Agricultural Entomology - Study Mode

[#536] The national animal of India is
Correct Answer

(A) Panthera tigris

Explanation

Solution: The national animal of India is Panthera tigris. The magnificent tiger, Panthera tigris is a striped animal. It has a thick yellow coat of fur with dark stripes. The combination of grace, strength, agility, and enormous power has earned the tiger its pride in place as the national animal of India. The Bengal Tiger was declared the National Animal of India in April 1973, with the initiation of Project Tiger, to protect the tigers in India.

[#537] The infested region on bark turns into pink colour and pink colour encrustation on apple fruits are tile characteristic damage symptoms of
Correct Answer

(B) San Jose Scale (Quadraspidiotus perniciosus)

Explanation

Solution: The infested region on the bark turns pink colour and pink colour encrustation on apple fruits are tile characteristic damage symptoms of San Jose Scale (Quadraspidiotus perniciosus). The San Jose scale (Quadraspidiotus perniciosus) is a hemipterous insect in the family of Diaspididae. It is an agricultural pest as it causes damage and crop losses to many fruit crops. The body of the adult female is yellow and is covered with a rounded dark gray scale up to two millimetres in diameter. This species is found in both temperate and subtropical climates. It infests about two hundred different species of host plants, mostly deciduous trees and bushes. It is found on the trunks, branches, twigs, leaves and fruits of the plant.

[#538] In termites trail pheromone is produced from
Correct Answer

(B) Sternal Glands

Explanation

Solution: In termites trail pheromone is produced from Sternal Glands. In termites, the sternal glands are known to secrete trail-following pheromones in neuter castes and sex-pheromone in some adults. The sternal gland discharges pheromones when it presses against a substance. There is a chemical in ballpoint pen ink that is similar in composition to the trail-following pheromones, called 2-phenoxyethanol.

[#539] Pink boll worm is a serious pest of :
Correct Answer

(B) Cotton

Explanation

Solution: Pink boll worm is a serious pest of Cotton. Pink bollworm is a major pest of cotton in southern California deserts. While established in the San Joaquin Valley, economic infestations have not occurred in this area. Adults are small, grayish brown, inconspicuous moths. When their wings are folded, they have an elongated slender appearance.

[#540] Piercing and sucking type of mouth parts are found in
Correct Answer

(C) Mustard aphid

Explanation

Solution: Piercing and sucking types of mouth parts are found in Mustard aphids. These types of mouth parts are suitable for piercing the skin of animals or plants and sucking blood or fluid. They are found in mosquitoes, sand flies, biting midges, bugs and lice. In mosquitoes and sand flies, all pieces of mouth parts are narrow and elongated to form a proboscis.