71.
Match List-I with List-II and select the correct answer:
List-I List-II
a. Photosynthesis 1. Plasma membrane
b. Mineral uptake 2. Chloroplast
c. Respiration 3. Mitochondria
d. Protein synthesis 4. Ribosomes

73.
Consider the following statements regarding the ultrastructure of the nucleolus and choose the correct answer:
1. The matrix or pars amorpha of the nucleolus is heterogeneous
2. The chromatin is Feulgen positive
3. The fibrils, 80 - 100 A in diameter, contain RNA and are probably the precursors of the granules
4. Ribonucleoprotein granules make up the pars granulosa

74.
Certain segments of the chromosomes, or the entire chromosomes, are more condensed than the rest of the karyotype during various stages of the cell cycle. Such difference in thickening has been called

77.
The primary cell wall, in dicots, contains complex polysaccharides linked to each other and to the cellulose microfibrils by covalent linkages which include

80.
Which of the following groups are mitochondrial outer membrane enzymes?

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