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Match List -I with List - II.

List -I List - II
(a) Cristae  (i) Primary construction in chromosome.
(b) Thylakoids (ii) Disc - shaped sacs in Golgi appartus
(c) Centromere (iii) Infoldings in mitochondria
(d) Cisternae (iv) Flattered membranes sacs in stromn in plastids

Choose the correct answer from the options given below.

Option: 1

(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)


Option: 2

(a) - (i), (b) - (iv), (c) - (iii), (d) - (ii)


Option: 3

(a) - (iii), (b) - (iv), (c) - (i), (d) - (ii)


Option: 4

(a) - (ii), (b) - (iii), (c) - (iv), (d) - (i)


Answers (1)

best_answer

Cristae: Infoldings in mitochondria. To increase the capacity of the mitochondrion to synthesize ATP, the inner membrane of mitochondria is folded to form cristae. These folds allow a much greater amount of electron transport chain enzymes and ATP synthase to be packed into the mitochondrion.

 

Thylakoids: are membrane-bound compartments inside chloroplasts and cyanobacteria. They are the site of the light-dependent reactions of photosynthesis. Thylakoids consist of a thylakoid membrane surrounding a thylakoid lumen.

 

Centromere: Primary construction in chromosome.The two chromatids of chromosomes are attached to each other by a narrow area called centromere, also called primary constriction. This decides the ratio of arm length called centromeric index. 

 

Cisternae:  Disc - shaped sacs in Golgi appartus. These appear in the form of fla, curved, smooth membrane structures with swollen ends. They have a definite polarity. Their convex pole or proximal pole or cis face is associated with nuclear envelope. The concave pole or distal pole or trans face, is the oldest, which give rise to the secondary vesicles.

 

 

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