PRE CAT 1

SECTION A: MULTIPLE CHOICE QUESTIONS (10 MARKS)

Instructions:

SECTION A: MULTIPLE CHOICE QUESTIONS (10 MARKS)

Instructions:

· This section consists of ten (10) questions

· Choose the LETTER of the most correct answer and write it in the box provided using CAPITAL letter

· One mark will be awarded for each correct answer

· Response with SMALL letter will NOT be awarded any mark

1. Which of the following medicinal plant its generic name may indicate certain characters of the plant ?

a. Cinchona Ledgeriana

b. Artemisia cina Berg

c. Myristica fragrans

d. Glycyrrhiza

e. Atropa belladonna

2. Candle wax coloured yellow and being offered as Beeswax is an example of which method and effects of adulteration?

a. Admixture

b. Substitution

c. Sophistication with inferior varieties

d. Addition of worthless heavy materials

e. Deterioration

3. Dry fruits which splits along inner suture only is…...

a. Cassia angustifolia

b. Seed coat as in maize

c. Strophanthus

d. Cashew nut

e. Rice

4. Leaves which have wavy margin is called…………………

a. Dentate

b. Serrate

c. Entire

d. Crenate

e. Repand

5. Root hairs is found in which zones of the root?

a) Zone of differentiation

b) Zone of elongation

c) Zone of maturation

d) Zone of thickness

e) Zone of division

6. A flower pollinated by birds 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

7. Which of the following plant shows mutual dependant organisms (beneficial) symbiosis?

a. Digitalis

b. Ocimum basilicum

c. Belladonna and mustard

d. Urtica dioica

e. Nicotiana

8. A structure that arises from the testa near the hilum is called ……..

a. Elaiosome

b. Caruncle

c. Embryo

d. Tegmen

e. Micropyle

9. A structure of young bark which may be composed of parenchyma or fibres, groups of fibres often occur opposite each group of phloem is ………..

a. Endodermis

b. Primary cortex

c. Epidermis

d. Phloem

e. Pericycle

10. Which of the following statement(s) regarding Cambium is correct...

a. It is composed of parenchyma cells with intercellular spaces

b. It consists of pericycle, vascular bundles and pith

c. The innermost layer of the cortex is the endodermis

d. lies below the epidermis

e. Consists of brick shaped and thin walled meristematic cells

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. Characteristics features of Ground or Fundamental Tissue System

A. …………… In monocot stem, ground tissue system is a continuous mass of sclerenchymatous tissue in which vascular bundles are found scattered

B. …………… These cells are arranged in a single layer with intercellular spaces

C. …………… Form the main body of the plants (bulk of plant)

D. …………… Includes all the tissues except epidermis and vascular bundles

E. …………… In the leaves, ground tissue is made of chlorenchyma tissues forming the mesophyll

2. Sieve elements……….

A. …………… Their end walls are transverse or oblique

B. …………… Have cytoplasm and a prominent nucleus

C. …………… are imperforate cells with bordered pits on end walls arranged one above the other

D. …………… Arranged parallel to the long axis of the plant body

E. …………… In matured sieve tube, nucleus is absent

3. Regarding characteristics of Meristematic Tissues

A. …………… Is the precursor of all the other tissues

B. …………… Form the ground tissue in a plant

C. …………… Have dense cytoplasm with large nuclei

D…………… Their cell walls are thin, elastic and made up of cellulose

E. …………… Have smaller vacuoles, scattered throughout the cytoplasm

4. Which of the following statements is/are correct concerning of Dicot stem Cortex

A. …………… It lies above the epidermis

B…………… the third zone made of barrel shaped cells arranged compactly without intercellular spaces

C. …………… The second zone rich in starch

D…………… First zone consists of a single layer of parenchymatous rectangular cells

E…………… Some resin ducts occur in second zone

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

2. 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. Hypanthium		A. If sepals are separate B. If stamens are fused C. If stamens are separate D. If receptacle elongated below the calyx E. If petals are fused F. If receptacle below the ovary G. If sepals are fused
2. Gynophore
3. Polysepalous
4. Gamosepalous
5. Diadelphous

PART TWO: Match the sign of damages 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........ By runners		A. For the propagation of Cascara B. specific to ergot C. Chamomile D. Jalap E. Squill F. Liquorice G. largely used for citrus species
2......... By stolons
3......... By the development of bulbs
4......... By budding
5 ......... By inoculation

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.

1. With at least six points give shortly description of dicot stem epidermis 6 marks

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

2. Mention six types of surface of the leaf 6 marks

3. List four forms in which a seed may be produced 4 marks

4. List two examples of natural occurring hybrids 2marks

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5. A. What do you understand by vegetative propagation by Division? 1marks

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

B. List four plants that used by Division method of propagation 4marks …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..

6. Flowers are grouped according to the placement of floral parts on the receptacle into: Outline three types 6 marks

7. Mention five important of processing of crude drugs 5marks

8. With two examples, describe Decoction method of extraction 6 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

1. Explain main THREE Pharmacognostic importance of epidermis including FIVE types of stomata based on subsidiary cells 15 MARKS

2. Explain storage of crude drugs with at least six points and give nine (9) factors to consider when harvesting / collecting drugs from medicinal plants 15 MARKS