Advertisements
Advertisements
प्रश्न
Distinguish between the following pairs of science :
Cell wall and cell membrane
Advertisements
उत्तर
| Cell wall | Cell membrane |
| (i) It is a non-living rigid layer. | (i) It is a living, thin, flexible membrane. |
| (ii) It is made of cellulose. | (ii) It is made of lipoproteins. |
| (iii) It is freely permeable. | (iii) It is semi-permeable. |
APPEARS IN
संबंधित प्रश्न
Write names of cell organelles.
What are centrioles? Write about their functions.
Who gives me the colour? (Select the correct option)
| a. Red tomato | 1. Chlorophyll |
| b. Green leaf | 2. Carotene |
| c. Carrot | 3. Anthocyanin |
| d. Violet | 4. Lycopene |
State whether the following statement is true (T) or False (F):
All animal cells contain a cell wall.
Fill in the blanks :
__________ is a plastid which stores starch.
Distinguish between the following pairs of terms :
Centrosome and chromosome
Put a tick mark (✓) against the correct alternative in the following statement:
The organelle that controls all activities in
Write true or false for each statement. Rewrite the false statements correctly:
A mitochondrion is bound by two membranes
Write true or false for each statement. Rewrite the false statements correctly:
Vacuoles are filled with a fluid called nucleoplasm
Give two examples of cell organelles.
