List of top Questions asked in GRADUATE APTITUDE TEST-BIOTECHNOLOGY

Number of squares in a chess-board is equal to:
Number of natural numbers that can be formed using digits 1, 2, 3, 4, 5, 6, 7 each exactly once so that digits 3, 4 and 5 are always in the middle is equal to:
Maximum distance between any two points inside or on a cube of side 1 cm is equal to:
The traffic lights at three different road crossings change after every 48 s, 72 s, and 108 s, respectively. If they all change simultaneously at 8:20:00 h, when will they change again simultaneously?
There are 30 boys and 60 girls in a class. If the average age of boys is 12 years and the average age of girls is 10 years, what is the average age of the whole class?
The acute angle between hour and minute hands of a wall clock when the time shown by it is 02:15 is equal to:
In an election contested by two candidates, one candidate got 30% of total votes and lost by 500 votes. The total number of votes polled is:
The diagonals of a rhombus are 16 cm and 12 cm. The side of the rhombus would be:
An equilateral triangle of side 6 cm has its corners cut-off to form a regular hexagon. The area of the regular hexagon is:
The sum of four consecutive even numbers is 107 more than the sum of three consecutive odd numbers. If the sum of the smallest odd number and the smallest even number is 55, then what is the smallest even number?
The salary of a worker is first increased by 5% and then it is decreased by 5%. What is the change in his salary?
According to the molecular orbital theory, which of the following molecules should exhibit paramagnetism?

Arrange the following in decreasing order of their acidic strength: 
A. \( {CH}_3 {COOH} \) 
B. \( {CICH}_2 {COOH} \) 
C. \( {Cl}_2 {COOH} \) 
D. \( {Cl}_3 {COOH} \) 
E. \( {F}_3 {COOH} \) 
Choose the correct answer from the options given below:

Match items in List I with items in List II

Choose the correct answer from the options given below.

It is possible to separate o-nitrophenol and p-nitrophenol using steam distillation because o-nitrophenol has

Identify which of the following statements regarding significant figures are correct. 
A. 6.405 has four significant figures. 
B. 12300 has five significant figures. 
C. 0.00421 has five significant figures. 
D. 4.500 has four significant figures. 
Choose the most appropriate answer from the options given below.

Which one of the following is an aromatic compound?
A boy sitting on a surface inside a satellite moving around the earth feels weightless because
A resistor \( R \) dissipates power \( P \) when connected to a generator. If another resistor \( Q \) is put in series with \( R \), the power dissipated by \( R \) will:
Identify the statement which is NOT true for a 'conservative force'.

If a body is performing uniform circular motion with velocity \( v \) and radius \( R \), then identify the true statements from the following:
A. Its velocity \( v \) is constant.
B. Acceleration is always directed towards the centre and its magnitude is \( a = \frac{v^2}{R} \).
C. Angular momentum is constant in magnitude but its direction keeps changing.
D. Angular velocity of the body \( = \frac{v}{R} \). 
Choose the most appropriate answer from the options given below.

Two parallel plate capacitors each of 15 µF capacity are connected in series. The space between the plates of one capacitor is filled with a dielectric material of dielectric constant \( K = 2 \). The equivalent capacitance of the system will be:
A proton and a deuteron moving with equal kinetic energy enter perpendicularly into a magnetic field. What will be the ratio of radii of the circular path of the proton to that of the deuteron?
A big oil droplet of radius 10 cm is broken into a thousand equal droplets. What will be the gain in surface energy? (Surface tension of the oil is 0.1 N/m)
The electric charge on a body is always an integral multiple of 'e' where 'e' is the charge that an electron or proton carries. This concept is known as