Biotechnology Model Test (2017) - IIT JAM

Correct sequence of noncyclic photophosphorylation is ____

Common way that cell capture the energy liberated during the partitioning of large molecules is to add electrons to smaller, specialized molecules that can take them. This process of electron acceptance is otherwise recognized as ?

Choose the correct combination of components needed to fix up a polymerase chain reaction from the chase ?

In TCA cycle substrate level phosphorylation occurs at _______

How many ATP equivalents per mole of glucose input are required for gluconeogenesis ?

All of the following substances move across the plasma membrane of cells by passive diffusion EXCEPT

Loss of function mutations (involving a single allele) that involve the yield of an enzyme are usually autosomal ________ while loss of function mutations that affect structural proteins are usually autosomal ________

Order the following events in eukaryotic gene expression:

I. Binding of the 40S subunit

II. Creation of a 2'- 5' phosphodiester bond

III. Exporting RNA from the nucleus

IV. Binding of DNA Polymerase to the template strand

Which of the following proteins is NOT essential in the synthesis of eukaryotic proteins from DNA templates?

Mitochondrial DNA is inherited from?

The most accepted hypothesis of origin of life is _____

Bordeaux reagent is ______

pH of 0.001 M HCl is 3, on diluting 1ml of this to become 1 litre so what will be the pH ?

When phenol reacts with a mixture of conc. HNO₃ and conc. H₂SO₄ the product formed is :

A compound x of formula C₃H₈O yield a compound C,H₆O, on oxidation. To which of the following classes of compounds could x belong ?

The final product (c) formed in the reaction :

Which one is not correct about perxenate ion (XeO₆^4–) ?

A triangle with vertices (4, 0), (– 1, – 1), (3, 5) is

The domain of definition of the function

A parallelepiped is formed by planes drawn through the points (2, 3, 5) and (5, 9, 7) parallel to the coordinate planes. The length of a diagonal of the parallelepiped is _____

If ω is an imaginary cube root of unity then (1 + ω – ω²)⁷ equals ________

A certain force applied to mass m₁ given it an acceleration of 10 ms^–2. The same force applied to mass m₂ gives it an acceleration of 15ms^–2. If the two masses are joined together and the same force is applied to the combination, the acceleration will be

An object will continue unaccelerating till _________

A train starts from station. A with uniform acceleration a for some distance and then goes with uniform retardation b for some more distance to come to rest at station B. The distance between station A and B is 4km and the train takes 4 minute to complete this journey. If a  and b  are in km (min)^-2 then

A block of mass M is placed on an inclined plane of inclination 45°. The inclined plane moves horizontally with an acceleration of 10 ms^–2 as shown in the fig. If acceleration due to gravity is 10 ms^–2, the block will :

If a person with a spring balance and a body hanging from it goes up and up in an aeroplane, then the reading of the weight of the body as indicated by the spring balance, will

Correct statements regarding eukaryotic splicing are _______

Which of the following is/are correct sources of Palmitic acid?

Antifungal antibiotics are currently available for treating infectious disease. For example:

The inactive form of the apoenzyme is known as a ______?

Select the correct statements about the structure given below :

If mp, mn are masses of proton and neutron respectively and M1 and M2 are masses of ¹²₁₀Ne and ⁴⁰₂₀Ca nucleus respectively, then ______

If a hyperbola passes through the focus of the ellipse    and its transverse and conjugate axes coincide with the major minor axes of the ellipse, and the product of eccentricities is 1, then ________

Internal bisector of ∠A of triangle ABC meets side BC at D. A line drawn through D perpendicular to AD intersects the side AC at E and the side AB at F. If a, b, c represent sides of DABC then

In the given diagram, a line of force of a particular force field is shown. Out of the following options, it can never represent ________

The electrostatic potential (φ_r) of a spherical symmetric system, kept at origin, is shown in the adjacent figure, and given as

W hich of the following option(s) is/are correct?

The protein has a 3- fold symmetry axis, their rotation axis is _____

Vm reveals the turnover number (kcat) of an enzyme if [Et] is known what is value of K_cat_____×10⁵
sec^–1.
if [Et] = 1 µM and Vm = 600 mols/L/sec, K_cat = ?

In purple people eaters, one- horn is dominant and no horns is recessive, showing the cross of a purple people eater that is heterozygous for horns with a purple people eater that does not have horn. Summarize the genotypes & phenotype of the possible offspring ________ .

In pea plants, spherical seeds (S) are dominant to dented seeds (s). In a genetic cross of two plants that are heterozygous for the seed shape trait, the offspring should have spherical seeds heterozygous (Ss) are________ .

Genetic cross between two F1- hybrid pea plants having red seeds. Calculate the yield of pinkseeded plants in the F2 generation in______%.
Note: Red seeds are dominant to pink.

At 300 K calculate the value of ΔG° _______ in kJ/mol.
Note that it is the same for both the substrate and the inhibitor at this temperature.

Calculate the mass ratio of CH₄ to O₂ required for complete combustion________

In E. coli DNA, the AT/GC ratio is 0.90. If the number of moles of A in the DNA sample is 560,000, calculate the number of moles of guanine present.

p^keq. for the reaction :

Number of electron pairs in the valence shell of central atom in I3- is _____

Number of waves in an orbit of H- atom having radius equal to 8.464 × 10^–10 m are ________.

The total number of possible isomers for the complex compound [Cu(^II)(NH₃)₄] [Pt(^II)Cl₄] is ________.

In a class of 100 students there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average marks of the girls ?

A and B play a game where each is asked to select a number from 1 to 25. If the two numbers match, both of them win a prize. The probability that they will not win a prize in a single trail is _________.

Three lines 3x - 4y + 4 = 0 and 6x - 8y - 7 = 0 are tangent to the same circle. The radius of the circle is __________.

Let T_n denote the number of triangles which can be formed using the vertices of a regular polygon of n sides. If T_n+1 – T_n = 21 then n equals _______.

A particle moves from point (1, 0, 2.5) to the point (–2, 3, 4) m when a force   acts on it. The work done on it is __________ J.

A 500 kg car takes a round turn of radius 50 m with a velocity of 36 km/h. The centripetal force is ___________ N.

The mass of hydrogen molecule is 3.32 × 10^–27 Kg. If 10²³ hydrogen molecules strike per second at 2 cm² area of a rigid wall at an angle of 45° from the normal and rebound back with speed of 1000 m/s, then the pressure exerted on the wall is __________ Pascal.

A wire has a resistance of 3.1W at 30°C and a resistance 4.5W  at 100°C. The temperature coefficient of the wire will be _____________ /°C