Science Coordinate 0654: B2. Cells Topical Past Paper Questions

Water moves through a plant from the roots to the leaves. (a) Water enters the roots by osmosis. Describe osmosis. Use ideas about water potential. [2] (b) Water moves from cells in the root through the stem to the leaf. Complete the flow chart to show the movement of water throu…

(a) Active transport is used in the uptake of mineral ions from the soil into the root hair cells. (i) Define active transport. [2] (b) A student investigates the effect of different concentrations of salt solution on plant tissue. The student cuts pieces of carrot to the same si…

(a) Fig. 1.1 is a diagram of the male reproductive system in humans. Fig. 1.1 State the letter from Fig. 1.1 that identifies the part: that is a tube transporting excretory products ..... that secretes fluid for the formation of semen ..... where meiosis occurs. ..... (b) Fig. 1.…