Top 1000+ Solved Horticultural Science MCQ Questions Answer

From 811 to 825 of 884

Q. Bloosom end rot of tomato is due to

a. Infection/disease

b. Boron/ Ca. deficiency

c. Insect attack

d. Nutritional deficiency

  • b. Boron/ Ca. deficiency

Q. Vegetables belonging to the cross pollinated group is

a. Peas

b. Tomato

c. a & b

d. Cabbage

  • d. Cabbage

Q. White brinjals are commonly grown for:

a. Ornamental purpose

b. Salad purpose

c. a + b

d. None of these

  • a. Ornamental purpose

Q. Tunnels for vegetable forcing are categorized as

a. High type

b. Low type

c. Walk in type

d. All of these

  • d. All of these

Q. Storage life of vegetables increased by the use of GA spray at harvesting time

a. 50 ppm

b. 100 ppm

c. 200 ppm

d. None of above

  • a. 50 ppm

Q. Dormancy of seeds are broken by

a. GA

b. Ethylene

c. Water

d. None of above

  • a. GA

Q. Femaleness in cucumber is induced by :

a. GA

b. ABA

c. IBA

d. None of above

  • d. None of above

Q. Maleness in cucumber is induced by :

a. GA

b. ABA

c. IBA

d. None of above

  • a. GA

Q. Plants, protein, RNA, DNA contents are increased by

a. Auxins

b. Adenine

c. Cytokinins

d. None of above

  • c. Cytokinins

Q. Most of the cucurbits are:

a. Salt tolerant

b. Salt sensitive

c. a & b

d. None

  • a. Salt tolerant

Q. Most commonly used growth retardants are

a. Phosphon

b. MH

c. Caumarin

d. None of above

  • a. Phosphon

Q. Alar significantly increased fruit.

a. Size

b. Color

c. Weight

d. All of above

  • d. All of above

Q. In green plants light favour the formation of

a. Auxin

b. GA

c. ABA

d. IBA

  • a. Auxin

Q. Potato belongs to the family

a. Umbliferae

b. Cucribtacea

c. Solanaceae

d. Alliaceae

  • c. Solanaceae

Q. Parthenocarpic cucumber develops due to:

a. After pollination

b. Without pollination

c. None of above

d. a & b

  • b. Without pollination
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