Biology – Gene: Its Nature, Expression and Regulation TEST (MCQ Maharashtra HSC Board)
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#1. Which of the following is responsible for expression of trait ____
#2. Entry of lactose in cell is influenced by ____
#3. Lac-operon is related with ____
#4. Which if the following is the smallest RNA _____
#5. Which of the following is a stop codon _____
#6. Unwinding of DNA strands is done by which enzyme ______
#7. In which of the following stage, does synthesis of polypeptide take place_____
#8. The bonds joining two successive nucleotides of DNA strand are called ____
#9. On which strand of DNA, mRNA is constructed _____
#10. Which of the following is a pyrimidine base _____
#11. Name the bacteria which were used for by Griffith for his experiments _________
#12. A thin and long nucleosomes fiber is called ____ fiber
#13. Which of the following is transcriptionally active protein ___
#14. What is the replication of DNA in prokaryotic cells called _____
#15. In prokaryotes _____ DNA is present
#16. The phosphate group is joined with ____ carbon of the sugar by phosphor-diester bond
#17. The difference between nucleotide and nucleoside is that ____
#18. Which of the following techniques was used by Wilkins and Franklin for the study of DNA structure _______
#19. The change in the virulence of diplococcus is called _____
#20. Capsulated strains of bacteria are ____
