Agricultural Entomology - Study Mode

[#496] The process of pushing ventral surface of nematode embryo into the interior is known as
Correct Answer

(A) Epiboly

Explanation

Solution: The process of pushing the ventral surface of nematode embryo into the interior is known as Epiboly. Epiboly describes one of the five major types of cell movements that occur in the gastrulation stage of embryonic development of some organisms. It is the spreading and thinning of the ectoderm while the endoderm and mesoderm layers move to the inside of the embryo.

[#497] Newton hive is best suited for which type of honey bee species?
Correct Answer

(C) Apis cerana

Explanation

Solution: Newton hive is best suited for Apis cerana type of honey bee species. A smaller beehive called a Newton hive is used for Apis cerana. It is constructed in the same way with ten frames in each chamber, but the dimensions of both hive and frames are smaller than those of the Langstroth hive, as is appropriate for the smaller bees. Apis cerana, the eastern honey bee, Asiatic honey bee or Asian honey bee, is a species of honey bee native to South, Southeast and East Asia.

[#498] Electrodyne sprayer was discovered by
Correct Answer

(A) Coffee

Explanation

Solution: Electrodyne sprayer was discovered by Coffee. Electrodyne sprayer project water, and are used to kill weeds and destroy pests. By applying fertilizers, pesticides, and herbicides on crops electrodyne sprayers contribute to crop health and quality. A programme the investigation was started in mid-1977 in Spain into the performance of the 'Electrodyn' sprayer for the control of insect pests on cotton.

[#499] Painted bug belongs to the species
Correct Answer

(C) Bagrada cruciferorum

Explanation

Solution: Painted bugs belong to the species Bagrada cruciferorum. Bagrada hilaris is a species of shield bug known by the common names bagrada bug and painted bug. It could be mistaken for or erroneously referred to as harlequin bug. The adult bug is 5 to 7 millimeters in length, shield-shaped, and black with white and orange markings. The female, which is larger than the male, lays up to 100 oval or barrel-shaped eggs on leaves or in the soil beneath plants. The eggs are white when freshly deposited and turn orange over time. Within 8 days the first-instar nymph emerges. It is bright orange-red and turns darker as it develops, becoming black by the last instar.

[#500] Phylum-Mollusca is divided into
Correct Answer

(D) Six classes

Explanation

Solution: Phylum-Mollusca is divided into Six classes. Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks. The phylum is typically divided into six taxonomic classes, of which two are entirely extinct. Cephalopod molluscs, such as squid, cuttlefish, and octopuses, are among the most neurologically advanced of all invertebrates and either the giant squid or the colossal squid is the largest known invertebrate species. The gastropods (snails and slugs) are by far the most numerous molluscs and account for 80% of the total classified species.