List of top Questions asked in ICAR AIEEA (PG)- 2021

The number of chromosomes in cattle, goat, and sheep are respectively:

Human genome size is approximately:

The organelle that is referred to as the "powerhouse" of the cell is:

Which of the following is correct regarding Plasmids?

In bacteria, gene transfer occurs by the following processes, except:

Which of the following is NOT among the four basic shapes of bacteria?

Which of the following structures surrounds the bacterial cell's cytoplasm and regulates the flow of substances in and out of the cell?

Currently, the fourth most abundant chemical element in the universe is:

Statement I: Signal sequence of a polypeptide chain is hydrophobic in nature.
Statement II: Signal receptor particle (SRP) binds tightly to the ribosome that is synthesizing a polypeptide chain with a signal sequence.
Choose the most appropriate answer from the options given below:

Statement I: Diphthamide is a modified amino acid present in the elongation factor 2.
Statement II: It prevents translocation of the growing polypeptide chain.
Choose the most appropriate answer from the options given below:

The translation is accomplished by the ribosome, which links proteinogenic amino acids in the following order:

Match column I with column II:
A. F. Meischer
B. Griffith
C. Hershey and Chase
D. Watson and Crick
Match with the following:
I. DNA double helix
II. Nuclein
III. S. pneumoniae
IV. Bacteriophages
Choose the correct answer from the options given below:

The experiment that conclusively proved that DNA is the genetic material was performed by:

Statement I: Histones are rich in arginine and lysine. Thus, they are positively charged proteins at physiological pH.
Statement II: Histones are the most evolutionary conserved proteins known.
Choose the most appropriate answer from the following options:

Statement I: Conservation agriculture is congenial for formation of soil aggregates and humus, leading to improved soil structure, soil porosity and pore size distribution.
Statement II: Adoption of conservation agriculture results in increased crusting and surface sealing and decreased soil water storage capacity.
In light of the above statements, choose the correct answer from the options given below:

Distillery effluents also known as spent wash is a nutrient rich material and can be applied:

In shifting cultivation, the shifting cycle has been shrunk to about 5 years or even below 5 years, mainly due to:

When Pi is productivity per unit input of the limited or non-renewable resource, Si is alteration in soil properties, Wi is change in water resource and quality, Ci modification in climatic factor and t is the time, the index of sustainability (Is) can be computed as:

Assertion A: Sodic or alkali soils can be reclaimed by application of calcium carbonate (CaCO\(_3\)).
Reason R: Removal of excess salts to a desired level in the rooting zone is the basic principal of reclamation of saline soils.
In light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements:
Statement A: Liming of acid soils with limestone and/or basic slag helps in neutralizing exchangeable aluminium (Al\(^{3+}\)) and increasing pH of soils to a desired level.
Statement B: Over-liming of acid soils has adverse effect on soil nutrient availability, particularly of micronutrients (Zn, Cu, Fe and Mn) and crop growth.
Choose the correct answer from the options given below:

The characteristics of saline-alkali soils are:
A. pH > 8.5
B. pH < 8.5
C. EC > 4 dS/m
D. EC < 4 dS/m
E. ESP > 15
Choose the correct answer from the options given below:

Drought Prone Area Programme (DPAP) was started during:

Statement I: Periodically, a phenomenon called as southern oscillation that is a global scale see-saw in surface pressure with center of action near Indonesia - North Australia in one side and South-east Pacific region in the other side occurs and when it occurs the above mentioned normal situation greatly changes.
Statement II: Pressure rises in the Indonesian region and as a consequence the steady Trade wind diminish and may even change direction.
In light of the above statements, choose the correct answer from the options given below:

The Imperial Agricultural Research Institute was established in the year:

Match the following aridity classes with their index values (IMD classification):
A. Non-arid
B. Mild
C. Moderate
D. Severe
Match with the following index values:
I. 26-50
II. > 50
III. 0 or less
IV. 1-25
Choose the correct answer from the options given below: