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.
An example of arboreal animal is?
squirrels
duck
pig
rat
Correct answer is A
Arboreal animals are those animals that spend most of their life on trees. They feed, travel, play, and sleep on trees.
1. Koalas · 2. Black spider monkeys · 3. Siamang Gibbon · 4. Three-toed Sloth · 5. squirrel · 6. Rough green snake · 7. Veiled Chameleons · 8. Common brown lemurs.
The internal structure of a leaf that has larger air space is?
palisade mesophyll
epidermis
spongy mesophyll
vascular bundles
Correct answer is C
The spongy mesophyll's function is to allow for the interchange of gases (CO 2) that are needed for photosynthesis.
A universal recipient of blood belongs to blood group?
O
AB
B
A
Correct answer is B
Blood donors with type O- (O negative) red blood cells are referred to as universal donors and their red blood cells can be given to any other blood type.
Type AB-positive blood is called the "universal recipient" type because a person who has it can receive blood of any type.
Lack of nucleus is a feature in?
osteocyte
neuron
erythrocyte
leucocyte
Correct answer is C
Red blood cells are microscopic and have the shape of a flat disk or doughnut, which is round with an indentation in the center, but it isn't hollow.
Red blood cells don't have a nucleus like white blood cells, allowing them to change shape and move throughout your body easier.
The development of big muscles by a wrestler is an example of?
acquired characteristics
inherited characteristics
mutation
atrophication
Correct answer is A
Acquired traits include things such as calluses on fingers, larger muscle size from exercise or from avoiding predators.