MEDIUM
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Where did the sepoys first refuse to use the greased cartridges, sparking the 1857 revolt?

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Important Questions on Rebels and the Raj

EASY
Which of the following is required as inducer(s) for the expression of Lac operon?
EASY
Which of the following enzymes is not produced by E.coli during lactose catabolism?
EASY
Which of the following processes is responsible for the digestion of fats in the intestines?
EASY
Identify the correct arrangement of different genes in Lac operon from the following.
EASY
In which emulsion coloured droplets are obtained when oil soluble dye is added to it?
EASY

Given the diagram of the lac operon showing an operon of inducible enzymes. Identify components and enzymes (A,B,C,D and E) ?

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EASY
The term ''linkage'' was coined by:
EASY
Expression of gene regulation results in:
MEDIUM
When does the lac-operon in E. coli become "switched on"?
MEDIUM
Match the following genes of the Lac operon with their respective products:
  Column-I     Column-II
a  i gene  i ß-galactosidase
b z gene ii Permease
c a gene iii Repressor
d  y gene iv  Transacetylase

Select the correct option.
MEDIUM

Given below are two statements:

Statement I : Emulsions of oil in water are unstable and sometimes they separate into two layers on standing.

Statement II : For stabilisation of an emulsion, excess of electrolyte is added.

In the light of the above statements, choose the most appropriate answer from the options given below :

MEDIUM
All of the following are part of an operon except
HARD
In a testcross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates:
EASY
Chromosomal theory of inheritance was proposed by:
EASY
Experimental verification of the chromosomal theory of inheritance was done by
EASY
In operon the segments of DNA which carry codes for the synthesis of proteins are known as
EASY
When Escherichia coli cells are cultured in a medium where Lactose is absent, the 'i' gene of Lac Operon continues to produce repressor mRNA, because it is
HARD
Gene regulation governing lactose operon of E. coli that involves the lac I gene product is: