NABTEB GCE Biology Practical Questions and Answers - Nov/Dec 2017

NABTEB GCE Biology Practical Questions and Answers - Nov/Dec 2017 Lawrence Victor 5 of 5

The NABTEB GCE Nov/Dec 2017 Biology practical Questions and Answer solution with verified Expo now available *NO:1 SOLUTION* *1a)* i)Stamen(...

The NABTEB GCE Nov/Dec 2017 Biology practical Questions and Answer solution with verified Expo now available

*NO:1 SOLUTION*

*1a)*

i)Stamen( Filament, anther) 

ii)pistil(stigma, style, ovary)

*1b)*

i)Chickenpox

ii)Human immunodeficiency virus (HIV/AIDS)

*1c)*

i)Formation of strict law/punishment for illegal removal of plants and bush burning 

ii)Discouragement of deforestation

*1d)*

i)Blood helps to trasport materials,in the body including nutrients, water,salts and waste products.

ii)Blood helps in body defences against disease, neutrophils and

monocytes engulf and destroy invading microorganisms e.g. bacteria.

*1e)*

i)Protozoa(Chlamydomonas)

ii)Bacteria(Cyanobacteria=blue-green algae) 

*1f)*

Ecosystem

*1g)*

i)Discouragement of deforestation and planting of Canopy trees

ii)prevention of overgrazing

*1h)*

i) it aid reduction  of soil fertility

ii)it reduces/ kill the living organisms of a soil surface

*1i)*

i) it leads to low production of crops

ii)Affect the availability of nitrogen to improve chlorophyll function.

*1j)*

i)By Construction of structure 

ii)By using wool as fuel

*1k)* 

i) Both affect respiration of organism when  released to environment and microorganisms are voided in dust

ii)Smoke contain some green house gases which deplete the ozone layer

*1l)*

i)Hinge joint 

ii)Hinge joint

*1m)*

i)Ability to collect and store water

ii)Features that reduce water loss

*1n)*

Mendel's first law of inheritance states that, ' the alleles of a given locus segregate into separate gametes.'

*OR*

Mendel's first law state that character of individual are situated in the gene which can be transfer from one generation to another

*1o)*

Kwashiokor (characterized by swollen stomach, ribs become prominent, yellow eye balls etc)

_______________________________

*SECTION B SOLUTION*

*NO2 SOLUTION*

*2ai)*

i=Butterfly net

ii=light meter/photo meter

iii=Rain Guage

iv=Wind Vane

v=Baermann Funnel

vi=Hygrometer

vii=Anemometer

*2aii)*

i) Amount of rainfall

ii) Direction of wind 

iii)Wind speed

*2bi)*

a) Handle

b) Net

c) Funnel

d) Glass cylinder

e)Measuring cylinder 

f)Arrow

g)Net or mash

h)measuring scale 

*2bii)*

Ensured the Funnel is fixed to the measuring cylinder to enhance accurate reading of water volume

_____________________________

*NO:3 SOLUTION*

*3a)*

Euglena 

*3aii)*

1)Flagellum 

2)pigment spot(stigma)

3)paramylum granule 

4) pellicle

5)Nucleus 

6)food vacuole

7)Contractile Vacuole 

8)Eye spot

*3bi)*

-Holozoic

*3bii)*

Flagellum (part I) 

*3bii)*

i)It is used for detecting light

ii)it is used for storage of starch 

iii)it is used for food storage

*3biv)*

PLANTS CHARACTERISTICS OF EUGLENA:-

*(Pick only two)*

i) It has chlorophyll for photosynthesis

i)It uses holophytic mode of nutrition if light is present.

iii)Possession of pyrenoid.

ANIMALS CHARACTERISTICS OF EUGLENA:-

*(pick only two)*

i)Possession of an eye part for light deflection.

ii)Possession of pellicle.

iii)Possession of a gullet and a food reservoirs

____________________________

*NO:4 SOLUTION*

*4a)*

ix)Cashew fruit

x)Mango fruit 

xi)Okra

xii)Pride of Barbados pod

xiii)Tomatoes

*4aii)*

a=stalk

b=swollen freshy receptacle

c=Nut

d=seed coat

e=Endocarp

f=Epicarp

g=Mesocarp

h=Epicarp

i=seed

j=Mesocarp

*4bi)*

ix)False fruit, indehiscent 

x)True fruit, simple fruit, succulent 

xii)simple true dry dehiscent

*4bii)*

x)-Animal  Dispersal

xi)-Wind Dispersal

______________________________

*5a)*

xiv)-Axis Vertebra 

xv) - Thoracic Vertebra 

xvi) - Lumber Vertebra 

*5aii)*

1=Neural Spine

2= posterior Articular Surface

3=Centrum 

4=Neural spine

5=Transverse process

6=Centrum 

7=Neural spine

8=Neural Arch

9=Neural canal

10=Transverse process

*5bi)*

1 Xiv) it allow  the head to be turned easily ie Twisting of the head

2 Xv) it aid the attachment of the ribs

3 xv)  It assists in breathing along side with the ribs

4 Xvi)  They bear Considerable weight of the body

*5bii)*

Xiv)it is found in the neck region

Xv)it is found in the chest region

Xvi)It is found in the upper abdominal region

*5c)*

Differentiate XIV AND XVI

*(XIV)-Axis*

i) Absence of centrum 

ii) it has no vertebral body

iii)Absence of Transverse process 

*(XVI)-Lumber*

i)presents of Centrum

ii) it has Vertebral body

iii)Possession of Transverse process

COMPLETED

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