Sec 2 / Exam - L1/ t1

Front

Symptoms of magnesium deficiency in plants:

Back

Leaves turn yellow.

Front

Roots absorb (NO3)- salts for making...

Back

proteins

Front

Element needed for plant protein synthesis:

Back

Nitrogen

Front

Cells needing ATP for transfer:

Back

Cell (A) only

Front

K+ concentration in swamp water: 1.2 x 10³ ion/liter. Concentration in Nitella cellular sap: ... ion/liter.

Back

2.1 x 10³

Front

Element (X) is not absorbed because...

Back

the plant doesn't need it

Front

The plant's absorption of element (Z) depends on...

Back

diffusion

Front

Plant absorption of element (Y) depends on...

Back

active transport

Front

Semi-permeable: allows only certain molecules to pass through a cell membrane.

Back

Only certain molecules can move freely across a cell membrane.

Front

Osmosis and diffusion:

Back

Osmosis = diffusion of water.