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