Horticulture - Study Mode

[#646] Jasmine sambac is
Correct Answer

(C) Arabian jasmine

Explanation

Solution: Jasmine sambac is Arabian jasmine . It is a climbing, evergreen, shrub in the Oleaceae family, native to tropical parts of Asia. It is probably native to India or Southeast Asia where it is a broadleaf evergreen shrub. It is known for its continuous production of fragrant flowers during the warmer months of the year, jasmine plants are popular picks for the home and garden.

[#647] Irish famine was caused by
Correct Answer

(A) Phytopthora

Explanation

Solution: The Irish famine was caused by Phytophthora . Irish famine is also known as the Great Irish famine, which occurred in Ireland in 1845 - 49 when the potato crop failed in successive years. The crop failures were caused by late blight, a disease that destroys both the leaves and the edible roots, or tubers, of the potato plant. The causative agent of late blight is the water mold Phytophthora infestans .

[#648] . . . . . . . . plant hormone promotes the mechanism of apical dominance in plants.
Correct Answer

(D) Auxin

Explanation

Solution: Auxin is the plant hormone that promotes the mechanism of apical dominance in plants. It promotes apical dominance by suppressing the activity of lateral buds. Auxins are a group of naturally occurring and artificially synthesized plant hormones and play an important role in the regulation of plant growth. Auxin means ‘to enlarge’ and enhances cell division, elongation and differentiation, embryonic development, apical dominance and transition to flowering.

[#649] The pungency in radish is due to
Correct Answer

(C) Isothiocyanates

Explanation

Solution: The pungent flavor in Radish is due to the presence of Isothiocyanates . Isothiocyanates are the chemical group formed by substituting the oxygen in the isocyanate group with a Sulphur. It is the chemical group formed by substituting the oxygen in the isocyanate group with a Sulphur. Naturally, it is produced by enzymatic action and conversion of metabolites called glucosinolates. It is produced in cruciferous vegetables, like bok choy, broccoli, cabbage, cauliflower, radish, kale, etc.

[#650] International Federation of Organic Agriculture Movements (IFOAM) is located at
Correct Answer

(B) Bonn, Germany

Explanation

Solution: The International Federation of Organic Agriculture Movements (IFOAM) is located in Bonn, Germany . It is the worldwide umbrella organization for the organic agriculture movement, which represents close to 800 affiliates in 117 countries. It declares its mission is to, "Lead, unite and assist the organic movement in its full diversity." and its vision is the "worldwide adoption of ecologically, socially and economically sound systems, based on the Principles of Organic Agriculture."