Loading...
» »

[2014 WAEC EXPO] CLICK HERE FOR BIOLOGY ANSWERS




[b] BIOLOGY:

Verified BIOLOGY OBJ:
1-10: bdcacbbada
11-20: bdacaccaba
21-30: ccbadcddbc
31-40: dbbdbdbacb
41-50: daacbcaccb


(1ai)
(i)Movement
(ii)nutrition
(iii)respiration
(1aii)
(i)Movement is the ability of an
organism to move its own
whole body or part of its body
from one place to another
(ii)nutrition is defined as the
ability of living organisms to
feed. This is essential for
growth,respiration and
production.
(iii)respiration is defined as the
exchange of gases between
organisms take in oxygen and
breathe out carbon dioxide.
(1b)

Pls Put this in a tabular form.
PLANTS:

(i)movement are restricted.
(ii)the cell are rigid.
(iii)they manufacture food with
chlorophyll.
(iv)growth is not limited.
ANIMAL:
(i) they move in different ways
(ii) the cells are flexible
(iii)they depend on already
made food
(iv) growth gradually comes to
a stand still

(1ci)
Euglena

(1cii)

Animal features possess by
euglena are;

(i)possession of flagellum for
locomotion
(ii)possession of pellicle
(iii)possession of eye spot for
response to light
(iv)presence of contractile
vacuole for excretion

Plant features posses by
euglena are;

(i)possession of chloroplast for
photosynthesis
(ii)possession of pyrenoid
(iii) possession of cellwall,


(ii)possession of pyrenoid
(iii) possession of cellwall,
(3a)
(i.) Biosphere is the zone of d
earth occupied by living
organisms. it is a layer of life
which exists on the earth
[Waploaded.com] surface
(ii.) Habitat is defined as an
area occupied by a biotic
community i.e. habitat is any
environment in which an
organism lives naturally e.g d
habitat of the fish is water

(3b)Example of a canivorous
plant is sundew that possesses
leaves capable of forming an
organ to trap and digest
insects. the upper surface of
the leaf has a number of
glandular or tentacles. The leaf
surface is sticky as a result of
digestive gland in the plant. the
ends of the tentacles secrete
enzymes capable of digesting
insects caught the presence of
an insect on the leaf stimulates
the leaf to fold over and turn
all the tentacles inward.

(3c)
(i) It helps to prevent
overcrowding of plants
(ii) It results in colonization of
new areas with new plants
(iii) it prevents diseases from
spreading among plants species


(6a)
- In search for habitat
- In search for mates
- In search for food
- In search for water
-In search for favourable climatic
bundles
(6b)
- Epidermes: encloses the
vasccular
bundles
- Phloem: Transport
manufactured food
in plant
- Sclerenchyma: It gives the plant
resilence against strong
wind
(6c)
i. Parasitic plant: Striga and
mistletoe
ii.Saprophytes: Mushroom and
fungi
(6d)
i. They posses semi-permeable
membrane
ii. They posses bouyant roots
(6e)
i. Increase
- favourable climatic and weather
- Available of sufficient food
ii. Decrease
-high disease epidemy
-Harsh weather conditions
(6f)
i. Deforestation
ii. Over-grazing
iii. soil compaction by tractors
iv. Use of acidic fertilizers
(6g)
i. it improve growth
ii. it improve germinal process
iii. it encourages reproduction
(6h)
i. Availabilty of microbes
ii. Availability of moisture
iii. Availability of


Verified BIOLOGY OBJ:
1-10: bdcacbbada
11-20: bdacaccaba
21-30: ccbadcddbc
31-40: dbbdbdbacb
41-50: daacbcaccb







Related Article


Posted By DUBAI4YOU On 06:43 Tue, 15 Apr 2014

Comments:0 || Views:

Comment
Name






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

Please LOGIN or REGISTER To Gain Full Access To This Article