Chilling injury in fruits typically occurs when they are stored below their optimal temperature but above freezing point. Which of the following fruits is highly susceptible to chilling injury if stored below 12-13°C?

Blossom End Rot (BER) is a common physiological disorder affecting various fruits, including tomato, pepper, and watermelon. It is primarily caused by a localized deficiency of which nutrient, often exacerbated by irregular water supply?

Which of the following groups contains only climacteric fruits, meaning they undergo a distinct ripening phase post-harvest with a surge in respiration and ethylene production?

Match the following physiological disorders with the fruit they commonly affect:

Disorder	Fruit
A. Water core	1. Mango
B. Granulation	2. Apple
C. Spongy Tissue	3. Citrus
D. Internal breakdown	4. Pear

How many pairs are correctly matched?

What is the primary purpose of applying wax coatings to fresh fruits like apples and citrus after harvest?

Consider the following statements regarding Controlled Atmosphere (CA) storage:
1. It involves maintaining a low oxygen and high carbon dioxide environment.
2. It significantly extends the post-harvest shelf life of many fruits, especially climacteric ones.
3. It actively controls temperature and humidity, but not gas composition.
Which of the statements given above is/are correct?

Bitter Pit is a physiological disorder characterized by small, sunken, brown or black spots on the skin or within the flesh, particularly near the calyx end. This disorder is most prevalent in which of the following fruits?

Which gaseous plant hormone is naturally produced by many fruits and is widely used exogenously in post-harvest technology to induce and accelerate ripening?

What is the primary objective of pre-cooling in post-harvest handling of fruits?

A fruit displaying symptoms of a soft, brown, and mealy texture in the core area, often extending outwards, after a period of storage, is most likely suffering from which physiological disorder?

Arrange the following post-harvest operations for fresh fruits in their typical chronological order:
1. Packaging
2. Sorting and Grading
3. Harvesting
4. Pre-cooling
5. Storage/Transportation

What is the generally recommended optimal storage temperature range for most varieties of Grapes to maintain quality and extend shelf life?

Internal browning, characterized by a brownish, water-soaked appearance of the flesh that can progress to cavity formation, is a significant physiological disorder of which fruit, often associated with low temperatures?

In post-harvest technology, Modified Atmosphere (MA) packaging typically refers to a technique where:

Which micronutrient deficiency is most commonly associated with fruit cracking in crops like Litchi and Pomegranate, especially under fluctuating soil moisture conditions?

Consider the following statements about non-climacteric fruits:
1. They do not show a significant increase in respiration or ethylene production after harvest.
2. They generally cease ripening once harvested and should be picked at full maturity.
3. Ethylene gas treatment is highly effective in initiating and accelerating their ripening.
Which of the statements given above is/are correct?

Ethrel, a compound often used in post-harvest management, functions by releasing which plant hormone to promote uniform ripening and degreening in fruits?

Match the following post-harvest treatments with their primary purpose:

Treatment	Primary Purpose
A. Hot water treatment	1. Reduce water loss
B. Irradiation	2. Delay ripening
C. Sulphur fumigation	3. Insect disinfestation
D. Waxing	4. Decay control

Which of the following combinations is correctly matched?

Internal necrosis in fruits, characterized by browning and breakdown of internal tissues often starting from the center, is a physiological disorder primarily linked to the deficiency of which micronutrient?

For most fresh fruits stored under refrigerated conditions, what is the generally recommended optimal range for Relative Humidity (RH) to prevent excessive moisture loss and maintain quality?

Consider the following statements regarding chilling injury in fruits:
1. It occurs when fruits are exposed to temperatures below their optimal storage range but above their freezing point.
2. Symptoms can include surface pitting, discoloration, internal browning, and increased susceptibility to decay.
3. All fruit species exhibit the same level of susceptibility to chilling injury.
Which of the statements given above is/are correct?

Which of the following physiological disorders in Pomegranate is characterized by splitting of the fruit skin, exposing the arils, and is often exacerbated by sudden changes in soil moisture and temperature?

In Controlled Atmosphere (CA) storage systems, what is the primary function of an ethylene scrubber?

Match the fruit with its generally recommended optimal long-term storage temperature range:

Fruit	Optimal Storage Temperature
A. Mango	1. 0-2°C
B. Apple	2. 5-7°C
C. Pomegranate	3. 12-14°C
D. Banana	4. 13-15°C

Which of the following combinations is correctly matched?

Sunburn or Sunscald in fruits is a physiological disorder characterized by bleached, yellow, or brown necrotic patches on the exposed fruit surface. What is its primary cause?

Which of the following sequences correctly represents the typical chronological order of major physiological changes during the ripening of a climacteric fruit?

1-Methylcyclopropene (1-MCP) is a synthetic compound widely used in post-harvest technology to extend the shelf life of many fruits. What is its mechanism of action?