Biological Science Model Test - 2017 - IIT JAM MCQ

The structure of myoglobin is

During photosynthesis, ATP synthesis takes place in -

Photophosphorylation was discovered by -

Angle A is larger than angle C and smaller than angle B by the same amount. In ΔABC If angle B = 67º, angle C is _____

A culture of mycobacterium leprae was subjected to alkaline ethanol extraction prior to acid fast staining. The colour of culture of following staining will be ______

In cell membrane transport activities are carried by -

In a Eukaryotic gene. One of the introns is mutated at the 3’ end as shown :
Normal : AGGGCATTAGC
Mutant : AGGGCTTTGC

Which of the following processes in this mutation most likely to affect ?

Which of the following types of information can't be determined from the traditional Northern blotting technique ?

A bell is rung before giving bread to a dog. After doing this continuously for 12 days, which of the following is most likely to happen

The circadian rhythm is regulated by which hormone in higher animals?

Which of the following is the characteristic of allopatric speciation?

Agrobacterium rhizogenes can be used to genetically engineer plants because of which of the following statement ?

Which of the following virus is not used as gene therapy vectors ?

Independent assortment of genes occur due to the orientation of chromosomes at ______

The following pedigree of a particular rare trait depicts which of the following mode of inheritance of the gene ?

A microscopic unicellular is observed to have the following characteristics a flagellum, chloroplasts, a food gullet, a nucleus, mitochondria. This organism belongs to which kingdom ?

The biological clock in higher vertebrates is regulated by _______

Proteins are separated in SDS- electrophoresis on the basis of their ______

What is the advantage of probing a transcription with mRNAs bound to ribosomes ?

A population of Proliferating cells is stained with a DNA binding fluorescence dye so that the amount of fluorescence is directly proportional to the quantity of DNA. Amount of DNA in each cell is measured by flow cytometry. The number of cells with a given DNA content is plotted and following statement were made.

(1) Peak A contains the cells of G₀ phase
(2) Peak B contains the cells of G₁ phase
(3) Peak A contains the cells of G₁ phase
(4) Peak B contains the cells of G₂ phase

Which of the above mentioned statement is correct ?

A dsDNA cleaved with ECORI, producing a 5.4 kb band on a gel. A 5.4 kb band was also observed when the plasmid, was cleaved with Hind III. Cleaving the plasmid with both enzymes simultaneously resulted in a single band 2.7 kb in size.

Based on above information which of the following statement is incorrect?

A graph plotted between log_e (T₂ – T₁) and time t, the nature of graph is :

In a cross 50% red and 50% white flowered hybrids are got. So what was the genotype of its parents ?

The premature termination of polypeptide synthesis due to a stop codon can be overcome by a compensatory mutation in tRNA. This genetic phenomenon is referred to as _______

The ovules of cycas are :

Photosystem- II functions as a light dependent water plastoquinone oxidoreductase. What are the name of two reaction center proteins that bind electron transfer prosthetic groups such as P⁶⁸⁰ pheophytin and plastoquinone.

The scatter plot of growth rate and growth yield for 100 random environmental isolates of bacteria is shown below.