This page includes MCQ from horticulture, answer key explanation of SHDO Model Questions.

Answer Key

1.	b	6.	d
2.	c	7.	c
3.	b	8.	b
4.	a	9.	a
5.	d	10.	d

11.	a	16.	d
12.	c	17.	b
13.	d	18.	d
14.	c	19.	c
15.	d	20.	c

21.

c

22.

c

23.

d

24.

b

25.

d

Also read: SHDO: Senior Horticulture Development Officer

Explanations: 01-10

01: Flower crops (loose and cut) had the highest productivity during the 2020-21 season.

Fruit crops	11.18
Vegetable crops	14.04
Flower crops (loose and cut)	17.56
Spices crops	6.63

02: Gaurella-Pendra-Marwahi leads in spices crop production.

Bilaspur	0.046 ‘000 MT
Mungeli	0.052 ‘000 MT
Gaurella-Pendra-Marwahi	0.053 ‘000 MT

03: Somatic embryogenesis is adopted in mango.

In somatic embryogenesis, somatic cells differentiate to a totipotent embryonic cell. It has the ability to give rise to an embryo under appropriate conditions.

04: Solanum torvum, Solanum viarum and Solanum violaceum are the wild species of brinjal or eggplant. S. torvum is a highly potential rootstock of brinjal. It shows resistance against the wilt disease of the solanaceous crops.

05: The daily requirement of carotene for an adult is 3000 I.U.

06: Barbados cherry is the richest source of Vitamin C.

07: Both Carica papaya and Vasconcellea cundinamarcensis contain papain.

Some important points about papain are as follows:

• It is also known as papaya proteinase I.
• Papain belongs to papain-like protease family.
• It is extracted from raw fruits.

08: About Arka Suprabhat

• Cross between: Amrapali(Dashehari x Neelam) x Arka Anmol (Alphonso x Janardhan Pasand).
• Size: Medium vigorous.
• Type: Regular and bunch bearing.
• Yield: High yielding (35-40 kg/plant after 4 years of planting)
• Fruit weight: Ranged from 240-250g.
• Fruit shape: Just like Alphonso.
• Pulp colour: Just like Amrapali.
• Pulp recovery: More than 70%.
• TSS: More than 22°B.
• Acidity: 0.12%.
• Carotenoids: 8.35mg/100g FW.
• Flavonoids: 9.91 mg/100g FW
• Shelf life: 8-10 days at room temperature.

09: Pitaya is known as dragon fruit. It is a fruit crop which belongs to cacti family. Dragon fruit is horticultural importance plant.

10: Water is the best medium for the propagation of snake plant by leaves.

Explanations: 11-20

11: Solanum nigrum is the best rootstock for getting disease free tomato.

12: Rhynchostylis gigantea is the state flower of Chhattisgarh.

13: The edible parts of chow-chow are as follows

• Root
• Stem
• Seeds
• Leaves

14: The spacing for ivy gourd should be 3 m × 3 m.

15: About NHM

• Full form of NHM is National Horticulture Mission.
• NHM is sponsored by the Central Government.
• It was launched in 2005-06 under the 10th five-year plan.
• Central Government contributes 85% share.
• State government contributes 15% share.

16: Major institutes

Indian Institute of Horticultural Research(IIHR), Bangalore

Indian Institute of Vegetable Research(IIVR), Varanashi

Indian Institute of Spices Research(IISR), Calicut, Kerala

Central Institute of sub-tropical Horticulture(CISH), Lucknow

17: Advantages of a clonal orchard are as follows

• Uniform growth.
• Proper bearing habbit.
• Easy management.

18: Horticultural crops suitable for a nutrition garden

• Perennial vegetables.
• Fast growing fruits.
• Long duration vegetables like tapioca and elephant foot yam.

19: Brahma Kamal belongs to the family asteraceae.

20: Drying up of the juicy vesicles in fruit is known as citrus granulation.

Answer key: 21-25

21: According to the 2017 study of the ISE the average horticulture farmer household income grew to 78%. It was 0.73 lakh per annum to 1.30 lakh per annum from the introduction of NHM.

22: ADO or Agricultural Development Officer is not a post in the department of horticulture.

23: Palm-cola is a soft drink with 11% sugar.

24: The national average productivity of papaya is 75-100 tonnes per hectare.

25: Lal Bahadur Shastri Outstanding Young Scientist Award is given to talented young scientists from the following fields:

• Crop and Horticultural Sciences.
• Animal & Fisheries Sciences.
• Agricultural Engineering and Social Sciences.
• Natural Resources Management.