Chapter 5: Molecular Genetics - Online Test
Q1. Meselson and Stahl’s experiment proved
Answer : Option D
Explaination / Solution:
No Explaination.
Q2. An operon is a:
Answer : Option C
Explaination / Solution:
No Explaination.
Q3. When lactose is present in the culture medium:
Answer : Option D
Explaination / Solution:
No Explaination.
Q4. The association of histone H1 with a nucleosome indicates
Answer : Option C
Explaination / Solution:
No Explaination.
Q5. Which of the following is not required for any of the techniques of DNA fingerprinting available at present?
Answer : Option A
Explaination / Solution:
No Explaination.
Q6. Satellite DNA is important because it
Answer : Option B
Explaination / Solution:
No Explaination.
Q7.
The diagram shows an
important concept in the genetic implication of DNA. Fill in the blanks A to C.
DNA ---A-→mRNA
---B------→protein -proposed by--C-
Answer : Option C
Explaination / Solution:
No Explaination.
Q8.
Select the two
statements out of the four (I –IV) given below about lac operon.
i. Glucose or galactose
may bind with the repressor and inactive it.
ii. In the absence of
lactose, the repressor binds with the operator region
iii. The z-gene codes for
permease.
iv. This was elucidated
by Francois Jacob and Jacques monod.
Answer : Option C
Explaination / Solution:
No Explaination.
Q9. Which one of the following pairs of codons is correctly matched with their function or the single for the particular amino acid?
Answer : Option B
Explaination / Solution:
No Explaination.
Q10. The Okazaki fragments in DNA chain growth
Answer : Option A
Explaination / Solution:
No Explaination.
