List of top Questions asked in ICAR AIEEA (PG)

Nucleus seeds maintain the highest genetic purity. In carrots, which one of the following methods is used to produce the nucleus seeds?
Match List-I with List-II
Choose the correct answer from the options given below:
Usually, rain disrupts pollination in the flowers; however, in certain crops, it favors pollination. In which of the following crops, rain favors pollination?
Nucleic acid in majority of the known plant viruses is
Koch's postulates were based on the studies conducted on which of the following disease
Second generation biofuels are made from
The DNA sequence located upstream to a gene sequence where DNA polymerase binds is known as
Which of the following have the ability to convert nitrite to nitrate
(A). Nitrobacter
(B). Nitrosomonas
(C). Nitrosospira
(D). Nitrococcus
Choose the correct answer from the options given below:
Given below are two statements:
Statement (I): Oligotrophs can grow in environments with very low levels of nutrients
Statement (II): Oligotrophs exhibit slow growth, low rate of metabolism and low population density as compared to copiotrophs
In light of the above statements,choose the most appropriate answer from the options given below.
Match List-I with List-II
Choose the correct answer from the options given below:
Match List-I with List-II
Choose the correct answer from the options given below:
Fungi deriving their nutrition from dead biomass all called
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): GC rich dsDNA has higher melting point than the AT rich dsDNA
Reason (R): Hydrogen bonding energy of a guanine-cytosine (GC) pair is higher than a adenine-thymine (AT) pair
In light of the above statements, choose the correct answer from the options given below.
Given below are two statements:
Statement (I): Irradiation with UV light causes mutations in DNA
Statement (II): UV light causes formation of covalent bond between the thymine molecules on the same strand causing thymine dimerization
In light of the above statements,choose the most appropriate answer from the options given below.
Which of the following exhibit catalytic function
Given below are two statements:
Statement (I): Phytoplasmas are found in Phloem
Statement (II): Phytoplasmas are transmitted by beetles
In light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement (I): Xa21 gene confers resistance to bacterial blight in rice
Statement (II): Xa 21 is a receptor like kinase type of receptor
In light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement (I): Lichens are the symbiotic associations between a photobiont and mycobiont
Statement (II): The photosynthetic partner in lichens can be either be a green algae, a blue-green algae or both
In light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements:
Statement (I): Mesosomes are the folded invaginations of bacterial plasma membrane that help in cell division
Statement (II): Mesosomes reduce the surface area of plasma membrane
In light of the above statements, choose the most appropriate answer from the options given below.
Different crops grown in alternate rows in a cultivated field is an example of
Which of the following traits are associated with Actinomycetes
(A). Presence of peptidoglycan in the cell wall
(B). Low G+C content in the DNA
(C). Aerial mycelia bearing asexual spores
(D). Presence of 70S ribosomes
Choose the correct answer from the options given below:
Given below are two statements, one is labelled as Assertion (A) and other labelled as Reason (R).
Assertion (A): False negative result will render the plant pathogen detection kit unusable
Reason (R): False negative results are due to poor sensitivity of the markers
In light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements, one is labelled as Assertion (A) and other labelled as Reason (R).
Assertion (A): Bacterial plant pathogens need wound or natural opening to enter the host
Reason (R): Bacterial plant diseases are mostly caused by Gram negative group
In light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements, one is labelled as Assertion (A) and other labelled as Reason (R).
Assertion (A): Host resistance is one of the best methods of plant disease management
Reason (R): New pathotype can make the resistance non durable
In light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements, one is labelled as Assertion (A) and other labelled as Reason (R).
Assertion (A): Plant viruses multiplies within the plant cell expoliting cell machinary
Reason (R): Plant viruses lack elaborate metabolic capabilities
In light of the above statements, choose the most appropriate answer from the options given below: