Home / iGCSE Biology (0610)-14.5 Tropic responses – iGCSE Style Questions Paper 3

iGCSE Biology (0610)-14.5 Tropic responses – iGCSE Style Questions Paper 3

Question

The boxes on the left contain the names of some processes taking place in living organisms.
     The boxes on the right contain descriptions of these processes.
     Draw one straight line from each box on the left to a box on the right to link the name of the
     process with its description.
     An example has been done for you.

     

Answer/Explanation

Ans

   

Question

(a) Fig. 4.1 is a diagram of a plant cell.

Identify the parts of the plant cell in Fig. 4.1 by labelling them in the spaces provided, using words from the list.

cell membrane                      cell wall                             chloroplast

cytoplasm                                nucleus                               vacuole

(b) The boxes on the left show parts of a plant cell.

The boxes on the right show the functions of the parts.

Draw lines to link each part with its function. Draw four lines.

(c) Xylem is a specialised plant tissue.

State two functions of xylem tissue.

1 ………………………………………………………………………………………………………………………………

2 ………………………………………………………………………………………………………………………………

(d) Plant shoots and roots respond to stimuli.

Fig. 4.2 is a photograph of a plant that has been grown in the dark.

The plant has been grown with the pot in this position and is showing a tropic response to this stimulus.

image

    1. State the name of the tropic response shown in Fig. 4.2.

……………………………………………………………………………………………………………………. [1]

    1. Describe how the roots would respond to the same stimulus

………………………………………………………………………………………………………………………….

………………………………………………………………………………………………………………………….

……………………………………………………………………………………………………………………. [1]

Answer/Explanation

Ans: (a) plant cell labelled from top to bottom: cell wall , cytoplasm ;chloroplast ; cell membrane  (b) (c) conduction / transport / transfer of, water / mineral ions (d)(i) gravitropism(ii) roots would grow downwards / AW ;

 

Scroll to Top