1391. The estrogenic hormones are secreted by :
A. An anterior lobe of the pituitary
B. The posterior love the pituitary
C. The follicle
D. The Corpus luteum *
1392. _______ is a condition in which the number of cells is constantly both for the entire animal and for each given organ in all the animals of that species :
A. Protandry
B. Eutely *
C. Syngammy
D. None of the above
1393. Brachioradialis caused by the uplift of :
A. Ulna
B. Radius *
C. Both A and B
D. Humerus
1394. Indirect flight muscles of insects are frequently called as :
A. Dorsoventral muscles
B. Basalar muscles
C. Longitudinal muscles
D. Fibrillar flight muscles *
1395. Compound eyes of an insect consist of a few to 28,000 receptors called as :
A. Maconium
B. Pentastomida
C. Ommatidia *
D. None of the above
1396. Internally, tube feet usually terminate in a bulblike muscular _______.
A. Polian vessicle
B. Madreporite
C. Ampulla *
D. Tiedmann bodies
1397. In fitter feeders like paddlefish and whale sharks long gill process called ________ trap plankton while the fish is swimming through the water with its mouth open
A. Gill Book
B. Lamellea
C. Gill rackers*
D. None of the above
1398. All organisms produce weak electrical fields from the activities of :
A. Nerve
B. Muscles
C. Brain
D. Both A and B *
1399. The organs for producing electrical currents are in the _________ of the electrical eel
A. Trunk *
B. Head
C. Tail
D. Petoral fins
1400. The sting of ants/warps contains ___:
A. Formine acid *
B. Melittin
C. Hyaluronic
D. None of the above