Horticulture - Study Mode

[#831] . . . . . . . . is termed as Anti-sterility vitamin.
Correct Answer

(D) Vitamin-E

Explanation

Solution: Vitamin E is termed an Anti-sterility vitamin. Vitamin E was first discovered by Evans and Bishop in 1922, and it was initially denoted as an “anti-sterility factor X” that was necessary for reproduction. Vitamin E has been well characterized as a powerful lipid-soluble antioxidant through extensive research. Vitamin E is known as anti-sterility vitamin or fertility vitamin. It is chemically called tocopherol. Vitamin E deficiency occurs rarely in adults. Vitamin E is used during testosterone synthesis.

[#832] Very high respiratory activity is seen in
Correct Answer

(C) Spinach

Explanation

Solution: Very high respiratory activity is seen in Spinach . Spinach is an annual, cool-season, green, leafy vegetable that is rich in health-promoting compounds, such as vitamins A and C and flavonoids. The respiration rates of spinach leaves during storage in a 14.69-l chamber with different amounts of O 2 per unit mass of spinach: O 2 consumption rate and CO 2 production rate. Spinach has relatively high respiration and water-loss rates, and is prone to tissue decay, microbial growth, and loss of nutrients, all of which lead to a low storage potential.

[#833] Cashewnut has originated from
Correct Answer

(C) Brazil

Explanation

Solution: Cashewnut originated from Brazil . Cashews originated in Brazil's northeast, the easternmost corner of South America. Portuguese missionaries took it to East Africa and India during the late 16 th century, where it became abundant at low altitudes near the seacoast. The Portuguese took it to Goa, India between 1560 and 1565. It is a tropical evergreen tree that produces the cashew seed and the cashew apple accessory fruit.

[#834] Grape fan leaf virus is transmitted by
Correct Answer

(B) Nematode

Explanation

Solution: Grape fan leaf virus is transmitted by Nematode . Grapevine fanleaf virus (GFLV) is a plant pathogenic virus of the family Secoviridae. It infects grapevines, causing chlorosis of the leaves and lowering the fruit quality. It is transmitted via a nematode vector, the Xiphinema index. This nematode acquires the virus by feeding on the roots of an infected plant and passes it on in the same manner. The host for Grapevine fanleaf virus or GFLV is the Vitis species. This includes V. vinifera, V. rupestris and hybrids.

[#835] The recommended storage temperature to extend the shelf life of banana is
Correct Answer

(C) 12° - 15°C

Explanation

Solution: The recommended storage temperature to extend the shelf life of bananas is 12° - 15°C. Keep them cool and protected from the light: Bananas should be stored at around 13°C, as they will ripen quicker if they are too warm. Bananas grow in hot climates, so they are unused to the cold. If they're kept at a cold temperature in the fridge, the enzymes that enable them to ripen are inhibited. And as those enzymes become inactive, other enzymes operate more efficiently. Some cause cell damage, while others (browning enzymes) cause the skin to blacken.