IV Language development

1.Fill in the gaps with the missing words or phrases.

1. Histology studies different kinds of... they are arranged within plants.

2. Plants form the base of the naturalthe system in which energy I is transferred from one organism to another in ... of food.

3. Plants take materials from ... and ... and convert them into ....

4. Ecology is concemcd with the way plants and animals ... each other, and with solving the problems of..., growing of crops,.... and control of insects and diseases.

5. Fungi lack chlorophyll that is essential ... photosynthesis, and so must get food ... keep themselves alive ... other plants, they often damage or even kill other plants.

6. Plant pathologists study ... to find out how they function and also study ... and animals.

7. Plant physiology is important not only to the expert, who studies plants, but to everyone elin the world, as ..., either directly or indirectly, all the lood (hat... and animals eat.

8. Except for certain species of,.. plants are the only organisms that can make their ... food.

2. Fill in preposition v here necessary.

1. Physiology is the study... how plants function.

2. It involves the study ... how plants make and use food, how various cells ... a plant help the plant grow and reproduce, and how a plant responds ... the outside world.

3. Plants take materials ... the soil and air and convert them ... food.

4. This food is then used ... provide energy ... the plants ... grow and materials ... the growing plant body.

5. These processes are called ... metabolism.

6. Plant pathology uses chemicals ... combat diseases.

7. Taxonomy is also concerned ... the study of plant remains.

8. The simplest... plants consist of a single cell, large plants, like trees, are made ... many different kinds of cells.

9. Pathology is concerned ... many disea es that injure plants, sometimes plant diseases are caused ... the weather or... a lack of proper minerals ... the soil.

10. ft is necessary ... study the form and structure of a plant... you can understand how to classify the plant and how it... grows and lives.

3. Complete the sentences using words and phrases from the text.

1. Taxonomy is also ...

2. Large plants, like trees, are made up ...

3. Both cytology and histology are ...

4. This food is then used to provide ...

5. Except for certain species of bacteria...

6. Ecology i also concerned with ...

7. Fungi ^!ack chlorophyll ..

V. Speaking

1 .Correct the wrong statements.

1. Botany is the science of animals.

2. Taxonomy is the scicnce of naming and classifying animals and plants.

3. The simplest plants consist of numerous cells.

4. Plants lake materials from (he water and air and convert them into food.

5. Plant, physiology is important only to the experts, who study plants.

6. Ecology is also concerned with the way plants and animals affect each other.

7. Usually plant diseases are caused by the weather or by a lack of proper minerals in the soil.

8. Plant pathology doesn*t use chemicals to combat diseases.

2.Answer the following questions.

9. What does botany study?

10. What does botany include?

11. Is it neccssaiy to stud} the form and the structure of a plant? Why?

12. What forms the base of the natural food chain?

13. Is ecology concerned with the way plants and animals affect each other?

14. What do plant pathologists study?

15. Are large plants, like trees, made up of many different kinds of cells?

16. Why is plant physiology important not only to the expert, who studies plants, but to everyone else in the world?

17. Is chlorophyll (the green pigment) essential in photosynthesis? Why?

18. Is taxonomy concerned with the study of plant remains?

History of botany