Okra and Cole crops

Question No. 1 Marks +1 -0 Time

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What is the scientific name for Okra?

A. Cucumis melo
B. Solanum melongena
C. Abelmoschus esculentus
D. Lycopersicon esculentum

Question No. 2 Marks +1 -0 Time

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The primary pest responsible for boring into and damaging okra fruits is identified as what?

A. Mylabris pustulata
B. Earias vitella
C. Bemisia tabaci
D. Plutella xylostella

Question No. 3 Marks +1 -0 Time

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Which of the following is a known beetle pest of okra?

A. Athalia proxima lugens
B. Plusia orichalcea
C. Scirtothrips dorsalis
D. Mylabris pustulata

Question No. 4 Marks +1 -0 Time

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Yellow Vein Mosaic, a significant disease in okra, is caused by a virus. How is this virus transmitted between plants?

A. By aphids
B. By thrips
C. By white fly
D. Through the soil

Question No. 5 Marks +1 -0 Time

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What is the optimal seed rate for planting okra during the Kharif season?

A. 18-20 kg/ha
B. 5-7 kg/ha
C. 8-10 kg/ha
D. 12-15 kg/ha

Question No. 6 Marks +1 -0 Time

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For a spring-summer crop of okra, what is the recommended seed rate?

A. 8-10 kg/ha
B. 18-20 kg/ha
C. 25-30 kg/ha
D. 15-17 kg/ha

Question No. 7 Marks +1 -0 Time

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The okra variety 'Pusa Sawani' is particularly valued for what traits?

A. Resistance to fruit borer and early maturity
B. Day neutral and spineless fruits
C. High yield and drought tolerance
D. Resistance to white flies and long shelf life

Question No. 8 Marks +1 -0 Time

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If a farmer is facing a severe problem with white flies in their okra crop, which variety would be a suitable choice for cultivation?

A. Pusa Sawani
B. Prabhani Kranti
C. Pusa Mukhmali
D. Punjab Padmini

Question No. 9 Marks +1 -0 Time

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What does the term 'protogyny' signify in relation to Cole crops?

A. The plant produces both male and female flowers.
B. The male parts of the flower mature first.
C. The plant is self-pollinating.
D. The female parts of the flower mature before the male parts.

Question No. 10 Marks +1 -0 Time

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What is considered the most serious insect pest for all Cole crops?

A. Cabbage semi-looper (Plusia orichalcea)
B. Mustard saw fly (Athalia proxima lugens)
C. Diamond Back Moth (DBM) (Plutella xylostella)
D. Aphids

Question No. 11 Marks +1 -0 Time

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Club rot of cauliflower, which causes swollen and distorted roots, is due to which pathogen?

A. Albugo candida
B. Erwinia carotovora
C. Plasmodiophora brassicae
D. Fusarium oxysporum

Question No. 12 Marks +1 -0 Time

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A farmer observes a soft, mushy, and foul-smelling decay on his cabbage heads. What is the likely disease?

A. Club rot
B. White rust
C. Downy Mildew
D. Curd rot/soft rot

Question No. 13 Marks +1 -0 Time

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The disease known as white rust or white blister on cruciferous plants is caused by what?

A. A virus
B. A bacterium
C. A fungus (Albugo candida)
D. A nematode

Question No. 14 Marks +1 -0 Time

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What reproductive characteristic is most common in the Cruciferae family, leading to a need for cross-pollination?

A. Protandry
B. Monoecy
C. Self-incompatibility
D. Dioecy

Question No. 15 Marks +1 -0 Time

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The unique, sharp flavor profile of Cole crops is attributed to the presence of which chemical compound?

A. Capsaicin
B. Indole-3-carbinol
C. Di-methyl tri-sulphide
D. Lycopene

Question No. 16 Marks +1 -0 Time

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What is the scientific name for the Diamond Back Moth?

A. Earias vitella
B. Bemisia tabaci
C. Plutella xylostella
D. Athalia proxima lugens

Question No. 17 Marks +1 -0 Time

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How does the larva of the Diamond Back Moth damage cabbage plants?

A. It bores into the stem.
B. It feeds on the roots causing galls.
C. It feeds on leaves and makes galleries in the head.
D. It sucks sap from the leaves causing yellowing.

Question No. 18 Marks +1 -0 Time

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What is the recommended management strategy for Diamond Back Moth (DBM) due to its high level of insecticide resistance?

A. Using trap crops like Indian mustard and alternating insecticide sprays.
B. Spraying a single, powerful insecticide repeatedly.
C. Increasing the dose of the currently used insecticide.
D. Only using cultural methods like crop rotation.

Question No. 19 Marks +1 -0 Time

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The Mustard saw fly (Athalia proxima lugens) is a pest of Cole crops belonging to which unique insect order?

A. Lepidoptera
B. Coleoptera
C. Hymenoptera
D. Diptera

Question No. 20 Marks +1 -0 Time

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What is the scientific classification for Cabbage?

A. Brassica oleracea var. italica
B. Brassica rapa
C. Brassica oleracea var. capitata
D. Brassica juncea

Question No. 21 Marks +1 -0 Time

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Cabbage contains a compound called Indole-3-carbinol, which is associated with what health benefit?

A. Improving vision
B. Anticancer property
C. Lowering blood pressure
D. Boosting immunity

Question No. 22 Marks +1 -0 Time

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Under which soil condition does the incidence of club root of cabbage become most severe?

A. Alkaline soil (pH 8.0)
B. Neutral soil (pH 7.0)
C. Slightly acidic soil (pH 6.5)
D. Highly acidic soil (pH 5.7)

Question No. 23 Marks +1 -0 Time

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While the marketable part of a cabbage is known as the 'head', what is its botanical fruit type?

A. Legume
B. Berry
C. Siliqua
D. Capsule

Question No. 24 Marks +1 -0 Time

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What is the standard seed requirement for cultivating one hectare of cabbage?

A. 1.0-1.5 kg
B. 500-750g
C. 2.0-2.5 kg
D. 250g

Question No. 25 Marks +1 -0 Time

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Which early and round-headed cabbage variety is mentioned in the list?

A. Golden Acre
B. Pusa Drumhead
C. Copenhagen Market
D. Pride of India

Question No. 26 Marks +1 -0 Time

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The hybrid cabbage 'Pusa Mukta' is specifically bred for its resistance to which disease?

A. Black leg
B. Black rot
C. Club root
D. White rust

Question No. 27 Marks +1 -0 Time

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A farmer is looking for a cabbage hybrid that is resistant to black leg. Which variety should he choose?

A. Pusa Sambandh
B. Pusa Mukta
C. Pusa Drumhead
D. Golden Acre

Question No. 28 Marks +1 -0 Time

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What is the primary feeding behavior of the Cabbage semi-looper (Plusia orichalcea) larva?

A. It feeds on the plant's roots.
B. It tunnels inside the cabbage head.
C. It is a defoliator, feeding on the leaves.
D. It sucks sap from the stem.

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