Q. No.Match the following and select the correct answer:
Column I
Column II
(a)
Centriole
(i)
Infoldings in mitochondria
(b)
Chlorophyll
(ii)
Thylakoids
(c)
Cristae
(iii)
Nucleic acids
(d)
Ribozymes
(iv)
Basal body of cilia or flagella
1. A-iv, B-ii, C-i, D-iii
2. A-i, B-ii, C-iv, D-iii
3. A-i, B-iii, C-ii, D-iv
4. A-iv, B-iii, C-i, D-ii
1. A-iv, B-ii, C-i, D-iii
1. Golgi apparatus, protein synthesis
2. Golgi apparatus, formation of glycolipids
3. Rough endoplasmic reticulum, protein synthesis
4. Rough endoplasmic reticulum, formation of glycoproteins
Which one of the following does not differ in E.coli and Chlamydomonas?
1. Ribosomes
2. Chromosomal organization
3. Cell wall
4. Cell membrane
Select the correct statement from the following regarding cell membrane:
| 1. | Na+ and K+ ions move across cell membranes by passive transport |
| 2. | Proteins make up 60% to 70% of the cell membrane |
| 3. | Lipids are arranged in a bilayer with polar heads towards the inner part |
| 4. | Fluid mosaic model of the cell membrane was proposed by Singer and Nicolson |
Which one of the following structures between two adjacent cells is an effective transport pathway?
1. Plasmodesmata
2. Plastoquinones
3. Endoplasmic reticulum
4. Plasmalemma
1. mitochondria
2. chromoplast
3. ribosomes
4. chloroplast
The cytoskeleton is made up of:
1. calcium carbonate granules
2. callose deposits
3. cellulosic microfibrils
4. proteinaceous filaments
1. Both lipids and proteins can flip-flop
2. While lipids can rarely flip-flop, proteins cannot
3. While proteins can flip-flop, lipids cannot
4. Neither lipids nor proteins can flip-flop
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