I. | Robert Hooke first used the word cell to name the microscopic honeycomb cavities in cork. |
II. | Anton Von Leeuwenhoek first saw and described a living cell. |
III. | Robert Brown discovered the nucleus. |
IV. | George Palade first observed centrosomes in animal cells. |
1. | I and II only | 2. | Only I, II and III |
3. | Only III and IV | 4. | I, II, III and IV |
Column I | Column II | ||
A | Chloroplasts | P | Oxidative Phosphorylation |
B | Mitochondria | Q | Photophosphorylation |
C | Golgi Apparatus | R | Synthesis of glycoproteins and glycolipids |
D | Ribosomes | S | Peptide synthesis |
A | B | C | D | |
1. | P | Q | R | S |
2. | Q | P | R | S |
3. | Q | P | S | R |
4. | P | Q | S | R |
1. | Mitochondria - produce cellular energy in the form of ATP |
2. | Golgi body - provides packaging material |
3. | Lysosomes - secrete hydrolytic enzymes |
4. | Endoplasmic reticulum - synthesis of lipids |
1. | a layer present between cell wall and membrane of bacteria |
2. | cell wall of bacteria |
3. | bacterial cell glyco-engineered to possess N-glycosylated proteins |
4. | a layer surrounding the cell wall of bacteria |