Agriculture MCQs

2794 MCQs  (Page 45 of 280)

Butterflies having wing coupling apparatus is__________________?
A. Overlapping
B. Jugum
C. Frenulum
D. Overlapping and jugum
Metalegs of worker honey bee is _____________________?
A. Antenna cleaner
B. Silk secreting
C. Cursorial
D. Pollen collecting
Tentorium is____________________?
A. Exoskeleton of head
B. Internal skeleton of head
C. Internal skeleton
D. None of the above
Function of epiculticle in insect is__________________?
A. Rigidly of body parts
B. Impermeability of water
C. Prevent evaporation
D. Impermeability of water and prevent evaporation
Function of endo cuticle is________________________?
A. Prevent evaporation
B. Rigidity of body parts
C. Extensiblity of integument and flexibility
D. Impermeability of water
Which hormone cause moulting in insect_________________?
A. Ecdysone
B. Juvenile
C. Activation hormone
D. None of the above