Answer Key and Explanation for SHDO Model Questions

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

Answer Key

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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 crops11.18
Vegetable crops14.04
Flower crops (loose and cut)17.56
Spices crops6.63

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

Bilaspur0.046 ‘000 MT
Mungeli0.052 ‘000 MT
Gaurella-Pendra-Marwahi0.053 ‘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.

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