List of practice Questions

Match the items in List I with items in List II


 

In case of prokaryotes, the start codon is usually preceded by a sequence complementary to the
Herpes simplex virus maintains latency in

Given below are two statements – one is labelled as Assertion (A) and the other is labelled as Reason (R): 
Assertion (A): Human adeno-associated virus is used to deliver single-stranded DNA as a vaccine that does not require multiple booster doses.
Reason (R): Such vaccines are generally administered along with an adenovirus or a herpesvirus to avoid multiple booster doses. 
In light of the above statements, choose the most appropriate answer from the options given below:

Match the items in List I with items in List II


 

A mixture of proteins (A, B, C and D) is separated on a Sephadex G-200 column. The proteins elute in the order of A, B, C and D. Assuming that all proteins are globular and monomeric, the protein with minimum electrophoretic mobility on SDS-PAGE will be

Francis & Crick proposed the scheme called Central Dogma in 1958. Which of the following processes was NOT covered in this scheme?

Rancidity in spoiled foods is mainly due to

Given below are two statement - one is labelled as Assertion A and the other is labelled as Reason R: 
Assertion A: Bacterial lipopolysaccharide (LPS) on its own does not induce memory B-cell in humans.
Reason R: LPS does not activate T-cell.
In light of the above statements, choose the most appropriate answer from the options given below:

A suicide plasmid vector lacks the following
In N-linked glycoproteins, carbohydrate moiety is attached to which of the following amino acids?
Which one of the following statements is correct about various microbial culture media?
Which of the following options correctly match the name of gene and its function in cloning vector pBR322?

Match the items in List I with items in List II.
Choose the correct answer from the options given below:

The principle driving force behind movement of water in plants is known as
Many enzymes catalyze both forward and reverse reactions. Which one of the following statement is NOT correct?
Respiratory pathway is considered as a ________ pathway
Bacillus thuringiensis CryA controls certain caterpillar pests by
Which one of the following modifications is NOT a natural N-terminal modification of proteins?
\( 9.6 \times 3.6 \div 7.2 + 10.8 { of } \frac{1}{18} - \frac{1}{10} = ? \)
A train passes a standing man in 6 seconds and 210 m long platform in 16 seconds. The length and speed of the train, respectively, is:
The equation \( x^2 + ax + 1 = 0 \) has no real roots. Which one of the following is correct?
For \( x>0 \), if the variable takes discrete values \( x+4, x+3.5, x+2.5, x-3, x-2, x+0.5, x-0.5, x+5 \), then the value of median is:
The cross product of vector \( \vec{A} \) and vector \( \vec{B} \) has a magnitude of 50 units, where vector \( \vec{A} \) has a magnitude of 10. The angle between vector \( \vec{A} \) and \( \vec{B} \) is 60 degrees. What is the magnitude of vector \( \mathbf{B} \)?
A bullet of mass 20 g, moving at 50 m/s penetrates 20 cm into a wooden block. What is the magnitude of the force exerted on the wooden block?