Match Column-l with Column-ll and select the correct cotion...

Match Column-l with Column-ll and select the correct cotion from the codes given below. Column-I Column-ll A. Amoeboid movement (i) Limbs B. Ciary movement (1) Leucocytes C Flage"ar movement (ii) Trachea D. Muselar movement (in) Spermatozoa A B C D (a) (ii) (1) (i) (w) (b) (ii) (ii) (iv) (i) (c) $(i)$ (ii) (iii) (iv) d) (ir) (i) (i) (iii)

Match Column-l with Column-ll and select the correct cotion from the codes given below. Column-I Column-ll
A. Amoeboid movement
(i) Limbs
B. Ciary movement
(1) Leucocytes
C Flage"ar movement
(ii) Trachea
D. Muselar movement
(in) Spermatozoa
A
B
C
D
(a) (ii)
(1)
(i)
(w)
(b) (ii)
(ii)
(iv)
(i)
(c) $(i)$
(ii)
(iii)
(iv)
d) (ir)
(i)
(i)
(iii)

Key Concepts

Muscular Movement

Muscular movement involves the contraction and relaxation of muscle fibers, an action facilitated by the sliding filament mechanism of actin and myosin. This coordinated process underlies the gross movements of the body in higher organisms, including locomotion, circulation, and other vital functions.

Flagellar Movement

Flagellar movement is defined by the use of a long, whip-like appendage known as a flagellum to generate motility. The undulating or rotational motion of the flagellum creates thrust, enabling cell propulsion in liquid environments, which is particularly important in sperm cells and various types of bacteria.

Ciliary Movement

Ciliary movement is characterized by the coordinated beating of numerous short, hair-like projections called cilia on a cell’s surface. This type of movement facilitates the propulsion of single-celled organisms and the movement of fluids across the epithelial tissues in multicellular organisms, playing a vital role in feeding and respiratory processes.

Amoeboid Movement

Amoeboid movement is a form of locomotion in which a cell moves by extending and retracting pseudopodia. This process involves continuous remodeling of the cytoskeleton, particularly actin filaments, allowing the cell to change its shape and crawl along surfaces, a characteristic observed in amoebas and certain immune cells.

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