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.
One major difference between plant and animal nutrition is the ability of plants to synthesize
Food for plants and animals
Water for plants
Water for animals
Food for plants only
Correct answer is A
The food produced by plants serve as food both for the plants and animals (herbivores and in extension, all animals).
The source of energy required by plants during food production is
Photosynthesis
Chlorophyll
Sunlight
Microorganisms
Correct answer is C
The food production process (photosynthesis) makes use of the energy of light for the process.
In the diagram above, the larva is also known as
Nymph
Caterpillar
Maggot
Chrysalis
Correct answer is B
The diagram is the life cycle of a butterfly whose larva is called caterpillar.
Housefly
Butterfly
Cockroach
Mosquito
Correct answer is B
From the diagram, the larva is a caterpillar, hence, the adult is called a Butterfly.
The structures for gaseous exchange in breathing roots are
stomata
lenticels
cuticle
mitochondria
Correct answer is B
Breathing roots, also known as pneumatophores, have portions of the root which grow upward until they project some centimetres above the low-tide level. They have small openings called lenticels in their bark so that air can reach the rest of the plant’s root system.