Agricultural Entomology - Study Mode

[#386] Which insect has evolved resistance to Bt in open field population?
Correct Answer

(B) Diamond back moth

Explanation

Solution: Diamond back moth insect has evolved resistance to Bt in open field populations. The diamondback moth (Plutella xylostella), sometimes called the cabbage moth, is a moth species of the family Plutellidae and genus Plutella. The small, grayish-brown moth sometimes has a cream-colored band that forms a diamond along its back. Other insects such as diamondback moth, Plutella xylostella, and cabbage looper, Trichoplusia ni, have evolved resistance to Bt sprays in the open field and green houses, respectively.

[#387] In India Genetic Engineering Approval Committee (GEAC) is responsible for monitoring of GM crops come under ministry of
Correct Answer

(B) Environment and Forests

Explanation

Solution: In India Genetic Engineering Approval Committee (GEAC) is responsible for monitoring GM crops that come under Ministry of Environment and Forests. The top biotech regulator in India is Genetic Engineering Appraisal Committee (GEAC). The committee functions as a statutory body under the Environment Protection Act 1986 of the Ministry of Environment & Forests (MoEF). GEAC has not ordered mandatory testing of Genetically Modified Packed Food being sold in the country.

[#388] Heterodera delvi is parasitic on which crop?
Correct Answer

(B) Ragi

Explanation

Solution: Heterodera delvi is parasitic on Ragi crop. Heterodera delvii (cereal cyst nematode) is a plant pathogenic nematode, that is cited as an invasive species. Heterodera delvii n. sp. was found attacking ragi plants in Bangalore, India. Mature females, cysts, and second-stage juveniles have been described. Males were not observed.

[#389] National malaria eradication program started in year
Correct Answer

(B) 1953

Explanation

Solution: The national malaria eradication program started in the year 1953. In 1953, the Government of India launched the National Malaria Control Programme (NMCP) with a focus on indoor residual spraying of DDT. Within five years, the program helped to dramatically reduce the annual incidence of malaria. To combat the devastating effects of Malaria, the National Malaria Control Programme (NMCP) was launched and built around three key activities that are insecticidal residual spray (IRS) with DDT, monitoring and surveillance of cases and treatment of patients.

[#390] Shantung silk is obtained from
Correct Answer

(C) Antheraea perneyi

Explanation

Solution: Shantung silk is obtained from Antheraea perneyi. Antheraea pernyi, the Chinese (oak) tussar moth, Chinese tasar moth, or temperate tussar moth, is a large moth in the family Saturniidae. This silkworm is raised in China for its silk. It is referred to as tussah, Chinese tussah, oak tussah, or temperate tussah. It is the source of tussah spinning fiber that is used in the West. Silk Shantung fabric is woven in a plain style weave with silk fibers harvested from the mulberry silkworm.