Test tasks from pharmaceutical botany

Test tasks from pharmaceutical botany

Electronic Database of tests for the " KROK 1" exam.

Structural and functional organization of the cell

1. Connection between plant cell protoplasts and their metabolic function is provided by thin cytoplasmic threads that pass through pores in the cell walls. Name these threads:

A. Plasmodesma

B. Microtubules

C. Microfilaments

D. Fibrils

E. Cytoskeleton

2. During photosynthesis within plant cell chloroplasts there is short-term retained starch being produced, which rapidly hydrolyzes into glucose. This starch is called:

A. Primary

B. Secondary

C. Transitory

D. Resistant

E. Reserve

3. Name the process of cell membrane saturation with a fat-like substance - suberin:

A. Suberization

B. Sliming

C. Cutinization

D. Mineralisation

E. Lignification

4. Racemose clusters of calcium carbonate crystals are detected among the waste products of a protoplast. These crystals are:

A. Cystoliths

B. Isolated crystals

C. Raphides

D. Styloids

E. Druses

5. The end product of starch hydrolysis is:

A. D-glucose

B. D-fructose

C. Saccharose

D. Maltose

E. D-galactose

6. Flax seeds are used in medicine as coating agents, due to the following ability of their secondary membranes:

A. Sliming

B. Suberization

C. Gummosis

D. Lignification

E. Mineralization

7. Microscopic study of soybean seeds stained with Sudan III revealed droplets of various sizes. These droplets are:

A. Lipids

B. Proteins

C. Starch

D. Inulin

E. Glycogen

8. After application of chlorine-zinc- iodine to the thick colourless cell membranes of collenchyme they became violet. That means the membranes are:

A. Cellulose

B. Lignificated

C. Cutinized

D. Mineralized

E. Suberinized

9. In the course of plant cells treatment with phloroglucinol with concentrated sulfuric acid their cell walls became crimson-red, which means:

A. Lignification

B. Suberization

C. Mucification

D. Cutinization

E. Mineralization

10. Styloids are big single elongate- prismatic needle-like crystals. They are mostly typical for the following plants:

A. Monocotyledonous

B. Dicotyledonous

C. Gymnospermous

D. Lycopodiophyta

E. Equisetophyta

11. During examination of a plant cell under the electron microscope some structures in form of a stack of flattened membrane cisterns and vesicles were found. What organelles are these?

A. Golgi apparatus

B. Endoplasmic reticulum

C. Plastids

D. Mitochondrions

E. Microbodies

12. Microscopic examination of a ficus leaf revealed in some cells of its epidermis a protrusion of the cell membrane with an accumulation of crystals that dissolve in the hydrochloric acid and release carbonic acid gas. This structure is called:

A. Cystolith

B. Raphide

C. Druse

D. Single crystal

E. Styloid

13. The section of a sunflower seed has been treated with Sudan III solution that caused pink-and-orange staining. This is the evidence of presence of:

A. Fatty oil

B. Protein

C. Starch

D. Inulin

E. Cellulose

14. As a result of staining of a plant microslide with Sudan III solution the cell membranes turned pink. This indicates the presence of:

A. Suberin

B. Cellulose

C. Lignin

D. Pectin

E. Hemicellulose

15. After a plant microslide had been processed with phloroglucinol together with concentrated hydrochloric acid, the cell membranes turned crimson red. This indicates presence of:

A. Lignin

B. Pectin

C. Cellulose

D. Hemicellulose

E. Suberin

16. It is known that depending on pH of cellular fluid petal coloration can vary from blue-and-violet to pink and light pink. This is caused by presence of:

A. Anthocyanins

B. Carotins

C. Xanthophylls

D. Phycobilins

E. Chlorophylls

17. It is known that bluish purple petal coloration of a plant under examination varies up to pink or light pink according to pH of cellular fluid of vacuole. It is caused by presence of:

A. Anthocyanins

B. Carotins

C. Xanthophylls

D. Phycobilins

E. Chlorophylls

9. Microscopic examination of a potato tuber showed some cell inclusions that become blue-violet as affected by Lugol’s iodine solution. These inclusions are:

A. Starch granules

B. Insulin crystals

C. Aleurone grains

D. Drops of fatty oil

E. Calcium oxalate crystals

18. A vegetational microspecimen was treated with Sudan III solution. As a result of it cell membranes turned pink that means they contain:

A. Suberin

B. Cellulose

C. Lignin

D. Pectin

E. Hemicellulose