logo



student ONLINE CANDIDATES : 76




PAYMENT FOR WAEC AND JAMB EXPO HAS STARTED, PAY NOW!!!



neco runs

WAEC / NECO / NABTEB /GCE SUBSCRIPTION PAYMENT EXPO


HOW TO PAY FOR WAEC / NECO/ NABTEB /GCE ANSWER:

ALL SCIENCE ANSWERS + PRACTICAL COST: N5,500

ALL ART OR COMMERICAIL ANSWERS COST #4,500

 

WHATSAPP US AND SEND:- EXAM TYPE + MTN-CARD + PHONE NUMBER + SUBJECT TO 09055986588 (ONLY ON WHATSAPP)

UPDATE: Our Waec, Neco and Nabteb Exam Runs Payment is on, Earlyanswer is 100% Legit (Invite Your Classmates,Friends Here)

Answer Page

Answer Page

Confirmation page

Verify NECO / WAEC Payment




« PREVIOUS POST:

| NEXT POST:

»

2020 WAEC GCE/WASSCE PRIVATE SECOND SERIES BIOLOGY OBJ AND ESSAY QUESTIONS AND ANSWERS

BIOLOGY OBJ

1ADADBADDAB

11CCCABCDAAD

21AACDAADBAA

31CDACBCBDCB

41BDBCBBDDCB

____________________________________________________

(2)


(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

===========================================

(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

===========================================

(6a,b,c,d)

(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


(6e)


===========================================

COMPLETED…. 

Posted by on 21st November 2020.

Tags: , , , , ,

Categories: Waec Gce

HOW TO WIN MTN CARD FROM EARLYANSWER
 
CLICK HERE TO SHARE THIS WEBSITE TO YOUR WHATSAPP FRIENDS / GROUPS AND WIN MTN CARD NOW

Chat Admin After You Share To 20 People On Whatsapp to Redeem The Price

Click here to submit your phone number for free updates about WAEC , NECO, NABTEB, GCE.

2024/2025 EXAM RUNS UPDATES👇

CLICK HERE TO GET WAEC 2024 EXAM RUNS


CLICK HERE TO GET NECO 2024 EXAM RUNS


CLICK HERE TO GET NABTEB 2024 EXAM RUNS


Our Answer Page for All Examination

0 Responses

Leave a Reply

« PREVIOUS POST:

| NEXT POST:

»