2024 WAEC BIOLOGY: WAEC Biology (Bio) 2024 Questions and Legit Answers (4889)
WAEC Biology (Bio) 2023 Questions and Legit Answers Password/Pin/Code is 4889. You can use it to view 2024 Biology Answers A day before the exam.
BIOLOGY
01-10: CABADCCBCD
11-20: DBCDDBDBBC
21-30: ADABDAADCD
31-40: BBCBDCBBBB
41-50: ABCCBCACDA
COMPLETED
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This is WAEC Biology (Bio) 2024 Questions and Legit Answers No. 1
(2a)
[FILL IN THE TABLE WITH THIS]
IRON:
Function:
(PICK ANY ONE)
-Chlorophyll formation
-Electron transport in photosynthesis
-Enzyme activation
-Nitrogen fixation
Effects of deficiency in plants:
(PICK ANY ONE)
-Chlorosis (yellowing of leaves)
-Stunted growth
-Reduced fruit and seed production
-Interference with nutrient uptake
MOLYBDENUM:
Function:
(PICK ANY ONE)
-Nitrogen fixation
-Enzymatic reactions
-Iron uptake and utilization
-Seed germination and growth
-Chlorophyll formation
Effects of deficiency in plants:
(PICK ANY ONE)
-Reduced nitrogen fixation
-Chlorosis (yellowing of leaves)
-Impaired sulfur metabolism
-Abnormal phosphorus uptake
-Altered enzyme activity
POTASSIUM
Function:
(PICK ANY ONE)
-Osmotic regulation
-Enzyme activation
-Protein synthesis
Effects of deficiency in plants:
(PICK ANY ONE)
-Stunted growth.
-Leaf chlorosis.
-Weak stems.
-Reduced flower and fruit production.
-Increased susceptibility to diseases and pests.
COPPER
Function:
(PICK ANY ONE)
-It plays a vital role in activating various enzymes within plants
-It helps to facilitate photosynthesis
-It helps 'copied from e x p o c o d e . n e t free' facilitate respiration in plants
(PICK ANY ONE)
Effects of deficiency in plants:
-Stunted growth
-Yellowing of leaves
-Death of plant tissue
-Reduced fertility
-Increased susceptibility to diseases
NITROGEN
Function:
(PICK ANY ONE)
-It helps in building proteins
-It is a fundamental constituent of nucleic acids and DNA
-It helps in formation of chlorophyll
-It helps in energy transfer and metabolism
-It is an enzyme co-factor
Effects of deficiency in plants:
(PICK ANY ONE)
-Reduced photosynthesis
-Poor protein synthesis
-Leaf necrosis
-Increased susceptibility to diseases and pests.
-Impaired nutrient transport
(2b)
(PICK ANY THREE)
(i) Fruits and Vegetables
(ii) Grains and Cereals
(iii) Legumes and Pulses
(iv) Nuts and Seeds
(v) Dairy Products
(vi) Meat, Poultry, and Fish
(2ci)
BUCCAL CAVITY:
(PICK ANY TWO)
(i) The buccal cavity is the entry point for food and liquids into the digestive system.
(ii) The buccal cavity is responsible for chewing or masticating food.
(iii) The buccal cavity contains salivary glands that produce saliva.
(iv) The buccal cavity plays a vital role in speech production.
(2cii)
DUODENUM
(PICK ANY TWO)
(i) The duodenum receives partially 'copied from e x p o c o d e . n e t free' digested food from the stomach and continues the process of digestion.
(ii) The duodenum is involved in the absorption of nutrients from digested food.
(iii) The duodenum plays a role in regulating the overall process of digestion.
(iv) The duodenum secretes several important hormones that regulate various aspects of digestion.
(2ciii)
STOMACH
(PICK ANY TWO)
(i) One of the primary roles of the stomach is to store food temporarily after it has been ingested.
(ii) The stomach aids in the mechanical digestion of food through muscular contractions known as peristalsis.
(iii) The stomach secretes gastric juices, primarily composed of (HCl) and enzymes such as pepsin, which play a crucial role in chemical digestion.
(iv) The stomach controls the rate at which food is released into the small intestine.
(2d)
Glucose and fructose
This is WAEC Biology (Bio) 2024 Questions and Legit Answers No. 2
This is WAEC Biology (Bio) 2024 Questions and Legit Answers No. 2 (V2)
(3a)
I: Saprophytism
II: Commensalism
III: Mutualism
IV: Predation
V: Parasitism
(3b)
(i) B: Prey
(ii) G: Predator
(3c)
B: Rabbit
C: Vultures
D: Lion
E: Remora fish
F: Cleaner shrimp
G: Hyenas
H: Ticks
J: Dogs
(3di)
Mutualism
(3dii)
There is a mutual exchange of resources or protection that enhances the survival of both organisms.
(3ei)
(i) Saprophytic Fungi
(ii) Bacteria
(3eii)
Decomposers
This is WAEC Biology (Bio) 2024 Questions and Legit Answers No. 3
This is WAEC Biology (Bio) 2024 Questions and Legit Answers No. 5
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