Q. No.In eubacteria, a cellular component that resembles eukaryotic cells is
1. nucleus
2. ribosomes
3. cell wall
4. plasma membrane
Peptide synthesis inside a cell takes place in
1. mitochondria
2. chromoplast
3. ribosomes
4. chloroplast
Which one of the following structures between two adjacent cells is an effective transport
pathway?
| 1. | Plasmodesmata | 2. | Plastoquinones |
| 3. | Endoplasmic rcticulum | 4. | Plasmalemma |
Which one of the following has its own DNA?
1. Mitochondria
2. Dictyosome
3. Lysosome
4. Peroxisome
The main arena of various types of activities of a cell is
1. plasma membrane
2. mitochondrion
3. cytoplasm
4. nucleus
The plasma membrane consists mainly of
| 1. | phospholipids embedded in a protein bilayer |
| 2. | proteins embedded in a phospholipid bilayer |
| 3. | proteins embedded in a polymer of glucose molecules |
| 4. | proteins embedded in a carbohydrate bilayer |
Stroma in the chloroplasts of higher plants contains
1. light-independent reaction enzymes
2. light-dependent reaction enzymes
3. ribosomes
4. chlorophyll
Middle lamella is mainly composed of
1. hemicellulose
2. muramic acid
3. calcium pectate
4. phosphoglycerides
Plasmodesmata are
| 1. | lignified cemented layers between cells |
| 2. | locomotory structures |
| 3. | membranes connecting the nucleus with plasmalemma |
| 4. | connections between adjacent cells |
Cytoskeleton is made up of
1. calcium carbonate granules
2. callose deposits
3. cellulosic microfibrils
4. proteinaceous filaments
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