List of top Plant Sciences Questions asked in ICAR AIEEA (PG)

Which of the following is a form of ex-situ conservation
A. Gene banks
B. Tissue culture repositories
C. National parks
D. Biosphere reserves
E. Botanical gardens
Choose the most appropriate answer from the options given below:

Recalcitrant seeds are
A. Susceptible to desiccation
B. Susceptible to freezing
C. Tolerant to desiccation but susceptible to freezing
D. Tolerant to freezing but susceptible to desiccation
E. Tolerant to desiccation and freezing both
Choose the most appropriate answer from the options given below

Given below are two statements
Statement I: Rafi Ahmad Kidwai Award is bestowed by CSIR to a scientist of repute for contribution in the field of agriculture.
Statement II: ICAR awards Punjab Rao Deshmukh Woman Agricultural Scientist Award annually.
In light of the above statements, choose the correct answer from the options given below

In sea urchin DNA, which is double stranded, 10% of the bases are shown to be cytosine (C). Based on this observation, the following were recorded
A. Guanine (G) are 10%
B. Adenine (A) are 40%
C. Thymine (T) are 20%
D. Purines are 50%
E. Purine and pyrimidine are equal
Choose the correct answer from the options given below

Most of the energy in the cells is liberated by oxidation of carbohydrates when-

Seed coat is derived from

Given below are two statements
Statement I: National Bureau of Animal Genetic Resources is located at Karnal.
Statement II: National Bureau of Fish Genetic Resources is located at Chennai.
In light of the above statements, choose the correct answer from the options given below

The acronym ITPGRFA stands for-

The combination of the following crops yields the staple food of India

Given below are two statements
Statement I: ‘Import Permit’ is an official document needed to introduce in India any plant genetic resources from other countries.
Statement II: The ‘Import Permit’ is signed by the Director General, ICAR.
In light of the above statements, choose the correct answer from the options given below

Given below are two statements
Statement I: Growth regulators which control plant growth and development are called phytohormones.
Statement II: Apical meristems are responsible for growth in length of branches and roots.
In light of the above statements, choose the correct answer from the options given below

Which of the following is fiber yielding plant?

The Food and Agriculture Organization (FAO) of United Nations has declared

Heterosis cannot be fixed, if it is obtained through-
A. Apomixis
B. Balanced lethal system
C. Development of F1 hybrid
D. Development of synthetic variety
E. Vegetative propagation
Choose the correct answer from the options given below:

For estimation of mid-parent heterosis, the genotypes included in the trials are-
A. F1 hybrids
B. Female parents
C. Male parents
D. Check variety
E. Top cross hybrid
Choose the correct answer from the options given below:

Frequency of recombination between two genes is affected by-
A. Coupling and repulsion phase of linkage
B. Asynapsis and desynapsis
C. Location of the gene with respect to the centromere
D. Distance between two genes
E. Translocation of the genes
Choose the correct answer from the options given below:

Given below are two statements
Statement I: Presence of objectionable weed seed reduces the physiological quality of a seed lot.
Statement II: Seeds of objectionable weed have same shape and size as the main crop seeds.
In light of the above statements, choose the most appropriate answer from the options given below

Given below are two statements
Statement I: Matthias Schleiden and Theodor Schwann proposed the first two components of the ‘cell theory’.
Statement II: Rudolf Virchow proposed the third component of the ‘cell theory’.
In light of the above statements, choose the most appropriate answer from the options given below

Given below are two statements
Statement I: Pre-1940, genes were considered to be like ‘beads-on-string’ and ‘not-divisible’.
Statement II: In 1940, CP Oliver proved that the genes are divisible.
In light of the above statements, choose the most appropriate answer from the options given below

Single cross hybrids can be used for a variety of purposes such as-
A. Development of three-way cross hybrid.
B. Development of composite variety.
C. Development of double cross hybrid.
D. Prediction of double cross hybrid.
E. Back cross generation.
Choose the correct answer from the options given below:

Given below are two statements
Statement I: Plastids are site of purine synthesis.
Statement II: Cytosol is the site of pyrimidine synthesis.
In light of the above statements, choose the most appropriate answer from the options given below

Cis-trans or complementation test results may be ambiguous, if-
A. The mutations are dominant
B. There is intragenic complementation
C. The mutations belong to different genes with different phenotype
D. There is polar mutation
E. There is gene interaction
Choose the correct answer from the options given below

The events happening during RNA processing are:
A. Capping at the 5'-end.
B. Proof-reading of the nascent mRNA.
C. Splicing of the introns and joining of the exons.
D. Deadenylation at the 3'-end.
E. Addition of poly-A tail at the 3'-end.
Choose the correct answer from the options given below

Chronological steps in the development of genotype and release of a crop variety
A. Preliminary yield trial
B. Genotype development
C. Multilocation trial
D. Notification of variety
E. Identification of variety
Choose the correct answer from the options given below

Chronological steps in the development of hybrid
A. Development of inbreds
B. Evaluation of the hybrid with check
C. Testing for combining ability
D. Morphological evaluation of inbreds
E. Seed multiplication
Choose the correct answer from the options given below