Reproduction in Plants

Question 1

What is a diploid cell?

Answer 1

Cell has two sets of chromosomes.
Has chromosomes from two haploid cells

Question 2

What is a haploid cell?

Answer 2

Cell has one set of chromosomes. Combines with another haploid cell to make a diploic cell
Has half the number of chromosomes than a normal body cell ie stomatic cell

Question 3

Examples of wind dispersal?

Question 4

Examples of water dispersal?

Question 5

Importance of wind dispersal?

Answer 5

Large surface area
Wing, air bladder, feathery, hairy
Allows plant to colonize new areas
Reduces competition for food and shelter

Question 6

Importance of water dispersal?

Question 7

Environmental conditions that effect the germination of seeds?

Answer 7

Water:
softening of testa
Activation of enzymes
Solvent

Oxygen:
Repsiration
Energy from respiration for growth

Temperature:
Enzyme action
Break down food stores
Used in respiration