREINFORCEMENT SET 3
Total questions: 10
Worksheet time: 5mins
In Mendel's first experiment, he crossed pure breed purple flower with a white flower. What were the F2 generation phenotypes?
All purple
All white
3 purple, 1 white
3 white, 1 purple
The progeny of F1 from a cross between a true breed dominant round seed pea plant with a wrinkled seed pea plant were self-pollinated. Predict the phenotypic ratio in F2 generation.
All seeds are round.
All seeds are wrinkled.
1 round : 1 wrinkled
3 round : 1 wrinkled
In Mendel experiment, the F2 phenotypic ratio of dihybrid self cross is
1:1
3:1
1:1:1:1
9:3:3:1
Which of the following is true about DNA polymerase III ?
It can synthesize mRNA in the 5’ to 3’ direction
It can synthesize mRNA in the 3’ to 5’ direction
It can synthesize DNA in the 5’ to 3’ direction
It can synthesize DNA in the 3’ to 5’ direction
Translation occurs in the ….
Nucleolus
Cytoplasm
Nucleus
Mitochondria
The amino acids for protein synthesis is activated by the enzyme_________
aminoacyl-mRNA synthetase
aminoacyl-tRNA synthetase
tRNA synthetase
RNA synthetase
The synthesis of polynucleotide chain of mRNA is catalyzed by the enzyme
RNA polymerase
DNA polymerase
RNA helicase
DNA helicase
Which statements explain the role of ribosome in protein synthesis?
I Ribosome forms charged tRNA.
II Ribosome contains protein and RNA.
III Ribosome acts as anticodon binding site.
IV Ribosome provides the site for the formation of peptide bonds.
I and II
I and IV
II and III
III and IV
mRNA production is known as…….
transcription
replication
DNA repair
translation
Which is the possible term used to describe the phenomenon when a red-flowered snapdragon is crossed with a white-flowered snapdragon plant producing a pink-flowered progeny?
Codominance
Incomplete dominance
Multiple alleles
Polygenes
