2022/2023 WAEC/NECO Answers: 2022 Gce Waec Biology



+234 8108515604 +234 8138274394

Notice
Please send all daily subscription as text message and not on WhatsApp. Always note that if you really want to do well in this exam, daily subscription is never a good option because you will always be disappointed because of delay in response due to much number of chats. All our payment are now strictly on MTN airtime.. Also note that Our 2022 WAEC Midnight Answers Subscription ends on Mon 30th May 2022. Note: we don't accept calls. Please, we beg you in the name of God, do all your daily subscriptions AT LEAST a day before the exam, we may not have time to attend to you for daily subscriptions on the exam day. This is examplaza.com, we source other websites.
ID 50


Refresh in every 5 minutes  starting from 1hour to the exam

This is actually the 2019 Gce Waec Biology Answers as questions sent to our subscribers on WHATSAPP, if you are looking for 2022 WAEC/NECO Answers midnight before the exam, try contacting us.

2022 WAEC Expo: The best website and whatsapp group for 2022 waec EXPO


G(1a)
Tabulate
VERTEBRAE    | LOCATION
(i) cervical | neck region
(ii) Thoracic| chest region
(iii) Lumbar | upper abdomen
(iv) sacral  | lower abdomen
(v) caudal   | tail region

(1b)
(i) Palisade: It serves as site for photosynthesis
(ii) Vascular bundle: This transport substances to various parts of the plant
(iii) Epidermis: It Protects against water loss

(1c)
(i) Sieve tube: A means for transporting sugar in the plant
(ii) Cortex: for storage of food
(iii) Pith: stores and transports nutrients throughout the plant

(1di) EXTERNAL FEATURES:
Stem:
(i) Presence of leaves
(ii) Possession of lowers

Root:
(i) Absence of leaves
(i) Absence of flowers

(1dii) INTERNAL FEATURES:
Stem:
(i) Possession of phloem
(ii) Presence of pith

Root:
(i) Possession of xylem
(ii) Absence of pith

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

(2a)
(i)Muscular contractions
(ii)Villi and microvilli
(iii)Digestive Enzymes

(2b)
Plants have both chloroplasts and mitochondria and they are convert to starch immediately for storage. The former makes the sugar and the latter turns it into ATP. In other words is the process by which plants use light energy to convert carbon dioxide and water into sugars.

(2ci)
 Euglena: use their chloroplasts to produce nutrients through photosynthesis. It is a dual organism as it can act both as an autotroph (make its own food) and heterotroph (feed on other substances).

(2cii)
Spirogyra: Longata performs photosynthesis to receive its nutrients. This alga contains special cells called stomata that open and close so the organism can take in carbon dioxide and release oxygen during the chemical reaction in photosynthesis

(2d)
(i)Salinity
(ii)Fresh water
(iii)Tidal Influence

(2e)
Tabulate
-Under Aquatic Habitat-
(i)they live in water
(ii)they respirate through gills or skin
(iii)they have stream line body
-Under Terrestrial Habitat-
(i)they live on land
(ii)they respirate through lungs
(iii)they have muscle and are more stronger to locomote



(3ai)
(i) Illegal falling of trees
(ii) Bush burning
(iii) Lack of public awareness
(iv) Inadequate legislation and monitoring
(v) Illegal mining by unscrupulous individual

(3aii)
(i) Establishment of forestry departments;
(ii) Establishment of Environment Protection Agency to improve the natural conservation
(iii) Creation of Parks and Games Reserves
(iv) Conservation education should be carried out through tree planting to campaign against bush burning, tree felling  or poaching
(v) Establishment of zoological gardens for preserving endangered species.

(3b)
An endangered species is a species of animal or plant that is seriously at risk of extinction. This extinction is usually as a result of human activity.

(3ci)
Blood group genotype of the child is = A

(3cii)
Blood group genotype of the father is = AO, OO, AO, OO

(3d)
(i) It helps to improve crop yield
(ii) It helps in production new varities of crops
(iii) It helps in studying the plant diseases and ways of controlling them.

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


(5a)
Tabulate,Mode of feeding, features,

(i)Adult mosquito
-Mode Of feeding-
(i)They feed on algae, plankton, fungi and bacteria and other microorganisms In other microorganisms words Externally, the most obvious feeding structure of the Adult mosquito is the proboscis.
-Feature of mouthpart that adapts organism to mode of feeding-
(i)are very specialized, particularly those of the females, which in most species are adapted to piercing skin and then sucking blood.

(ii)Weevil
-Mode of feeding-
(i)they feed either on a single plant species or on closely related ones. In other words  Adult weevils tend to be less-specialized in their feeding habits
-Feature of mouthpart that adapts organism to mode of feeding-
(i)consisting of two opposing mandibles, which are used to remove leaf sections or entire leaves. In other words it demonstrate on them to use phloem sap as their exclusive food source. ... Leaf-feeding beetles (Order Coleoptera) possess “chewing”

(iii)Cockroach
-mode of feeding-
(i)they have adopted themselves to all types and sizes of diet. To handle the various types of food all the appendages of cockroach act synchro­nously.
-Feature of mouthpart that adapts organism to mode of feeding-
(i)The mouth parts are composed of paired appendages like mandibles and maxillae and unpaired structures like labi­um, hypo-pharynx and labrum

(5b)
(i)Mouth and Buccal Chamber
(ii)Pharynx
(iii)Oesophagus
(iv)Gizzard
(v)Stomach

(5c)
(i) Manure spreading
(ii) Fertilizing
(iii) Pesticides
(iv) Animal dungs
(v) Sewage

(5d)
The housefly life cycle closely mirrors that of most insects: a basic cycle that begins with an egg, then develops through a larva phase, a pupa phase, and finally, into an adult. During a warm summer -- optimal conditions for a housefly -- the cycle, from fertilized egg to adult, spans a mere seven to 10 days. After a male housefly chases down and fertilizes a female counterpart, she's ready to lay her eggs. Houseflies are solitary creatures.

BIOLOGY ANSWERS WILL BE POSTED HERE












Always Refresh for New Answer to Enter During Exam






How do I get 2021 Gce Waec Biology BEFORE THE EXAM?
. You can get 2020/2021 Exam answers directly from examplaza.com, visit HERE NOW
Tags:

FAQ

WEBSITE: Related Posts

Answers 2022/2023: How do I get 2022 Waec Gce Health Science & Health Education answers hours/night before the exam? Examplaza sends answers night to the exam. Visit examplaza.com


2022/2023 WAEC/NECO Answers: 2022 Waec Gce Health Science & Health Education answers

Answers 2022/2023: How do I get 2022 Waec Gce geography answers hours/night before the exam? Examplaza sends answers night to the exam. Visit examplaza.com


2022/2023 WAEC/NECO Answers: 2022 Waec Gce geography answers

WAEC Financial Acc. Answers 2022: How do I get 2022 Waec accounting answers hours before the exam? Examplaza sends answers night to the exam. Visit examplaza.com


2022 WAEC Accounting Answers: 2022 Waec Financial accounting answers

Answers 2022/2023: How do I get 2022 Waec Gce Physics answers. hours/night before the exam? Examplaza sends answers night to the exam. Visit examplaza.com


2022/2023 WAEC/NECO Answers: 2022 Waec Gce Physics answers.

Answers 2022/2023: How do I get 2022 Waec Gce geography answers hours/night before the exam? Examplaza sends answers night to the exam. Visit examplaza.com


2022/2023 WAEC/NECO Answers: 2022 Waec Gce geography answers

Answers 2022/2023: How do I get WAEC GCE 2022. Chemistry 3 answers hours/night before the exam? Examplaza sends answers night to the exam. Visit examplaza.com


2022/2023 WAEC/NECO Answers: WAEC GCE 2022. Chemistry 3 answers

Answers 2022/2023: How do I get Waec Gce 2022. Lit. In English Answers hours/night before the exam? Examplaza sends answers night to the exam. Visit examplaza.com


2022/2023 WAEC/NECO Answers: Waec Gce 2022. Lit. In English Answers

Answers 2022/2023: How do I get Waec Gce 2022. Government answers hours/night before the exam? Examplaza sends answers night to the exam. Visit examplaza.com


2022/2023 WAEC/NECO Answers: Waec Gce 2022. Government answers

Answers 2022/2023: How do I get 2022 Waec Gce. Agric practical answers hours/night before the exam? Examplaza sends answers night to the exam. Visit examplaza.com


2022/2023 WAEC/NECO Answers: 2022 Waec Gce. Agric practical answers

Answers 2022/2023: How do I get 2022 Waec Gce. Civic Education answers hours/night before the exam? Examplaza sends answers night to the exam. Visit examplaza.com


2022/2023 WAEC/NECO Answers: 2022 Waec Gce. Civic Education answers


Please send all daily subscription as text message and not on WhatsApp. Always note that if you really want to do well in this exam, daily subscription is never a good option because you will always be disappointed because of delay in response due to much number of chats. All our payment are now strictly on MTN airtime.. Also note that Our 2022 WAEC Midnight Answers Subscription ends on Mon 30th May 2022. Note: we don't accept calls. Please, we beg you in the name of God, do all your daily subscriptions AT LEAST a day before the exam, we may not have time to attend to you for daily subscriptions on the exam day. This is examplaza.com, we source other websites.