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.
Insects are considered the most successful among the invertebrates because they?
possess exoskeletons
survive in various environmental conditions
have wings for flight
possess the ability to change their forms
Correct answer is A
It is believed that insects are so successful because they have a protective shell or exoskeleton.
The most common characteristic of the fungal hyphae is the possession of
cell-like compartment with one nucleus each
cell walls that are both rigid and chitinous
a multicellular mycelium in the substrate
cell-like partitions formed by cross-walls
Correct answer is D
Fungal Hyphae Cells 1- Hyphal wall 2- Septum 3- Mitochondrion 4- Vacuole 5- Ergosterol crystal 6- Ribosome 7- Nucleus 8- Endoplasmic reticulum 9- Lipid body 10- Plasma membrane 11- Spitzenkorper 12- Golgi apparatus
- A hypha has cross-walls which divide it into cell-like compartments that contain several nuclei
NB: A rigid cell wall is not present in slime moulds.
A plant-like feature in Euglena is the
pellicle
pigment spot
large spot
gullet
Correct answer is B
No explanation has been provided for this answer.
The absence of special food and water-conducting systems restricts the body size in
algae, liverworts, and mosses
liverworts, mosses, and ferns
the bryophytes and the pteridophytes
the thallophytes and pteridophytes
Correct answer is A
No explanation has been provided for this answer.
The rods in the retina of the eyes are examples of
cells
tissues
organs
systems
Correct answer is A
No explanation has been provided for this answer.