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

In field crops Harvest Index is calculated using the growth parameters
The organelles involved in the process of photorespiration are
(A). Chloroplast
(B). Mitochondria
(C). Peroxisomes
(D). Vacuole
Choose the correct answer from the options given below:
Which one of the following is not a component of thylakoid integral membrane protein?
Pressure potential in the xylem of an actively transpiring plant is
Ethylene is a plant hormone known to influence post-harvest ripening. Which of the following fruits is not sensitive to ethylene?
Which one the following statements is correct?
(A). Seeds can remain dormant for indefinite periods until environmental conditions are favorable for germination
(B). Seed dormancy in crops can be broken by mechanical scarification or chemical treatments
(C). Light is a necessary environmental factor for the germination of all seeds
(D). A thick seed coat and impermeability can prevent water and gases from entering the seed, delaying germination.
Choose the correct answer from the options given below:
Identify the crop with correct matching.
A. Sugarcane: Kranz anatomy
B. Pineapple: C4 plant
C. Mulberry: C3 plant
D. Sunflower: C3 plant
Choose the correct answer from the options given below:
The breakdown product of DNA (capable of inducing cell division) which was later identified as cytokinin is
Exudation of sap from the cut surface of the stem of a well-watered herbaceous plant is due to the positive pressure in the xylem, which is termed as
Match List-I with List-II

List-I (Physiological process) & List-II (Site of the reaction)
(A). Glycolysis & (IV). Cytoplasm
(B). Citric Acid Cycle & (I). Mitochondrial Matrix
(C). $\text{F}_o\text{-F}_1$ ATP synthase & (III). Inner membrane of Mitochondria
(D). Calvin Cycle & (II). Stroma of Chloroplast

Choose the correct answer from the options given below:
The amount of $\text{CO}_2$ assimilated by photosynthesis divided by amount of water transpired by transpiration process is known as}
Which hormone is primarily responsible for the inhibition of lateral bud growth and maintenance of apical dominance?
Which one of the following is not true of the genetic code?
Which one of the following is vascular tissue?
What type of plants require a period of uninterrupted darkness to induce flowering?
What is the primary environmental cue that triggers flowering in many plants?
Heat shock method is used to bring about
Which one of the below statements is not true with respect to DNA microarray?
Which one of the folowing is not true of the attenuation that controls gene expression?
Match List-I with List-II


List-I & List-II
(A). Incomplete dominance & (I). Albinism in plants
(B). Co dominance & (II). Heterozygous phenotype is intermediate to homozygous parents
(C). Multiple alleles & (III). Heterozygote phenotype is mixture of phenotypes of homozygous parents
(D). Lethal alleles & (IV). Coat colour in rabbits


Choose the correct answer from the options given below:
C value refers to the DNA content in haploid cell and has no correlation with the complexity of the organism. Which of the following explains this C value paradox?
Which one of the following is not true of mycoplasmas?
Which of the following is a symbiotic nitrogen fixer?
Which of the following mechanisms is not employed by bacteria that move by gliding?
Identify the wrong statement about meiosis