PRACTICE PAPER

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1.      Which drug is drying as soon as possible after harvesting?

a.      Vanilla pods

b.      Gentian roots

c.       Digitalis

d.      Cocoa seeds

e.      Datura

 

2.        Which  of the following vegetative method involved, an operation in which two cut surfaces, usually of different but closely related plants, are placed so as to unite and grow togethe........

a.      Division

b.      Cutting

c.       Layers

d.      Grafting

e.      Inoculation

3.      A simple dry fruit in which the testa  and pericarp are fused is called?

a.      Samara

b.      Siliqua  

c.       Nuts

d.      Achene  

e.      Caryopsis

 

4.       Flowers pollinated by wind…………………

a.       Have large stigmas, no or little fragrance, and non- sticky pollens

b.      Have bright colours, sweet fragrance and produce nectar

c.       Are log tube shaped, have bright red or yellow colours, and with no fragrance 

d.      Have white flowers with strong fruity smell and open at night

e.      may have pollens which floats on water

5.      Serrate laef margin .....

a)      Leaves have wavy margin

b)      Leaves with smooth margin

c)      Leaves have saw like margin

d)      Leaves have large pointed teeth like margin

e)      Leaves have round teeth margin

6.      Receptacle ............................

a)      The flower stalk

b)      Bears the floral organ

c)      Formed from sepals and petals together

d)      Made up of petals

e)      Made up of sepals

 

7.       A fruit formed without fertilization is called………………..

a.      Ovulated fruits

b.      Pure fruits

c.       Activated fruts

d.      Parthenocarpy

e.      True fruits

 

 

8.      Regarding Umbel inflorescences

a.      In this type of inflorescence the peduncle is long

b.       This is similar to raceme, with sessile flowers

c.        In this inflorescence the peduncle is short with numerous small unisexual flowers, which are sessile and covered with boat shaped bract known as Spathe

d.       Peduncle is short, flowers bracteate, bisexual oldest flower is lower most and youngest at apex

e.       Axis is shortened and bears flowers at its top which are having equal stalk and arranged in centripetal succession

 

9.      Spongy Mesophyll………………….

a.       lies beneath the adaxial epidermis

b.        Consists of vertically elongated cylindrical cells in one or more layers

c.       Spongy cells facilitate exchange of gases with the help of air spaces

d.      Cells are compactly arranged with the chloroplasts close to the walls of the cell

e.      Main function is photosynthesis

10.  Which crude drug is require long storage?

a.      Digitalis

b.      Yohimbe bark

c.        Cinchona bark

d.      Cascara bark

e.      Calabar beans

 

 

 

SECTION B: MULTIPLE TRUE FALSE QUESTIONS      10 MARKS

Instructions:

·         This section consists of four (4) 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.       Consider Conjoint vascular bundles ..............

A.      ............... is one kind of vascular tissue( xylem and phloem) is surrounded by the other

B.      ..................when the xylem and phloem combine into one bundle

C.      ...................in collateral –xylem and phloem on same radius,phloem is out

D.     ....................in Bicollateral phloem on outer and inner sides of xylem

E.       ....................in Amphivasal xylem completely surrounds the xylem

 

 

2.       Phloem tissues consist of  .......

A.      ..............Tracheae

B.      ............. Tracheids

C.      ............. Vessels

D.      .............  Campanion

E.       .............. Sieve elament

 

3.       Collenchyma...............

A.      .............. the cells are never lignified

B.      .............. being flexible in nature

C.      .............. they are dead cells

D.      .............. Generally present in all plant organs

E.       .............. Form the ground tissue in a plant

 

 

 

4.       Regarding water soluble substances which can be affected with contuous rainfall .............

A.      .............. Datura

B.      .............. Tannins

C.      ..............   Flavonoids

D.      ..............Glycosides

E.       .............. Menthone

 

 

 

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 ..............  Berries

A. Berries with a comparatively thick exocarp or rind

2 .........    Hesperidium 

B. Have edible exocarp and fleshy mesocarp and inedible, hard stone-like endocarp

3 ..............  Pepos

C. Cephaeline

4 ..............  Pome

D. Have soft epicarp and fleshy mesocarp and endocarp

5 .............. Drupes

E. Berries with a thicker skin containing oils

 

 F. Nicotinic acid

 

G. A fleshy fruit with mature ovary and accessory structures

 

 

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

COLUMN A

COLUMN B

1  ..............  Obtuse                                     

A. with spiny tip like date palm

2 ..............   Acuminate                                     

B. when tip is deeply notched

3 ..............      Cuspidate                            

C. Rounded tip

4 ..............  Retuse                                                    

D. Rounded apex ending abruptly in a short point

5 ..............     emerginate

E. Apex is narrow and pointed

 

F. Pointed tip with much elongation

 

G. broad tip with slight notch

 

 

 

SECTION D: SHORT ANSWER QUESTIONS      40 MARKS

Instructions

·         This section consists of eight (8) questions

·         Write your answer in the space provided for each question

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

 

1.       Define the following terms:

Drug ,Natural product, Crude drug, Ethnobotany, Ethnophamacology

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

 

2.        Mention five advantages of cultivated medicinal plants

 

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

 

 

 

3.       List five factors to consider when making a choice of a drying technique

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

 

 

 

 

 

 

4.       A. Mention three(3) layers forming Pericarp of the fruit

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

B. Outline two(2) simple dry dehiscent fruits

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

5.       Outline five classification of the stomata basis on subsidiary cells

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

6.       Give the function of the following plant organelles:

Ribosomes, Centrosome, Endoplasmic Reticulum, Mitochondria, Plastids

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

 

7.       Outline five reasons for drying drugs obtained from medicinal plants

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

8.       A. Define selective Breeding

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

b. mention four advantages of selective breeding

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

 

 

 

 SECTION E: GUIDED ESSSAY QUESTIONS                              30 MARKS

Instructions

·         This section consists of three (3) 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 uses of Natural products

2.      Explain five classification of medicinal plant

3.      Explain five classification of the flower

 

 

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