List of practice Questions

Ethylene diaminetetraacetate (EDTA) ion is

The centriole undergoes duplication during

The correct sequence of bond enthalpy of ‘C–X’ bond is

Succus entericus is referred to as

The reagent ‘R’ in the given sequence of chemical reaction is

With regard to insulin choose correct options. 
(a) C-peptide is not present in mature insulin. 
(b) The insulin produced by rDNA technology has C-peptide. 
(c) The pro-insulin has C-peptide. 
(d) A-peptide and B-peptide of insulin are interconnected by disulphide bridges.
Choose the correct answer from the options given below.

The intermediate compound ‘X’ in the following chemical reaction is

If Adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it ?

Match List - I with List - II.

List - I

List - II

(a)[Fe(CN)6]3−(i)5.92 BM
(b)[Fe(H2O)6]3+(ii)0 BM
(c)[Fe(CN)6]4−(iii)4.90 BM
(d)[Fe(H2O)6]2+(iv)1.73 BM

Choose the correct answer from the options given below.

The organelles that are included in the endomembrane system are

The molar conductivity of 0.007 M acetic acid is 20 S cm2 mol−1. What is the dissociation constant of acetic acid? Choose the correct option. 

Sphincter of odd is present at

In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it

Receptors for sperm binding in mammals are present on
Which is the “Only enzyme” that has “Capability” to catalyse Initiation, Elongation and Termination in the process of transcription in prokaryotes
Match List - I with List - II.
                 List-I         List-II
(a)Aspergillus niger(i)Acetic Acid
(b)Acetobacter aceti(ii)Lactic Acid
(c)Clostridium butylicum(iii)Citric Acid
(d)Lactobacillus(iv)Butyric Acid 
 Choose the correct answer from the options given below.
 
The total capacity of the system of capacitors shown in the adjoining figure between the points A and B is
Total capacity of the system of capacitors
Which of the following is not an objective of Biofortification in crops ?
Dobson units are used to measure thickness of

From the following pairs of ions which one is not an iso-electronic pair?

Erythropoietin hormone which stimulates R.B.C. formation is produced by

Consider the above reaction and identify the missing reagent/chemical.

 

Match List - I with List - II.
List-I
List-II
(a)Vaults(i)Entry of sperm through Cervix is blocked
(b)IUDs(ii)Removal of Vas deferens 
(c)Vasectomy(iii)Phagocytosis of sperms within the Uterus
(d)Tubectomy(iv)Removal of fallopian tube
Choose the correct answer from the options given below.

The slope of Arrhenius Plot (ln k v/s \(\frac{1}{T}\)) of first order reaction is −5×103 K. The value of Ea of the reaction is. Choose the correct option for your answer. [Given R=8.314 JK−1mol−1 ]

The dihedral angle of the least stable conformer of ethane is