How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.
Germination is the process in which a seed
Begins to photosynthesize
Develops into a mature plant
Absorbs nutrients from the soil
Breaks dormancy and starts to grow
Correct answer is D
Germination refers to the process by which a seed breaks dormancy and starts to grow into a new plant. Germination occurs when a seed is exposed to favorable environmental conditions, including proper moisture, oxygen availability, and suitable temperature.
Glaucoma
Myopia
Cataracts
Astigmatism
Correct answer is B
Myopia, also known as nearsightedness, is an eye defect characterized by the inability of the eye to focus light on the retina. Myopia is characterized by the ability to see nearby objects clearly while distant objects appear blurred. It occurs when the eyeball is elongated or the cornea is too curved, causing the incoming light to focus in front of the retina instead of directly on it.
Which of the following is the correct classification of carbohydrates?
Lipid
Phytonutrient
Macronutrient
Micronutrient
Correct answer is C
Carbohydrates are classified as macronutrients. Macronutrients like carbohydrates are a major source of energy in the diet and are classified as such.
Which of the following organs is primarily responsible for excretion in humans?
Liver
Pancreas
Kidneys
Lungs
Correct answer is C
The kidneys are primarily responsible for excretion in humans. The kidneys are the major excretory organs in humans. They filter waste products, excess ions, and water from the blood to produce urine, which is then eliminated from the body.
Metamorphosis is a biological process that involves
The growth and development of an organism from a zygote to an adult
The change in form and structure during the life cycle of certain organisms
The regeneration of lost body parts in an organism
The transformation of an organism from an adult stage to a larval stage
Correct answer is B
Metamorphosis is commonly observed in certain animal groups, such as insects (e.g., butterflies, beetles) and amphibians (e.g., frogs, salamanders). It involves a dramatic change in body form and structure as an organism progresses through distinct stages of its life cycle. These stages may include egg, larval, pupal, and adult phases.
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