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4. Translate the following words and word combinations into Russian.

to produce flowers, seed production, in addition, reproduction process, a complete flower, incomplete flower, common cereals, corolla, stamens, reproduction, pollen grains, ovary, fertilization

5. Translatefrom Russian into English.

производить семена, процесс размножения, части полного цветка, самая наружная часть цветка, листоподобный, ярко окрашенные лепестки, пыльца, завязь, перекрестноопыляющееся растение, растения, опыляемые насекомыми

6. Match English equivalents withthe Russian words:

1. завязь a)produce

2. воспроизводить b) sepal

3. пестикc) stamen

4. лепесток d) species

5. производить e) corolla

6. оплодотворение f) fertilization

7. чашелистик g) pistil

8. тычинка h) petal

9. вид, разновидность i) ovary

10. венчик j) reproduce

11. рыльцеk) stigma

12. столбикl) style

7. Translate into English paying attention to the translation of the words: result, result in, result from.

1. Bad storage conditions often result in the loss of the viability of stored seeds.

2. The loss of vitality of stored seeds results from bad storage conditions.

3. Numerous experiments have been conducted by the scientists to discover the value and usefulness of plants to man and many new uses of plant resulted.

4. This variety is a result of a gradual and directed improvement of the wild plant.

5. The manufacturing of protein in the leaves results from combining the sugar produced by photosynthesis with nitrogen and minerals from the soil.

6. Too much nitrogen in the soil results in excessive plant growth.

7. Wind results in pollination in some plants.

8. Transfer of pollen by the insects results in pollination.

9. Pollination is the process which results from transfer of pollen by wind.

8. Translate into English using the word combinations: result in, result from, as a result.

1. Плохое прорастание семян произошло от недостатка влаги и воздуха.

2. Эти исследования привели к большому открытию.

3. Условия хранения были плохие, в результате произошла потеря жизнеспособности семян.

4. У само-опыляемых цветков опыление происходит от тесной близости тычинок и рыльца.

5. После того, как пыльца была перенесена на рыльце, происходят процессы, которые приводят к оплодотворению яйцеклеток.

9. Fill in the blanks with appropriate words and word combinations from the text.

1. A seed is always preceded by a ….

2. A complete flower is made up of four … parts: …, …, … and ….

3. The flowers of … lack both … and ….

4. Taken together the … are referred to as the ….

5. Commonly flowers are … from the flowers of other plants of the same ….

6. The … are located immediately to the inside of the ….

7. The grouping of flowers on a plant is called ….

10. Agree or disagree with the following statements (True or False).

1. The transfer of pollen from the stamens to the stigma of the pistil is pollination.

2. Within the ovary there are the egg-cells.

3. The pistil is in the center of the flower.

4. The petals taken together are referred to as the corolla.

5. The stamens and the pistil form the reproductive organs of the flower.

6. Sepals comprise the outermost part of the flower.

7. The flowers of the small grain have both petals and stamens.

8. A complete flower is made up of 5 principal parts.

9. The number and position of the floral parts vary in different species.

10. A flower is preceded by a seed.

11. The flower is the part of the plant which is formed for seed production.