NECO BIOLOGY ANSWERS

ALWAYS SUBSCRIBE TO AVOID LATE ANSWERS!!.. SUBSCRIBERS GET ANSWERS B4 EXAM!

SUBSCRIBE ALL SUBJECT WITH JUST 4,000 (MTN CARD).. SMS/WHATSAPP: 09034012153.

>> For Full NECO Subscription (CLICK HERE)

COMPLETED

Biology OBJ:
1BAEADBEEEC
11DADBDCDDDB
21ADECBDADEC
31DADAAAACBA
41BCEABCCCDD
51EABBDDCCBB


NOTE: YOU ARE TO ANSWER JUST THREE(3)


1ai)
i)Plants need sunlight for the process of photosynthesis.
ii)Plants use chlorophyll and light to make food.

1b)
i)Humerus
ii)Radius
iii)Ulna
iv)he ball and socket shoulder joint
v) Scapula

1c)
I)they perform the defence duty
ii)they under go the most labour within
iii)worker are tasked with the digestion of cellulose in food

1d)
An ecosystem includes all of the living things (plants, animals and organisms) in a given area, interacting with each other, and also with their non-living environments (weather, earth, sun, soil, climate, atmosphere).

1e)
CLICK HERE FOR THE DIAGRAM


3ai)
i)Liver cancer
ii)Hepatitis
iii)Cirrhosis
3aii)
-Plant cell-
i)presence of cell wall
ii)presence of chloroplast
iii)Presence of sparse cytoplasm
iv)presence of small vacuole
v)Absence of centrosome
-Animal cell-
i)Absence of cell wall
ii)Absence of chloroplasts
iii)Presence of dense cytoplasm
iv)Presence of small vacuole
v)Presence of Center some

3b)
CLICK HERE FOR THE DIAGRAM

3ci)
i)Parenchyma
ii)Collenchyma
iii)Wood(Xlem)
3cii)
i)They are able to regulate their inner body temperature to the temperature of the
environment.
ii)They have scaly skins but absence of hair or fur.


4ai)
diffusion is defined as the process by which molecules or ion move from a region of high concentrations to a region of low concentration until they are evenly distributed
4aii)
osmosis is defined as the process by which water molecules move from a region of dilute or wicker solution to stronger solution through a selectively or permeable membrane
4aiii)
plasmolysis is defined as the outward movement or flow of water from a living cell when they are place in an hyoertonic solution

4bi)
i)lack of sleep
ii)lack of privacy
iii)poor hygiene
iv)lost if physical contact
4bii)
I)prevention of pollution to prevent the destruction of aquatic life
ii)prohibition of killing or poaching of animals in game reserve
4biii)
I)dog
ii)horse

4ci)
Metamorphosis is a biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal’s body structure through cell growth and differentiation.
4cii)
i)cockroaches
ii)termites
4ciii)
i)Tomatoes
ii)Oranges


2ai)
gene is a sequence of DNA or RNA which codes for a molecule that has a function. During gene expression, the DNA is first copied into RNA.
2aii)
Implantation: The act of setting in firmly. In embryology, implantation refers specifically to the attachment of the fertilized egg to the uterine lining, which occurs approximately 6 or 7 days after conception (fertilization).
2aiii)
group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus and denoted by a Latin binomial, e.g. Homo sapiens.
2aiv)
A saprophyte or saprotroph is an organism which gets its energy from dead and decaying organic matter.

2bi)
i)It gives support and shape to the body
ii) It helps in the production of white blood cells
iii) It aids free movements
iv) It helps in the attachment of muscles
2bii)
i)Biceps
ii)Triceps
2biii)
i)Lipase
ii)Maltase
iii)Amylase
FUNCTION:
-Lipase breaks down dietary fats into smaller molecules called fatty acids and glycerol.
-Maltase converts maltose to glucose
-Amylase converts starch to maltose

SEE ALSO:   NECO 2018/2019 Commerce Answers - June/July – Expo
CONNECT WITH NAIJAGOODIES FOR MUSIC PROMOTION
Call +2349034012153 or Chat with us on whatsapp For Music Promo Only