Horticulture MCQ Question and Answer | Agriculture MCQ Question

Answer: Option D

Benzyl adenine is not an anti-gibberellin or growth retardant. It is a first-generation synthetic cytokinin that elicits plant growth and development responses, setting blossoms and stimulating fruit richness by stimulating cell division. It is an inhibitor of respiratory kinase in plants.
Gibberellin is a plant hormone found in seeds, young leaves and roots that cause excessive growth.

Answer: Option D

Strawberry is the fruit that starts bearing fruit within one year of planting. It does not take years to bear fruits which means it starts fruiting the year it is planted or grown from seeds.
Fruit is typically ready for harvesting 4 - 6 weeks after blossoming.
Strawberry fruit is considered an ‘accessory fruit’ and is not a true berry.

Answer: Option A

Fruits are blanched before canning at 80°C.
Blanching foods helps reduce quality loss over time.
Blanching is scalding vegetables and fruits in boiling water or steam for a short time. It is typically followed by quick, thorough cooling in very cold or ice water. Blanching stops enzyme actions which otherwise cause loss of flavour, colour and texture.

Answer: Option A

In 1900, the potato moth came into India (Bombay) from Italy. By the mid 1900s, potato moths became widely distributed in all potato regions in India.
A potato moth is scientifically known as Phthorimaea opercula. It is an oligophagous insect that feeds on the plant family Solanaceae.
Potato tuber moth larvae are known for feeding on the tubers, roots and foliage of potato plants.

Answer: Option C

Treatment to get rid of fruit flies in mango is VHT.
VHT is the vapour heat treatment system for steadily killing eggs and larvae of fruit flies parasite inside the fruit with vapour and heat without injuring fresh fruits.
This machine is capable of sterilization of a large volume of fresh fruit per use.