List of top Zoology Questions on locomotion and movement asked in AP EAPCET

Which type of locomotory structure is temporary and formed by cytoplasmic projection?

Assertion (A): In Euglena, forward movement is produced mainly by the effective stroke of the flagellum.
Reason (R): During the recovery stroke, the flagellum becomes stiff and pushes the body forward.

Study the following statements regarding contractile proteins of muscle. Identify the correct statements: I. Actin is a protein present in thin filament present in I-band of a sarcomere. II. Myosin forms the thick filament and contains ATPase activity in its tail region. III. Troponin binds calcium ions and helps in exposing the active sites on thin filament. IV. Tropomyosin actively hydrolyses ATP during muscle contraction.

Sarcoplasmic reticulum of the muscle fiber stores