Saleha Pervez, Mansi Garg and, Poonam Singh Solutions for Chapter: Cell Biology, Exercise 1: Self Check

Consider the following statements regarding the inner membrane of the mitochondria.

I. It keeps a high concentration of $H^{+}$ in the intermembrane space.

II. It helps to arrange the different molecules of the electron transport chain in the right order.

III. It has proteins and phospholipids.

Which of the statements given above are correct?

Consider the following statements:

I. Fatty acids should be a part of the balanced human diet.

II. The human body cells cannot synthesize some fatty acids.

Which of the statements given above is/are correct?

Consider the following statements:

$1$. Milk contains none of the vitamin B.

$2$. Vitamin-A (retinol) deficiency leads to dry and scaly skin.

$3$. One of the symptoms of scurvy is pain in the joints.

$4$. Vitamin-B (thiamine) deficiency can lead to heart failure.

Which one of the following statements is not correct?

Consider the following statements:

I. Unsaturated fats are more reactive when compared to saturated fats.

II. Unsaturated fats have the only single bond in their structure.

Which of the statements given above is/are correct?

The plasma membrane is the covering of the cell and responsible for the transport of a substance across the cell. It is made up of lipid and protein in the form of _____.

Consider the following statements:

I. Prokaryotic cells have a primitive nucleus (without a nuclear membrane).

II. Eukaryotic cells have a true nucleus (with nuclear membrane).

Which of the following option is correct?

Which of the following statement is correct about cell divisions?

Consider the following statements:

I. The chloroplast is involved in photosynthesis.

II. Mitochondria are considered as a powerhouse of the cell.

III. Ribosomes are involved in water movement in the cell.

Which of the following option is correct?