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

Match List-I with List-II

List-I (Physiological activity action in cell) & List-II (Nutrient involved)
(A). Specific inhibitor of acid phosphatase & (I). Potassium
(B). Activation of $\alpha$-amylase activity & (II). Copper
(C). Constituent of ascorbic acid oxidase & (III). Molybdenum
(D). Accumulation of putrescine under nutrient deficiency & (IV). Chlorine

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In the light reactions of photosynthesis, the sequence of electron flow from the exited P680 (PS II) to P700 (PSI) during non-cyclic photophosphorylation is:
In higher plants, zeatin is the most abundunt cytokinin. In addition, cytokinins can also occur as
(A). Riboside
(B). Thidiazuron
(C). Ribotide
(D). Glycoside
Choose the correct answer from the options given below:
Identify the compounds used as germicides in vase solutions to improve quality and longevity of cut flowers
(A). Aluminium sulfate
(B). Silver nitrate
(C). 8 - Hydroxyquinoline sulfate
(D). Aminocyclopropane carboxylic acid
Choose the correct answer from the options given below:
Examples of circadian rythm
(A). Seed germination in cereals once favourable conditions are met
(B). Root growth of plants into the soil
(C). Opening and closing of stomata
(D). Photosynthetic activity
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Match List-I with List-II

List-I (Time of opening/closure of stomata) & List-II (Crop/plant examples)
(A). Stomata open throught the day and close during night & (I). Cabbage, Banana, Allium
(B). Stomata close for a few hours in the evening & (II). Amphibious plants: Emergent hydrophytes
(C). Stomata open for a few hours during the day & (III). Pea, Bean, Mustard
(D). Stomata remain open during day and night & (IV). Cereals

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Match List-I with List-II

List-I (Process Enzyme) & List-II (Location in the cell)
(A). Triacylglycerol synthesis & (I). Mitochondria
(B). Glycolate oxidase & (II). Plastids
(C). Hexose Monophosphate Shunt & (III). Endoplasmic reticulum
(D). Serine synthesis in photorespiration & (IV). Peroxisome

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Identify the compound found to aid in defense against invading organisms in plants
(A). Jasmonates
(B). Salicylic acid
(C). Polyamines
(D). Brassinolates
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Major foreign exchange earner for India
Hand refractometer: "Brix" value at physiological maturity in sugarcane is
Identify the popular farming method gaining popularity among farmers that uses technology to manage crop production to maximize crop yield in the present day context
During seed germination, large quantities of triacylglycerol in the form of oil are accumulated in this organelle
Identify crops based on water requirement
(A). Maize $<$ Sugarcane $<$ Cowpea
(B). Sunflower $<$ Pearl millet $<$ Soybean
(C). Rice $<$ Sorghum $<$ Redgram
(D). Pineapple $<$ Amaranthus $<$ Cotton
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Idetify the the crops with low "Light Compensation Point"
(A). Lettuce
(B). Soybean
(C). Betelvine
(D). Fingermillet
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Identify the anaerobic nitrogen fixing bacteria
(A). Azotobacter
(B). Rhodospirillum
(C). Clostridium
(D). Gloeotheca
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Match List-I with List-II

List-I (Enzyme Process) & List-II (Electron donor Requirement)
(A). Nitrite reductase & (I). NADH
(B). APS sulfotransferase & (II). NADPH
(C). Fatty acid synthesis & (III). Glutathione
(D). Nitrate reductase & (IV). Ferredoxin (Reduced)

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The extent of water absorbed by plant roots, carried through the plant and that gets evaporated from leaf surface is:
In crops that grow upto a height of about 1 meter, component of water potential that become non-significant for cell growth after cell division is
(A). Solute potential
(B). Pressure potential
(C). Matric potential
(D). Gravitational potential
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How does the pressure flow hypothesis explain the movement of sugars in the phloem?
The specialized plastids - serving as gravity sensors, that direct root growth downward into the soil, are
Identify the long day plants
(A). Sugarbeet
(B). Tobacco
(C). Cotton
(D). Potato
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Which wavelength of light is primarily responsible for inducing the opening of stomata in plant leaves?
The maturity stage at which fruits/vegetables reach the ideal condition required for consumers, develop acceptable flavour or appearance and have an adequate shelf life is called
The water content in highly perishable with short shelf-life horticultural produce is
What is totipotency in biology?