Two are true, one is not

Exercise and reference answers

Questions

1. False statement

   Water is about 20 percent of the weight of a plant.

   Statements

   1. Water is about 20 percent of the weight of a plant.
   2. Plants need light, water and about 20 elements to live.
   3. Carbon is about half the dry weight of a plant cell.

2. False statement

   A sand particle is smaller than a clay particle.

   Statements

   1. Humus is the organic material of a soil.
   2. A sand particle is smaller than a clay particle.
   3. A loam has no dominant particle size.

3. False statement

   An epiphyte feeds on the plant it grows upon.

   Statements

   1. A holoparasite carries no chlorophyll of its own.
   2. A hemiparasite still photosynthesises for itself.
   3. An epiphyte feeds on the plant it grows upon.

Instructions

Tap the false statement in each set of three.

Explanation