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Past Questions — 2021

LDE (other) • 2021 • Paper-I

Optimum spacing of mulberry planting under rainfed condition is:

A) 40 × 40cm
B) 60 × 60cm
C) 90 × 90cm
D) 120 × 120cm
This follows the standard mulberry/sericulture cultivation recommendation for the stated condition.
LDE (other) • 2021 • Paper-I

The female larva has a pair of sex marks on the ventral side of the 8th and 9th abdominal segments called:

A) Bursa copulatrix
B) Herold’s gland
C) Ishiwata’s fore glands
D) Seminal duct
The paired sex marks are associated with Ishiwata's fore glands.
LDE (other) • 2021 • Paper-I

The casting off its skin by silkworm is called:

A) moulding
B) mounting
C) moulting
D) voltinism
Casting off the larval skin is moulting.
LDE (other) • 2021 • Paper-I

The common organic manure used in mulberry garden is:

A) Neem oil cake
B) Silkworm litter
C) Mulberry twigs
D) FYM and compost
This follows the standard mulberry/sericulture cultivation recommendation for the stated condition.
LDE (other) • 2021 • Paper-I

The maximum distance to be covered during transportation of young age silkworm is about __________ journey:

A) 3 hours
B) 5 hours
C) 8 hours
D) 12 hours
This is the standard sericulture/agronomic practice for the condition stated.
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