Ovary become seeds when fertilized

The most valuable economic part of celery is the petiole which is  usually referred as spear

The greater the amount of photosynthates as a source of ATP through respiration, the longer the postharvest life.

The faster the commodity loses water, the faster it deteriorates and losses its freshness

The faster the respiration is, the faster the postharvest life

Low temperature and high oxygen and low carbon dioxide can slow down respiration.

The lower the RH of the air, the faster the rate of transpiration

Non climacteric fruits produce a high amount of ethylene compare to climacteric fruits.

The longer the exposure and the more intense the sunlight of the commodity, the faster the deterioration.

  It is the study of different parts of the organs.

  It is the study of the visible and microscopic parts of the commodity. 

Its function is to protect the cellular contents and regulates the passage of substance in and out of the cells.

It is the storage body of the cell for water and the dumping ground for cellular wastes, which include sugar, salts, acids, nitrogenous compounds, glycosides, alkaloids, and most of the tannins.

It constitutes the microscopic covering of the different plant organs that protects it against injury and temperature changes.

It is responsible for the texture of fruits and the major synthetic activities of the plants such as formation of pigments.

It dictates how the commodity will respond to technology or its environment.

It greatly influences the effect of the environment on the organ and its susceptibility to mechanical damage, insects and diseases.

It maintains turgidity if tissues and participate in various biological reactions and processes necessary to maintain living state of harvested produce

    It is water insoluble organic molecules that can be extracted from cells and tissue.

    It comprises of more than 2 % of fruit and is used as a substrate for respiration and for the synthesis of aromatic compounds that confer flavor and aroma to fruits and vegetables.

  It makes the commodity resistance to moisture loss, microbial attack and mechanical damage.

  A compounds that confer color to commodities.

The acid which is abundant in banana and mango and predominant in eggplant, melon, carrot, lettuce, celery and onion

These enzyme is responsible  for breaking down up of starch molecules.

It is the ability of the commodity to resist damage when dropped on a surface or hit by other commodities

It is concerned with changes in sound transmitted through a commodity

It is defined as the general outline of the commodity

It is used for transmittance method of determining the quality evaluation of whole samples

Ultrasonic transmission is the sound waves above the hearing range of human being and includes all these having a frequency greater than ___ kHZ