WAEC Biology Questions 2021 Answers For Theory And Obj | Verified Expo

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WAEC Biology Questions 2021 and Answers, Free WAEC Biology Objective, theory Answers for WAEC (May/June) 2021 Biology examination. Verified WAEC 2021 Biology objective and theory answers for sure distinction in WAEC result in Biology expo runz .The West African Examinations Council (WAEC) is an examination board established by law to determine the examinations required in the public interest in the English-speaking West African countries, to conduct the examinations and to award certificates comparable to those of equivalent examining authorities internationally..

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WAEC Biology Questions 2021

WAEC 2021 Biology verified questions Loading.

Today’s WAEC Biology OBJ Answers: (2021 Answers)

For Accuracy, Answers will be loaded in this page 2 hours to the main exam. 

WAEC Biology Obj Answers  

2021Biology OBJ:

1-10 ABBDBBBCDD
11-20 ABDDCDCCBC
21-30 ACDABBBCAD
31-40 ACDABBBCDA

 

 

WAEC Biology Questions 2021 Theory Answers (Expo)

6ai)
External fertilization is a mode of reproduction in which a male organism’s sperm fertilizes a female organism’s egg outside of the female’s body.

(6aii)
Internal fertilization occurs most often in land-based animals, although some aquatic animals also use this method. There are three ways that offspring are produced following internal fertilization.

6bi)
(i)Toad
(ii)Frog

(6bii)
(i)Goat
(ii)Cow

(6ci)
(i)the foetus will not get oxygen
(ii)the foetus will not get nutrients.
(iii)waste products from your baby’s blood will not be removed

(6cii)
[pick three] (i)fundus
(ii)corpus
(iii)isthmus
(iv)cervix.
====================================

(1ai)
When the head moves or changes position,the endolymph fluid in the semi-cricular canals moves and stimulates the nerve endings. The nerve endings then transmit the impulses through vestibular to the cerebellum of the brain where the new position at the head is interpreted and the appropriate responses sent to the muscular system to maintain body balance

(1aii)

(1aiii)
The middle ear in human can be split into three parts; external, mdiddle and inner. The middle ear lies within the temporal bone, and extends from the tympanic membrane to the lateral wall of the inner ear. The main function of the middle ear is to transmit vibrations from the tympanic membrane to the inner ear via the auditory ossicles.

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