TOMORROW DISCUSION

DEPARTMENT OF PHARMACY

PST 05210 BASIC PHARMACOGNOSY

TEST

NTA LEVEL 5

TIME: 2:00 HOURS CANDIDATE NO …………………….

DATE ..................................

GENERAL INSTRUCTIONS

1. Read all instructions carefully

2. Write an examination number on every page of question paper and answer sheets

3. Attempt all questions

4. Cellular phones are not allowed in the examination room

5. This paper consists of five sections

6. The table below is for OFFICIAL USE ONLY

SECTION	TYPE OF QUESTIONS	MARKS ALLOCATION	SCORED MARKS	INITIAL SIGNATURE OF EXAMINATION MARKER	INITIAL SIGNATURE OF EXAMINATION VERIFIER
A	MULTIPLE CHOICE	10
B	MULTIPLE TRUE FALSE	20
C	MATCHING	10
D	SHORT ANSWER	40
E	GUIDED ESSAY	20
TOTAL		100

SECTION A - MULTIPLE CHOICE QUESTIONS 10 MARKS

Instructions

· This section consists of TEN (10) questions

· Encircle the letter of the most correct answer

· There is only one correct answer

· One (1) mark will be awarded for each correct answer

1. Breathing pores of the stem is called?

a. Pistil

b. Calyxy

c. Lenticels

d. Bud

e. Nodes

2. A horizontal stem below ground that produces roots and shoots at each node is ........

a. Tubers

b. Corm

c. Bulb

d. Bulbils

e. Rhizome

3. Leavies, stem, flowers, seeds, roots and fruits are all together known as.....

a. Plant tissues

b. Plant system

c. Plant cell

d. Plant organs

e. Plant morphology

4. Epicarp , Mesocarp and Endocarp are the layerss of wall of a fruit,known as...

a. Periderm

b. Exocarp

c. Pericarp

d. Exocarp

e. Epiderm

5. Nutrients for the embryo are supplied by.....

a) Epiderm

b) Endoderm

c) Testa

d) Endocarp

e) Endosperm

6. An Expansion of placenta or funicle over the surface of the seed is called…..?

a) Strophiole

b) Caruncle

c) Aril

d) Tegmen

e) Raphe

7. A mature developed ovaries with all contents is also known as ………………..

a. Stamen

b. Fruits

c. flower

d. seeds

e. pistil

8. An opening that marks position of the radicle is called…….

a. Hilum

b. Raphe

c. Micropyle

d. Funicle

e. Tegmen

9. Valvate Capsule.........

a. form pores to release seeds

b. splits along locules

c. split through the centre of the fruit

d. split along the septa

e. the tip split open

10. The two (2) major parts of a plant are……

A. Root and leaf

B. Root and stem

C. Shoot and root

D. Upper and lower

E. Gynoecium and adroecium

SECTION B: MULTIPLE TRUE FALSE QUESTIONS 20 MARKS

Instructions:

· This section consists of eight (8) questions with five (5) option each

· Write the word TRUE and NOT letter ‘T’ for a correct statement and FALSE, NOT letter ‘ F ‘ for incorrect statement in the space provided for each option

· All responses should be in CAPITAL letters

· Half (¹/₂) will be awarded for each correct response

· Responses with letters ‘T’ and ‘F’ will not be awarded any mark

· There will be a penalty of half (¹/₂) of the allocated marks for response in small letters

1. Regarding Simple dry indehiscent fruits and Simple dry dehiscent fruits

A. .............. . Achene-Simple dry fruit formed from two or three carpels. Pericarp is relatively hard and heavy

B. .............. . Nuts -A hard dry fruit with one seed which almost feels the pericarp but attached loosely

C. .............. . Caryopsis-It is a simple, dry fruit in which the testa and pericarp are fused

D. .............. Legumes-Are dry fruits which split along both dorsal and ventral sutures to release their seeds e.g. Cassia angustifolia

E. .............. Follicles-Dry fruits which splits along inner suture only e.g. strophanthus

2. Refer the pollination of flower.............

A. .............. . Flowers pollinated by insects have bright colours, sweet fragrance and produce nectar

B. ............... Flowers pollinated by wind are log tube shaped, have bright red or yellow colours, and with no fragrance

C. ............... Flowers pollinated by mammals have large stigmas, no or little fragrance, and non- sticky pollens

D. ............... Flowers pollinated by water may have pollens which floats on water

E. .............. . Flowers pollinated by rabit have white flowers with strong fruity smell and open at night

3. Classification of the leaf based on leaf apex, find correct statement(s)

A. .............. Acute-blunt or rounded apex

B. .............. . Cuspinate –shape apex ending in point

C. ............... Acuminate-long and pointed apex

D. .............. . Energinate-leaf apex with notch

E. ................. obtuse-end of sharp spiny point

4. Stamen .......

A. ............ male reproductive structures of the flower

B. .............. made up of anther and filaments(produce pollen grains)

C. .............. Monadelphous if stamens are separate

D. .............. Diadelphous if stamens are fused

E. .............. Forms the hypanthium if elongated below the calyx

SECTION C: MATCHING ITEM QUESTIONS 10 MARKS

Instructions:

· This section consists of two (2) questions of matching with five (5) options each

· Match the items in column B with those in column A by writing the letter of the correct response in the space provided on each option. USE CAPITAL LETTERS

· Each correct response is awarded one (1) mark

· Each item from column B is used only once

1. Match the terms in column A to corresponding meaning column B 5 MARKS

COLUMN A	COLUMNN B
1 .............. Peduncle	A. bears the female gametes, located in the ovaries
2 .............. Receptacle	B. formed from sepals and petals together
3 .............. Calyx	C. bears the floral organs
4 .............. . Corolla	D. Grains containing the male gametes
5 ............... Perianth	E. made up of petals (often colourful)
	F. the flower stalk
	G. made up of sepals (to protect young flower bud)

2. Match the terms in column A to corresponding meaning column B 5 MARKS

COLUMN A	COLUMN B
1 ........... Berries	A. Berries with a thicker skin containing oils
2 ............. Drupes/stones	B. Berries with a comparatively thick exocarp or rind
3 ............. Hesperidiums	C. Have soft epicarp and fleshy mesocarp and endocarp
4 .............. Pepos	D. Simple dry fruit similar to achenes, but formed from two or three carpels. Pericarp is relatively hard and heavy
5 .............. Pome	E. Are soft aggregate fruits (fusion of several drupes) e.g. strawberries, blackberries
	F. Have edible exocarp and fleshy mesocarp and inedible, hard stone-like endocarp
	G. A fleshy fruit with mature ovary and accessory structures e.g. petals, sepals and receptacle

SECTION D: SHORT ANSWER QUESTIONS 40 MARKS

Instructions

· This section consists of five (5) questions

· Write your answer in the space provided for each question

· Write in a readable handwritting. DIRTY WORK IS NOT ALLOWED

1. A.What is the difference between the following flower parts

Androecium and Gynoecium, Pollen and Pistil, Carpel and Ovule, Dioecious plants and Monoecious plants

B. with aid of diagram , outline three ovary position .

c. Mention five inflorescences flowers

2. A.List eight differences between Dicot and Monocot stem

……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..

………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..

………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

B. Give out five difference between monocot and dicot roots

……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..

3. A. Mention five tissues contain in young bark

B.Outline three(3) characteristics of bark that are of diagnostic importance

C.With aid of diagram,list five curvatures of commercial bark presented for the market

................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

4. Mention at least four properties of the following plant tissues

Meristematic Tissues

Parenchyma Tissues

Collenchyma Tissues

Sclerenchyma Tissues

5. A) With aid of diagram, give out the difference between Conjoint vascular bundles, Concentric vascular bundle

B. With the aid of diagram, outline classification of leaf based on Arrangement on the stem

SECTION E: GUIDED ESSSAY QUESTIONS 20 MARKS

Instructions

· This section consists of two (2) questions which are supposed to be answered in narrative way

· Write your answer on the papers provided. Each question start on a new page.

· Write a readable handwritting. DIRTY WORK IS NOT ALLOWED

1. Explain five classification of the flowers

2. Explain modified stem using four (4) examples

3. Explain the pharmacognostic importance of epidermis

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