AGR1050-ABED_1: Section 1 Think About It! | MoodleHUB 🎓

Glossary

Self - Check Questions

Test your knowledge of the contents of Section 1 by thinking about whether these statements are true or false.

For each false statement, think of a correction to make it true.

1. Hybridization of plants is usually done by cross-pollination.

True.

2. Hybridization is the most frequently used plant breeding technique, used by plant breeders.

True.

3. In vitro cultivation of plant cells is hardly ever successful because only very few plant cells have the ability to regenerate a whole plant.

False. Many plants have the ability to regenerate a whole plant.

4. Genetic modification of plants can consist of the transfer of genes only between plants of the same purebred line.

False. In principle, genes can be transferred between any organisms, including plants, animals, bacteria, fungi, and viruses.

5. The nutritional value of fruits of genetically engineered plants is always superior to the fruits of the original plants.

False. Although this is not certain, at least one study has shown that the nutritional value might actually be less.

6. Studies have clearly show that genetically modified plants have a negative impact on the ecology of the region in which they are grown.

True. This is an area of concern; some countries in Europe have banned the planting of a genetically modified corn.

7. Plant cuttings used for plant propagation purposes are usually taken from the flowers and fruits of plants.

False. Plant cuttings are taken from the vegetative plant parts, namely the roots, stems, and leaves.