BIOLOGY PRACTICAL WAEC ANSWERS

 Biology ANSWERS 💯.............

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

(1di)
Fungi

(1dii)
(i)Eukaryotic organism
(ii)Absence of chlorophyll
(iii)Cell walls made of chitin instead of cellulose 

(1diii)
(i)Molds 
(ii)Mildews
(iii)Smuts 
(iv)Rusts
(v)Yeast

(1ei)
Mullosca

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(2a) 
E: Succulent Fruit
F: Berry/Flesh Fruit
H: Legume/Pod 

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

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

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

(2dii)
(choose any 2)
i. Vitamin C
ii. Potassium 
iii. Amino acid
iv. Magnesium

(2e)
(i) green
(ii) It signifies that it's still young.

(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

- Medium of spread: Water

- Sense organ: Eye

-Specimen R-

- Test: Cut section of specimen R

- Observation time(seconds): 2 seconds or almost immediately

- Medium of spread: Air

- Sense organ: Nose

(4b)

The biological phenomenon occurred is diffusion

(4c)

(i)

- Stiring

- heating

(ii)

- Shaking

- Stiring

(iii)

- Size of medium

- Wind

(4di)

DRAWING

(4dii)

It is Whorl

(4diii)

- Loop

- Whorl

- Arch/Compound

(4div)

- It is used in crime detection

- It is used as mark of identity

- It is used to determine paternity of a child

(4dv)

It is physiological variation

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