Agricultural Entomology - Study Mode

[#116] Example of an insect order in which nymphs are called naids
Correct Answer

(B) Odonata

Explanation

Solution: Example of an insect order in which nymphs are called naids is Odonata. Odonata is an order of flying insects that includes dragonflies and damselflies. All Odonata have aquatic larvae called naiads (nymphs), and all of them, larvae and adults, are carnivorous. The adults can land, but rarely walk. Their legs are specialized for catching prey. They are almost entirely insectivorous.

[#117] In insects the 1 st pair of post oral appendages are
Correct Answer

(C) Maxillae

Explanation

Solution: In insects the 1 st pair of post-oral appendages are Maxillae. Pair of structures called first maxillae, each consisting of a bladelike lacinia, a hoodlike galea, and a segmented palp bearing sense organ. The paired second maxillae are partly fused in the midline to form the lower lip or labium.

[#118] Atropine is alan
Correct Answer

(C) Antidote

Explanation

Solution: Atropine is alan Antidote. Atropine is the preferred antidote for immediate management of toxicity associated with nerve agents or other cholinergic syndromes. A large-scale exposure to a nerve agent or organophosphate insecticide might result in many victims presenting for care within a short period.

[#119] Dasineura lini is the pest of
Correct Answer

(C) Linseed

Explanation

Solution: Dasineura lini is the pest of Linseed. Dasineura is a genus of midges in the family Cecidomyiidae, some of which cause galls on plants such as Dasineura crataegi on hawthorn and Dasineura fraxinea on ash. Linseed crop is attacked by several insect pests at various phases of their growth. Among these linseed bud flies, Dasineura lini Barnes causes 88 percent grain yield losses and it is a key pest of linseed.

[#120] Paedogenesis is basically a type of
Correct Answer

(B) Parthenogenesis

Explanation

Solution: Paedogenesis is a type of Parthenogenesis. Paedogenesis, is reproduction by sexually mature larvae, usually without fertilization. The young may be eggs, such as are produced by Miastor, a genus of gall midge flies, or other larval forms, as in the case of some flukes. Parthenogenesis is also a form of reproduction in which an egg can develop into an embryo without being fertilized by a sperm. Thus, paedogenesis is a type of parthenogenesis.