2021 WAEC MAY/JUNE BIOLOGY PRACTICAL Questions & Answers: 2020 WAEC MAY/JUNE BIOLOGY PRACTICAL ANSWERS Night before Exam

examplaza.com answers

Monday, 31st August 2020
Biology 3 (Practical) (Alternative A) – 09:30 a.m. – 11:30a.m. (1st Set)
Biology 3 (Practical) (Alternative A) – 12:00 p.m – 2:00 p.m. (2nd Set)

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

==COMPLETED==



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

(1ai)

TABULATE

- TEST: Specimen B + 2drops of iodine solution

- OBSERVATION: No precipitate is found (No reaction is occurring)

INFERENCE: It indicates specimen B contains no starch content

(1aii)
TABULATE

- TEST: Specimen B + 2ml of NaOH(aq) + 3 drops of CuSO4 + shake

- OBSERVATION: The mixture will turn to purple or violet colour

- INFERENCE: Protein is present

(1b)
(i) Test for starch
(ii) Test for protein (Biurets test)

(1c)
- Additional income is obtained through quality mushrooms
- They contain vitamins and proteins and Laos acts as antioxidants supporting the immune system

(1di)
Fungi

(1dii)
- Eukaryotic organism
- Absence of chlorophyll
- Cell walls made of chitin instead of cellulose

(1diii)
- Moulds
- Mildews
- Smuts
- Rusts
- Yeast

(1ei)
Mollusca

(1eii)
- Presence of tentacles
- Possession of soft and unsegmented bodies
- The body is covered by a mantle and she'll
- They are bilaterally symmetrical
- They are triploblastic with three layers

(1fi)
- Specimen C (mushrooms) are decomposers breaking down surface waste releasing nitrogen back into the soil in form of ammonium nitrate, a nutrient essential for plant survival

(1fii)
Saprophytic mode of nutrition

 


2021 WAEC MAY/JUNE BIOLOGY PRACTICAL Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC MAY/JUNE BIOLOGY PRACTICAL Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC MAY/JUNE BIOLOGY PRACTICAL Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
==
(2a)
E: Succulent Fruit
F: Berry/Flesh Fruit
H: Legume/Pod

(2b)
E: Parietal Placentation
F: Axile Plancentation

(2c)
E: Human
F: Animal
H: Explosive Mechanism

(2di)
Specimen E attracts birds, squirrels, and other small mammals. Consumption of the fruit will lead to dispersal of the seeds in faeces (by a human)

(2dii)
Vitamin C, Magnesium, Iron, Copper, and Manganese.

 

(2ei)
Green

(2eii)
It signifies that the pod is young and immature

(2fi)
Marginal placentation

(2fii)

2021 WAEC MAY/JUNE BIOLOGY PRACTICAL Questions & Answers: 2020 WAEC MAY/JUNE BIOLOGY PRACTICAL ANSWERS Night before Exam


2021 WAEC MAY/JUNE BIOLOGY PRACTICAL Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC MAY/JUNE BIOLOGY PRACTICAL Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)
=

(4a)
TABULATE
- Specimen P-
- Test: 2 drops of specimen P in water
- Observation time(seconds): 3-4 seconds before it dissolves
- Medium of spread: Water
- Sense organ: Eye

-Specimen Q-
- Test: Teaspoon of specimen Q + water
- Observation time(seconds): Dissolves within 65 seconds
- The medium of spread: Water
- Sense organ: Eye

-Specimen R-
- Test: Cut section of specimen R
- Observation time(seconds): 2 seconds or almost immediately
- The medium of spread: Air
- Sense organ: Nose

(4b)
Osmosis

(4c)
(i)
- Increase in temperature
- Difference in concentration
(ii)
- Molecular size
- Increase in temperature
(iii)
- Increase in temperature
- Difference in concentration

(4di)

(4dii)
It is Whorl

(4diii)
- Loop
- Whorl
- Arch/Compound

(4div)
- Crime detections
- Identification of individuals
- Genetic variation in man

(4dv)
Discontinuous variation


2021 WAEC MAY/JUNE BIOLOGY PRACTICAL Questions & Answers (ESSAY, OBJ, THEORY, PRACTICALS ETC)

2021 WAEC MAY/JUNE BIOLOGY PRACTICAL 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 MAY/JUNE BIOLOGY PRACTICAL ANSWERS


EXAM DETAILS:


PIN: 3842
Subject:
Exam:
Year:
Updated At: June 16th 2021, (02:06:20)

SEE ALSO: 2020 WAEC COMMERCE ANSWERS
SEE ALSO: 2021 NECO GCE IGBO ANSWERS
SEE ALSO: 2021 NABTEB F/ACCOUNTING ANSWERS
SEE ALSO: 2021 NECO GCE Government Answers
SEE ALSO: 2020 WAEC MAY/JUNE PHYSICS PRACTICAL
SEE ALSO: 2020 WAEC GCE 2nd SERIES MATHEMATICS ANSWERS
SEE ALSO: 2019 waec Store Management 2 Answers
SEE ALSO: 2020 WAEC MAY/JUNE ANIMAL HUSBANDRY ALT B ANSWERS
SEE ALSO: 2018 neco gce. Yoruba answers
SEE ALSO: 2021 NECO GCE ENGLISH LANGUAGE ESSAY & OBJ ANSWERS
SEE ALSO: 2021 NECO GCE CIVIC EDUCATION ANSWERS
SEE ALSO: 2020 WAEC GCE 2nd series Agricultural Sci. Answers
SEE ALSO: 2020 WAEC GCE 2ND SERIES IGBO, HAUSA & YORUBA ANSWERS
SEE ALSO: 2019 waec Animal Husbandry Answers
SEE ALSO: 2021 NABTEB GCE Chemistry Answers
SEE ALSO: 2019 Waec Gce Geography PRAT Answer
SEE ALSO: 2018 Waec Gce accounting answers
SEE ALSO: 2020 WAEC FISHERIES PRACTICAL & CATERING PRACTICAL MAY/JUNE ANSWERS
SEE ALSO: 2018 Waec Gce. Agric practical answers
SEE ALSO: 2021 NECO GCE FINANCIAL ACCOUNTING ANSWERS
SEE ALSO: Chemistry Answer
SEE ALSO: WAEC 2020 MAY/JUNE DATA PROCESSING ANSWERS
SEE ALSO: 2018 Waec Gce answers. Further maths
SEE ALSO: Waec Gce 2018. Government answers
SEE ALSO: 2018 Waec Gce biology answers
SEE ALSO: WAEC 2019 Data Processing
SEE ALSO: 2020 WAEC MAY/JUNE AGRICULTURAL Sc. ANSWERS
SEE ALSO: 2020 WAEC MAY/JUNE HEALTH SCI. ANSWERS
SEE ALSO: 2018 Waec Gce. Civic Education answers
SEE ALSO: 2020 WAEC MAY/JUNE CIVIC ANSWERS
ANTHONY HELEN CHINAZA said: 76957660BI check for me... view all reviews