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21
Carrot broth method is used for mass multiplication of
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Answer & Solution
Answer: Option B
Solution:
Carrot broth method is used for mass multiplication of Green muscardine fungus.
Carrot Broth One-Step is a selective and differential medium that is intended for the detection of Group B Streptococcus.
Green muscardine disease is the presentation of a fungal infection of insects caused by members of the Metarhizium or Nomuraea species.
Carrot roots were selected for mass production of mycorrhizal spores among tomato, potato, sweet potato, soybean, amaranths and carrots through the root organ culturing method.
22
Example of an insect order in which nymphs are called naids
Discuss
Answer & Solution
Answer: Option B
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.
23
In insects the 1st pair of post oral appendages are
Discuss
Answer & Solution
Answer: Option C
Solution:
In insects the 1st 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.
24
Atropine is alan
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Answer & Solution
Answer: Option C
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.
25
Dasineura lini is the pest of
Discuss
Answer & Solution
Answer: Option C
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.
26
Paedogenesis is basically a type of
Discuss
Answer & Solution
Answer: Option B
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.
27
Nibbling of rice earhead and defoliation leaving midrib in rice is caused by
Discuss
Answer & Solution
Answer: Option A
Solution:
Nibbling of rice earhead and defoliation leaving midrib in rice is caused by Hieroglyphus banian (rice grass hopper).
Rice grasshopper is an important pest of rice. It causes heavy damage to nurseries and reduces yield. Adults are about the size of your little finger. The body is a shiny greenish yellow colour with three black lines on its upper side.
28
Silk gland is a modified part of labial gland and . . . . . . . . in origin.
Discuss
Answer & Solution
Answer: Option A
Solution:
Silk gland is a modified part of labial gland and Ectodermal in origin.
In lepidopteron larvae, the silk thread of the cocoon is secreted by a pair of silk glands which are modified labial glands. Silk gland is ectodermal in origin and lies on the lateral side of the gut.
29
Sudden trapping is used for
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Answer & Solution
Answer: Option B
Solution:
Sudden trapping is used for Collembola.
Insect traps are used to monitor or directly reduce populations of insects or other arthropods, by trapping individuals and killing them.
Collembola form the largest of the three lineages of modern hexapods that are no longer considered insects. Collembolans are omnivorous, free-living organisms that prefer moist conditions. They do not directly engage in the decomposition of organic matter but contribute to it indirectly through the fragmentation of organic matter and the control of soil microbial communities.
30
Number of nymphal stages is Acarina is
Discuss
Answer & Solution
Answer: Option D
Solution:
Number of nymphal stages is Acarina is 3.
The order Acarina, including mites and ticks, contains numerous economically and medically important species that are parasitic on humans, domesticated or hunted animals, and crops, food, etc.
The Ixodidae may have only one nymphal stage, while the Argasidae may have as many as eight. Some Prostigmata develops directly from egg to larviform adults, while others have from one to three nymphal stages.