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Agril Entomology-6

Q.1
Father of insect physiology is_________.

Snodgrass
R.H. Painter
Wigglesworth


Q.2
Sequence of different layers of insect integument from outside is _________.
Epicuticle - Exocuticle - Mesocuticle - Endocutilce – Epidermis- ¬Basement membrane
Epicuticle - Endocuticle - Mesocuticle - Exocutilce – Epidermis- ¬Basement membrane
Exocuticle - Epicuticle - Mesocuticle - Endocutilce - Basement membrane – Epidermis


Q.3
Cuticle forms the inner lining of___________.
Fore and hind gut
Trachea
Reproductive tract


Q.4
Which of the following is a precursor for ecdysone?
Erosteroid
Cholesterol
Methionine


Q.5
Ecdysone or moulting hormone is secreted by_________.
Pro thoracic gland
Carpora allata
Carpora cardiaca


Q.6
Juvenile hormone is secreted by___________.
Neurosecretary cells
Pro thoracic glands
Corpora allata

Q.7
The concentration of Juvenile hormone ________as the larvae becomes pupae.

Remains same
Decreases
Increases


Q.8
Socket producing cell is called________.
Trichogen cell
Tormogen cell
Oenocyte


Q.9
Which of the following is a uni - cellular integumentary outgrowth?
Scales
Setae
Both


Q.10
Which of the following is a chitin synthesis inhibitor?
Diflubenzuron
Teflubenzuron
Both


Q.11
Foregut is lined by__________.
Intima (cuticle)
Peritrophic membrane
Epithelium


Q.12
Proventriculus or Gizzard is a part of___________.
Foregut
Midgut
Filter Chamber


Q.13
The expanded portion of the foregut just posterior to the esophagus is__________.
Proventriculus
Crop
Ventriculus


Q.14
Mid gut is ____________ in origin.
Ectoderm
Endoderm
Mesoderm


Q.15
Pertrophic membrane is present in__________.
Fore gut
Mid gut
Hind gut


Q.16
Proctodaeum is also called as_______.
Foregut
Mid gut
Hind gut


Q.17
Alimentary canal is longer in__________.
Carnivorous
Phyto phagous insects
Parasites


Q.18
The parts involved in the formation of filter chamber are anterior ends of________.
Mid and hind gut
Fore and mid gut
Fore and hind gut


Q.19
Filter chamber is present in__________.
Homoptera
Thysenoptera
Diptera


Q.20
Extra intestinal digestion is present in_________.
Phytophagous insects
Predators
Parasites


Q.21
Salivary glands are also called_________.
Mandibular glands
Maxillary glands
Labial glands


Q.22
The anterior thoracic portion of dorsal vessel is called______.
Aorta
Heart
Pulsatory organ


Q.23
The type of haemocytes which are responsible for the production of other type of heamocytes_____________.
Prohaemocytes
Cystocytes
Plasmatocytes


Q.24
A respiratory system in which all ten pairs of spiracles are functional is called______.
Holopneustic
Hemipneustic
Propneustic


Q.25
A respiratory system in which all spiracles are non functional is called_______.
Holopneustic
Hemipneustic
Aneustic

Number of score out of 25 = Score in percentage =


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