CAT ONE JPIL

 

                    i.            The internal structure of the root which is composed of single layer of barrel shaped parenchymatous cells is called……..

A.     Cortex

B.     Epiblema

C.     Pericycle  

                                                                                       

D.    Endodermis

E.      Medulla

                  ii.              Which of the following method of adulteration may occur due to incorrect storage?

A.    Admixture

B.     Substitution

C.     Sophistication with inferior varieties                                                                                                                                                   

D.    Spoilage of drug

E.     Deterioration

                iii.            Which type of vegetative propagation is extensively used in the manufacture of antibiotics, lysergic acid derivatives and some vitamins?

A.     By layer

B.     By division

C.     By inoculation                                                                                                                             

D.    By fermentation

E.     By cutting

                iv. Which of the following is the Characteristics of Collenchyma Tissues?

A.    Is the precursor of all the other tissues 

B.     Have dense cytoplasm with large nuclei

C.     Provide rigidity of the seed-coat                                                                                                                         

D.    Form the ground tissue in a plant                                                                                                                                

E.     Strengthen young organs

 

                  v.            Consider function of the Endoplasmic Reticulum…….

A.     It transports materials through the cell and produces proteins

B.     It packages and transports materials (proteins and carbohydrates) to different locations

C.     It controls many of the functions of the cell (by controlling protein synthesis)

D.    It is a small body located near the nucleus that forms and organizes microtubules

E.     Contains DNA (genetic material in chromosomes)

                vi.            A flower pollinated by insects have the following features…

A.    May have pollens which floats on water

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

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

D.    Have bright colours, sweet fragrance and produce nectar

E.     have large stigmas, no or little fragrance, and non- sticky pollens

              vii.             Which of the following plant shows destructive allelopathy antibiosis?

A.    Digitalis

B.     Ocimum basilicum

C.     Belladonna and mustard                                                                       

D.    Urtica dioica

E.     Nicotiana

            viii.            An example of Exalbuminous seed is ……..

A.    Nux vomica

B.      Wheat

C.      Rice                                                                                                           

D.     Linseed

E.      Soya beans

                ix.            Which of the following method of drying is more suitable for use in the wet weather?

A.     Lyophilisation

B.       Sun Drying

C.     Shade Drying

D.    Artificial Drying                                                                                                     

E.     Vacuum Drying

                  x.            The effect of Oxygen on stored volatile oil is called………………..

A.    Deoxygenization

B.     Decomposition

C.     Rancidification                                       

D.    Resinification

E.     Oxydation

SECTION B: MULTIPLE TRUE/FALSE QUESTIONS                                    (10 MARKS)

INSTRUCTIONS:

·            This section consists of Four (4) questions with five (5) options each

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

·            All responses should be in CAPITAL letters

·            Half (½) a mark 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 (½) of allocated marks for responses with small letters.

 

1.       The vegetative propagation by Division may be used by which of the following drugs

A.    …….… Rhubarb

B.     ………. Gentian

C.     ………. Chamomile

D.    …….…Cascara

E.     …….…Ginger

2.      Regarding indehiscent fruits……….

A.    ……….. Dry fruits which splits along inner suture only

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

C.     ……….. A hard dry fruit with one seed which almost feels the pericarp but attached loosely

D.    ………... It is a simple, dry fruit in which the testa and pericarp are fused

E.     …………Are dry fruits which split along both dorsal and ventral sutures to release their seeds

3.      Which of the following medicinal plants can be affected by Latitude and Altitude

A. ….…… Tragacanth

B. ….……  Peppermint

C. ….……   Datura

D ………… Nicotiana

E. ….……  Glycosides

4.      Which of the following structures observed in dicot stem?

A. …….…   Pericycle

B ………… Protoxylem lacuna

C. …….…  Bundle sheath

D ………… Scattered vascular bundles

E ………… Starch sheath

 

 

SECTION C: MATCHING ITEMS QUESTIONS                                    (10MARKS)

INSTRUCTIONS:

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

·         USE CAPITAL LETTERS

·         Each correct response is awarded one (1) mark.

·         Each item from column B is used only once

5.       PART ONE: Match descriptions in column B with responses in column A by writing the letter of the correct response in the space provided on each option.

COLUM A	ANSWERS	COLUM B
1. Raphe		A.      Succulent growth from hilum covering the entire seeds B.      Outgrowth originating from micropyle and covering the seeds C.      is the point of attachment of seed to its stalk D.     longitudinal marking of adherant stalk of anatropous ovule E.      A warty outgrowth from micropyle F.       the basal portion of ovule where stalk is attached G.     is the stalk of the ovule attaching it to the placenta
2. Chalza
3. Aril
4. Caruncle
5. Hilum

PART TWO: Match the item in column B with examples in column A by writing the letter of the correct answer in the space provided

COLUM A	ANSWERS	COLUM B
1.  Volatile oils		A.      Needs a maritime climate B.     Produce less constituents when grown in higher altitude C.      Produced more readily in warmer weather D.    Require elevation E.     Chalky soil lead to poor product F.      Produce more active constituents at night G.    Produce bitter constituents when grown in higher altitude
2.  Nicotiana
3. Thyme and Peppermint
4. Gentian
5 . Digitalis

 

SECTION D: SHORT ANSWER QUESTIONS                                                   (40 MARKS)

INSTRUCTIONS:

·         This section consists of eight (8) questions.

·         Write your answers in the space provided on each question

·         Write a readable handwrite; DIRTY WORK IS NOT ALLOWED.

6.      i. Define morphology of medicinal plant                                                                       (2mark)

 

___________________________________________________________________________

ii. Seed is characterized by the presence of three parts; Outline them                      (3marks)

i.        _____________________________________________________________________

ii.      _____________________________________________________________________

iii.    _____________________________________________________________________

7.      Ground tissue system is represented by which structures of the plant, list five           (5marks) 

i.        _____________________________________________________________________

ii.      _____________________________________________________________________

iii.    _____________________________________________________________________

iv.    _____________________________________________________________________

v.      _____________________________________________________________________      

8.       Describe how the following factors affecting extraction of active constituents          (5marks)

Nature of drug

___________________________________________________________________________

Solvent

___________________________________________________________________________

Temperature

___________________________________________________________________________

pH

___________________________________________________________________________

Particles size

___________________________________________________________________________

9.      Regarding stage of maturity, which stage is right time of collecting the following medicinal plants                                                                                                                          (5marks) 

Cloves

___________________________________________________________________________

Vanilla

___________________________________________________________________________

Papaver somniferum

___________________________________________________________________________

D. lanata

___________________________________________________________________________

Mentha piperita

___________________________________________________________________________

10.   Describe general four features of the vascular bundle of dicot stem                         (4marks)

i.        _____________________________________________________________________

ii.      _____________________________________________________________________

iii.    _____________________________________________________________________

iv.    _____________________________________________________________________

11.  What do you understand by the following terms; Endarch, Exarch and Medullary rays   

                                                                                                                                      (6marks) 

i.        _____________________________________________________________________

ii.      _____________________________________________________________________

iii.    _____________________________________________________________________                                                        

13.  With at least one example,describe how the following factors affecting storage of crude drugs ;  Moisture, temperature ,sunlight, air(oxygen)                                                       (5marks)                                                      

i.        _____________________________________________________________________

ii.      _____________________________________________________________________

iii.    _____________________________________________________________________

iv.    _____________________________________________________________________

14.   Enumerates the mechanism of Extraction of crude drugs                                        (4 marks)

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

 

 

 

SECTION E: GUIDED ESSAY QUESTIONS                             (30 MARKS)

INSTRUCTIONS:

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

·         Write your answer on the empty pages of this question paper; each question should start on a new page.

·         There will be a penalty of three (3) marks if questions are not answered in essay form

 

15.  In many cases cultivation is advisable because of the improved quality of the drug which it is possible to produce, Describe three causes of improvement of quality of drug

And any two plant breeding methods                                                          15MARKS

 

16.  With three examples to each, explain how Faulty collection and Poor storage conditions causes to occur of Adulteration                                                                      15 MARKS