List of top Questions asked in ICAR AIEEA (PG)

Conventionally the -10 ($5'$-TATAAT) and -35 ($5'$-TTGACA) regions are denoted in

Which of the following enzyme finally transfers ubiquitin to the target protein

Clonal propagation should not be used for the multiplication of following species

Match List-I with List-II

List-I (Protein) & List-II (Feature)
(A). $\alpha$-Keratin & (II). Rich in Cysteine residues
(B). Collagen & (III). Rich in Glycine, Proline and Hydroxyproline
(C). Myoglobin & (I). Contains predominantly $\alpha$-helices in its secondary structure
(D). Concanavalin A & (IV). Contains $\beta$-pleated sheets in high abundance

Choose the correct answer from the options given below:

Which of the following cannot be the form of a plant tissue culture method

Which of the following will be present in the highest amount in the plant tissue culture media

The order of elution (first to last) of amino acids Histidine (H), Glutamic acid (E), and Lysine (K) from a cation exchange column with a buffer having pH 6.0 is (Given: The pK values of H, E, and K is 6.0, 4.25, and 10.5 respectively):

The products of which of the following pair of nif genes control the expression of other nif genes?

The DNA of the microorganisms living under conditions of extreme temperature is predominantly:

Match List-I with List-II

List-I (Form of DNA) & List-II (Characteristic of DNA)
(A). A-DNA & (II). Short, broad and right-handed
(B). B-DNA & (III). Longer, thinner and right-handed
(C). Z-DNA & (IV). Anti conformation at Cytosine and syn at Guanine
(D). H-DNA & (I). Triplex DNA

Choose the correct answer from the options given below:

Fishermen, in certain parts of the world follow a practice of beating the roots of tree along riverbanks in a manner that transfers the extract of the roots into water. This practice paralyzes fishes and makes them easy prey. The most acceptable reason for this observation is:

Rubisco activase is a (an)

(A). Catalytic chaperone
(B). ATP-dependant enzyme
(C). Enzyme that activates Rubisco by promoting the entry of sugar phosphates to its active site
(D). Enzyme that activates Rubisco by increasing its carbamylation

Choose the correct answer from the options given below:

Acrylamide, a toxic and potentially carcinogenic compound, can be formed in high heated starchy food products such as potato chips by which of the following precursor molecules?

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): Sorghum is a C3 plant.
Reason (R): In Sorghum, the primary $\text{CO}_2$ acceptor is a 3-carbon molecule Phosphoenolpyruvate.
In light of the above statements, choose the correct answer from the options given below.

Which of the following molecules can be considered as a lipid?
(A). Ubiquinone
(B). Retinol
(C). Dolichol
(D). $\beta$-Carotene
Choose the correct answer from the options given below:

The enzyme glutamine oxoglutarate amino transferase (GOGAT) is also known as

The sequence of action of following enzymes of plant fatty acid synthase complex is:
(A). $\beta$-Ketoacyl-ACP reductase
(B). $\beta$-Ketoacyl-ACP synthase
(C). $\beta$-Hydroxyacyl-ACP dehydratase
(D). Enoyl-ACP reductase
Choose the correct answer from the options given below:

The pyruvate carboxylase catalyzed conversion of pyruvate to oxaloacetate is a(an)

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A): Peptidoglycan-containing bacterial cell wall is resistant to hydrolytic action of many proteases.
Reason (R): The presence of D-amino amino acids in the peptidoglycan structure of bacterial cell wall makes it resistant to most proteases.

In light of the above statements, choose the correct answer from the options given below.

Match List-I with List-II


List-I (Compound) & List-II (Vitamin D derivative)
(A). Ergocalciferol & (I). Vitamin D2
(B). Cholecalciferol & (II). 25-Hydroxy Vitamin D3
(C). Calcidiol & (III). 1,25-Dihydroxy Vitamin D3
(D). Calcitriol & (IV). Vitamin D3


Choose the correct answer from the options given below:

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A): During evolution, some species, including humans, became dependent on dietary vitamin C due to loss of their ability to biosynthese ascorbic acid (AA) on their own.
Reason (R): The loss of ability for the biosynthesis of ascorbic acid in human is due to the inactivation of an important enzyme viz. L-Gulono-Lactone Oxidase (GLO).

In light of the above statements, choose the correct answer from the options given below.

Amyloids- the insoluble fibrous aggregates deposited in certain tissues- which result in the development of fatal human diseases, can chemically be regarded as:

A dual affinity nitrate transporter (NPF 6.3) operates as both a low- and high-affinity transporter. Its ability to switch between two affinity modes depends upon its:

In spectrophotometry, if transmittance value of a solution is 75%, then its absorbance would be equal to:

The Dihomo-Gamma-Linolenic acid (DGLA, cis,cis,cis-8,11,14-eicosatrienoic acid) is:

(A). an $\omega$-6 fatty acid
(B). formed by conjugation of two linolenic acid molecules
(C). formed by elongation of $\gamma$-linolenic acid
(D). formed by isomerization of $\alpha$-linolenic acid

Choose the correct answer from the options given below: