List of top Questions asked in GRADUATE APTITUDE TEST-BIOTECHNOLOGY

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?
\( 9.6 \times 3.6 \div 7.2 + 10.8 { of } \frac{1}{18} - \frac{1}{10} = ? \)
The equation \( x^2 + ax + 1 = 0 \) has no real roots. Which one of the following is correct?
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:
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:
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?
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 \( \mathbf{B} \)?
Which of the following is a method to conduct phylogeny of protein and DNA sequences?
Which one of the following is derived from the ectoderm?
At G2/M checkpoint the cell cycle will arrest if
Choose the option that correctly matches for an immunosuppressant and its origin
A polymerase chain reaction yields 1.2 billion copies of DNA in 30 cycles. How many cycles would be needed to obtain 300 million copies?
The biocide DDT (a chlorinated hydrocarbon) has a half-life of around
Which of the following techniques is commonly used to identify protein-protein interaction?
Which one of the following waste treatment system is devoid of any packing material, and it recycles internal biomass based on gravity?
Which one of the following is NOT an auxin?