| (i) Robert Brown discovered nucleus in the cells. |
| (ii) The plasma membrane is made up of a double layer of lipid molecules and protein molecules. |
| (iii) Chloroplast helps in osmoregulation and maintains the osmotic pressure in a cell. |
| (iv) Carbohydrates and fats are completely oxidised with the help of enzymes present in the mitochondria. |
A)
(i)
(ii)
(iii)
(iv)
T
T
F
F
B)
(i)
(ii)
(iii)
(iv)
T
T
F
T
C)
(i)
(ii)
(iii)
(iv)
T
F
T
T
D)
(i)
(ii)
(iii)
(iv)
T
F
F
T
Correct Answer: B
Solution :
Vacuole helps in osmoregulation and maintains the osmotic pressure in a cell.
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