Which one of the following brinjal wild species is immune to...

All Subjects History, Culture & Heritage of Rajasthan Geography, Natural Resources & Socio-Economic Development of Rajasthan Fruit Production Vegetable Production Seed Production Propagation and Nursery Management Floriculture and Ornamental Gardening Spice Crops Production Breeding of Vegetable Crops Post Harvest Technology of Horticultural Crops

Q.41

RPSC Agriculture Research Officer (Horticulture) - 2022

MCQ (Single Correct) +1 −0.33

The major constituent of volatile oil of coriander is -

धनिये के वाष्पशील तेल का प्रमुख अवयव है -

Cuminol क्यूमिनोल Thymol थायमोल Linalool लीनालूल Eugenol यूजेनोल

Q.42

RPSC Agriculture Research Officer (Horticulture) - 2022

MCQ (Single Correct) +1 −0.33

Which one of the following brinjal wild species is immune to little leaf disease?

बैंगन की

निम्नलिखित में से कौन-सी जंगली प्रजाति छोटी पत्ती रोग से प्रतिरक्षित है?

Solanum auriculatum सोलनम औरिकुलेटम Solanum torvum सोलनम टोर्वम Solanum khasianum सोलनम खासियानम Solanum incanum सोलनम इनकैनम

Solanum auriculatum has been identified in vegetable breeding as completely immune to the little leaf phytoplasma disease transmitted by the leafhopper Hishimonus phycitis.

Solanum auriculatum: Confirmed source of complete immunity against brinjal little leaf disease used in wide hybridization programs.
Solanum torvum: Resistant to verticillium wilt, bacterial wilt, and root-knot nematode, but susceptible to little leaf.
Solanum khasianum: Known for high solasodine alkaloid content.
Solanum incanum: Wild ancestor of brinjal, susceptible to phytoplasma.

Hence, the correct option is (A).

बैंगन की जंगली प्रजाति 'सोलनम औरिकुलेटम' (Solanum auriculatum) छोटी पत्ती (Little leaf) फाइटोप्लाज्मा रोग के प्रति पूर्णतः प्रतिरक्षित (Immune) पाई गई है।

सोलनम औरिकुलेटम: यह लीफहॉपर द्वारा फैलने वाले लिटिल लीफ रोग के प्रति प्रतिरोधी प्रजनन का प्रमुख स्रोत है।
सोलनम टोर्वम: यह जीवाणु उकठा और सूत्रकृमि के प्रति प्रतिरोधी मूलवृंत है।
सोलनम खासियानम: यह सोलासोडाइन क्षारीय तत्व हेतु प्रसिद्ध है।
सोलनम इनकैनम: यह जंगली बैंगन है जो इस रोग के प्रति सुग्राही है।

अतः सही विकल्प (A) है।

Explanation not matching this question? क्या व्याख्या इस प्रश्न से मेल नहीं खा रही? Report

Q.43

RPSC Agriculture Research Officer (Horticulture) - 2022

MCQ (Single Correct) +1 −0.33

Place of origin of Cinnamon is -

दालचीनी का उत्पत्ति स्थल है -

India भारत Sri Lanka श्रीलंका China चीन Nepal नेपाल

Q.44

RPSC Agriculture Research Officer (Horticulture) - 2022

MCQ (Single Correct) +1 −0.33

The family of turmeric is -

हल्दी का कुल है -

Apiaceae एपिएसी Myrtaceae मायर्टेसी Zingiberaceae जिंजीबरेसी Fabaceae फैबेसी

Q.45

RPSC Agriculture Research Officer (Horticulture) - 2022

MCQ (Single Correct) +1 −0.33

Which crop is a good source of 'Vitamin C'?

निम्न में से 'विटामिन सी' किसमें अधिक है?

Beet leaf देशी पालक Spinach विलायती पालक Fenugreek मेथी Amaranthus चौलाई

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Fruit Production 21
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Seed Production 6
Propagation and Nursery Management 13
Floriculture and Ornamental Gardening 20
Spice Crops Production 12
Breeding of Vegetable Crops 10
Post Harvest Technology of Horticultural Crops 21

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