1.
How many calories of energy is obtainable in an 100g of pineapple?
Correct Answer
D. 50Kcal
Explanation
The correct answer is 50Kcal because pineapple contains approximately 50 calories of energy per 100g.
2.
Which of these animals is associated with pineapple?
Correct Answer
D. Hummingbird
Explanation
Hummingbirds are associated with pineapple because they are known to pollinate pineapple plants. They have long beaks that allow them to reach deep into the pineapple flowers and extract nectar, while also transferring pollen from one flower to another. This mutualistic relationship between hummingbirds and pineapple plants helps in the reproduction of the plants and the production of pineapples.
3.
What is the percentage composition of manganese in 100g of pineapple?
Correct Answer
C. 58 percent DV
Explanation
The percentage composition of manganese in 100g of pineapple is 58 percent DV. This means that 58 percent of the daily value of manganese is present in 100g of pineapple.
4.
According to records, pineapple was known to originated from ___________
Correct Answer
D. South America
Explanation
Pineapple is believed to have originated from South America based on historical records. The fruit was first discovered and cultivated by indigenous people in the region, particularly in present-day Brazil and Paraguay. From there, it spread to other parts of South America and eventually reached other continents through European exploration and trade routes. The tropical climate and fertile soil of South America provided ideal conditions for pineapple cultivation, contributing to its early development and popularity in the region.
5.
Who introduced the fruit to inhabitants of Hawaii?
Correct Answer
C. John Kidwell
Explanation
John Kidwell introduced the fruit to inhabitants of Hawaii.
6.
Which variety of pineapple is known as Sarawak in some parts of Asia?
Correct Answer
D. Smooth Cayenne
Explanation
Smooth Cayenne is known as Sarawak in some parts of Asia.
7.
Pineapples contain all of the following except
Correct Answer
D. Cyanide
Explanation
Pineapples contain various compounds that contribute to their flavor and health benefits. Ferulic acid, gallic acid, and vanillin are all naturally occurring compounds found in pineapples. Ferulic acid is an antioxidant that helps protect against oxidative stress. Gallic acid has anti-inflammatory and antimicrobial properties. Vanillin is a flavor compound that gives pineapples their distinct aroma. However, pineapples do not contain cyanide, which is a toxic compound.
8.
The wilt disease of pineapple is vectored by _________
Correct Answer
C. Mealybugs
Explanation
Mealybugs are the vectors for the wilt disease of pineapple. These small insects feed on the sap of plants, including pineapple, and can transmit the disease-causing pathogens from infected plants to healthy ones. Their feeding activity weakens the pineapple plants, making them more susceptible to wilt disease. Therefore, controlling and managing mealybug populations is crucial in preventing the spread of this disease in pineapple plantations.
9.
Concerning the disease of pineapple which if these is odd?
Correct Answer
B. Nematodal heart rot
Explanation
Nematodal heart rot is the odd one out because it is the only option that is not caused by a type of microorganism. Bacterial heart rot, fungal heart rot, and pink disease are all caused by bacteria or fungi, whereas nematodal heart rot is caused by nematodes, which are microscopic worms.
10.
Which of these is not a pest of pineapple?
Correct Answer
A. ApHids
Explanation
Aphids are not a pest of pineapple. Aphids are small insects that feed on the sap of plants, but they are not commonly found on pineapple plants. Ants, mites, and scales, on the other hand, can be pests of pineapple. Ants may protect aphids from predators and feed on the honeydew they produce. Mites can cause damage to the leaves and fruit of pineapple plants. Scales are small insects that can infest pineapple plants and cause damage by sucking sap from the leaves and stems.