2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers: 2020 WAEC GCE 2nd SERIES BIOLOGY ANSWERS Night before Exam

examplaza.com answers

 

refresh always



This is actually examplaza.com 2020 WAEC GCE 2nd SERIES BIOLOGY ANSWERS, if you need 2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers, Click on the chat button to chat us on Whatsapp now. Our Answers come a night to the exam
examplaza.com answers

BIOLOGY PRACTICAL


2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
========

 

(4ai)
Tree

(4aii)
(i) temperature
(ii)rain fall
(iii) sunlight
(iv) topography
(v)wind

(4bi)
(i)it reduce fertility of the farmland
(ii)it affect the topography of the farmland
(iii)it may cause erosion
(iv)it affect Agricultural activities

(4bii)
(i)It causes imbalance
(ii)It affect the survival of organisms
(iii)It may lead to flood
(iv)It affect the distribution of gases

(4c)
(i)by issuing license
(ii)by stopping unnecessary exploration
(iii) government should promote a law that will reduce entrance into the forest

(iv)by encouraging afforestation

(4di)
(i)Y
(ii)Y
(iii)X
(iv)X

(4dii)
This is because they won't be easily identified on those barks.

(4dii)
Adaptation

(4ei)
According to the theory of natural Section S will be able to live successfully on the bark due to the possession of some characteristics

(4eii)
Flycatchers


2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
========

(1a)
(i)Nutrition
(ii)Movement

(1aii)
(i)Possession of short break for pecking

(ii)Possession of long break for piercing and sucking

(iii)Possession of short beak for pecking

(iv)Possession of long beak for piercing and sucking

(v)Possession of sharp claws for scratching the soil

(vi)Possession of web foot for swimming

(vii)Possession of hind limb for locomotion

(viii)Possession of feet for standing on water

(1b)
(i)Terrestrial habitat
(ii)Aquatic habitat
(iii)Terrestrial habitat
(iv)Aquatic habitat

(1c)
(i)parrot
(ii) domestic fowl
(iii) duck


2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
========

(2a)
(I) Elephant
(II) Zebra
(III) Rhinoceros
(IV) Crocodile
(V) Lion
(2b)
wildlife

(2c)
Endangered species

(2d)
(i)By making homes wildlife friendly
(ii)by cultivating native plants to provide food and shelter for them
(iii)by avoiding deforestation
(iv)by encouraging afforestation

(2e)
(i) deforestation
(ii)bush burning
(iii) hunting
(iv) overgrazing

(2f)
(i)they generate income when conserved
(ii)they bring about tourist attraction
(iii)they create employment Opportunity

(2g)
(i) trunck
(ii) head
(iii)Hind limb
(iv) body surface
(v)head

(4ai)
Tree

(4aii)
(i) temperature
(ii)rain fall
(iii) sunlight
(iv) topography
(v)wind

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
==

BIOLOGY OBJECTIVE

1ADADBADDAB
11CCCABCDAAD
21AACDAADBAA
31CDACBCBDCB
41BDBCBBDDCB

 


2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

(2a)
Carbon(iv)oxide + water --> Glucose + Oxygen

(2b)
(i)6
(ii)6
(iii)1
(iv)6

(2c)
(i)Plants
(ii)Chloroplast

(2d)
- Green plants use this process to make food from sunlight, Carbon(iv)oxide and Water the atmosphere.
- It is their primary source of food

(2e)
(i)Sunlight - sunlight induces the first step in this process
(ii)Chlorophyll - it is responsible for giving the plant its green colour

(2f)
- Autotrophic mode of nutrition
- Heterotrophic mode of nutrition
- Holozoic mode of nutrition

 


2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
=

 

(3)


 

(3a)
TABULATE

BIOLOGY ASSOCIATION || EXAMPLE
Commensalism - Sharks and remora fish, Tigers and golden jackals

Mutualism - Bees and flowers, humans and bacteria in the gut

Parasitism - Humans and tapeworms, cows and ticks

Neutralism - Rainbow trout, and dandevon cactus and tarantulas

(3b)
Pollution can referred to as the introduction of harmful materials or substances into our environment thereby causing adverse charges.

(3ci)
(i)It contributes to global warming
(ii)It leaves a huge carbon footprints

(3cii)
(i)it also contributes to global climate change
(ii)It emits mercury which is a neurotoxin as well as carbon dioxide

(3ciii)
(i)When it spills in aquatic bodies, it causes loss of aquatic lives
(ii)On land, crude oil spills reduce food productivity

 


2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
===

 

(6a)
(i) Dominance refers to the exertion of a major controlling influence of one or more species upon all other species by virtue of their number, size, productivity or related activities.

(ii) Size: Population size is the number of individual organisms in a population.

(iii) Density: This the number of living organisms per unit area or volume.

(6b)
(i) Frog has lungs for breathing but also breathes through its skin.
(ii) They have webbed feet, which help them to swim
(iii) They have long and strong hind limbs, which help them in leaping and catching their prey.

(6c)
(i) This is a mismatched blood transfusion. The blood will agglutinate which will lead to fatality. In such a situation, a reaction known as hemolytic transfusion reaction causes the patient's body to form antibodies that attack the new blood cells.

(ii) The patient' blood is tested and to get a matched to be transfused.

(iii) Discontinuous variation

(iv) To know the patient's rhesus factor and blood group which are parameters necessary for a successful blood transfusion

(6di)
(i) Bacteria
(ii) Plants
(iii) Animals

(6dii)
(i) Nitrosomoners
(ii) Nitrobacta
(iii) Fungi

(6e)
(i) Cook the food well
(ii) Always cover the food
(iii) Ensure the environment is always clean

 

(6a,b,c,d)


(6e)

 

 


2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC GCE 2021nd SERIES BIOLOGY Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
====

loading...


You can subscribe now to enjoy early subscription benefits..


2021 EXAM DATES
NABTEB: 14th June - 9th July
NECO: 5th July - 16th August
WAEC: 16th August - 30th Sept


Share our site to all Candidates on your WhatsApp

Beware of Scammers.... Please always use 08108515604 for all your transactions to avoid being scammed.
NOTE: Any answer that does not have badge can be chnaged, removed or updated anytime. The badge means that the answers have been verified 100% (if used exactly, you're to get nothing but A1) while without the badge means that the answer is still under verification. If you're not in a hurry, please wait for answer to be verified before you copy.
Click on the drop down links to view answer under them.
Good Luck... Invite family and friends to examplaza.com... We are the best and we post, others copy from us.


LEGIT EXPO BEST WEBSITE FOR WAEC EXPO RUNZ, NECO EXPO RUNZ, WAEC GCE EXPO RUNZ, NABTEB EXPO RUNZ, WHATSAPP GROUP LINK, LIST OF EXAM EXPO SITE, TOP BEST EXAM SITE, FREE EXAM EXPO SITE, CEEBOOKANSWERS, EXAMKEY, GURUSCAMP, EXAMBABA, EXAMGREAT, EXPOLOADED, EXAMLOADED, EXAMLORD, GURUSFAMILY, EXPOTAB, GIDIFANS, EXAMPIN, EXAMAFRICA, WAEC CLASS, WAEC WHATSAPP GROUP LINK, EXAM ANSWER, EXPO LEGIT, FUNLOADED, EXPO ANSWER, FREE WAEC EXPO SITE, FREE NECO EXPO SITE

QUESTIONS AND ANSWERS FOR 2021 WAEC GCE 2021nd SERIES BIOLOGY ANSWERS


EXAM DETAILS:


PIN: 7007
Subject:
Exam:
Year:
Updated At: June 16th 2021, (01:06:20)

SEE ALSO: 2018 Waec Gce economics answers
SEE ALSO: Neco Gce 2018. English language answers. (unsubscribed)
SEE ALSO: 2020 WAEC MAY/JUNE OFFICE PRACTICE ANSWERS
SEE ALSO: 2020 WAEC MAY/JUNE WAEC EXPO YORUBA ANSWERS
SEE ALSO: 2021 NABTEB GCE Mathematics Answers
SEE ALSO: 2020 WAEC GCE 2nd SERIES COMMERCE ANSWERS
SEE ALSO: 2020 WAEC MAY/JUNE CIVIC ANSWERS
SEE ALSO: 2021 NABTEB GCE Physics Answers
SEE ALSO: GEOGRAPHY I, II & III WAEC 2020 MAY/JUNE ANSWERS
SEE ALSO: 2020 WAEC MAY/JUNE GOVERNMENT ANSWERS
SEE ALSO: 2021 WAEC GCE First (1st) Series Civic Education Answers
SEE ALSO: 2018 neco fishery answer
SEE ALSO: 2020 NECO FURTHER MATHEMATICS ANSWERS
SEE ALSO: 2019 waec Fisheries Answers
SEE ALSO: 2020 NECO AGRICULTURAL SC. PRACTICAL ANSWERS
SEE ALSO: Neco Gce 2018. Biology practical answers
SEE ALSO: 2020 WAEC MAY/JUNE Chemistry Practical Answers
SEE ALSO: Neco Gce 2018. Geography answers
SEE ALSO: 2020 NECO VISUAL ART ANSWERS
SEE ALSO: 2018 Neco Data processing answers
SEE ALSO: 2020 WAEC GCE 2nd series Chemistry Answers
SEE ALSO: 2020 NECO LIT-IN-ENGLISH ANSWERS
SEE ALSO: 2020 NABTEB LITERATURE ANSWERS
SEE ALSO: 2020 NECO YORUBA ANSWERS
SEE ALSO: 2020 WAEC C.R.S ANSWERS
SEE ALSO: 2018 neco igbo answers
SEE ALSO: 2018 Neco Literature answers
SEE ALSO: 2021 NECO GCE COMMERCE ANSWERS
SEE ALSO: 2020 NECO Salesmanship & Store Keeping Answers
SEE ALSO: 2018 neco commerce answers
Njideka said: I got admitted to FUOYE with expodaddy help... view all reviews