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.
The matured sex cell which takes part in sexual reproduction is referred to as
gamete
fetus
embryo
zygote
Correct answer is A
Gametes are reproductive cells (sex cells) that unite during sexual reproduction to form a new cell called a zygote. Male gametes are sperm and female gametes are ova (eggs).
Embryo is the stage of animal development in the uterus before the animal is considered a fetus. In humans this is equivalent to the first three months.
Which of the following statements about protoplasm of a cell is not correct? It
comprises of the nucleus
consists of the cytoplasm
comprises of the cell organelles
consists the nucleus only
Correct answer is D
No explanation has been provided for this answer.
The following organisms have structures for movement except
Amoeba
Spirogyra
Volvox
Paramecium
Correct answer is B
No explanation has been provided for this answer.
The diagram above is illustration of a crocodile. Use it to answer this question.
Two characteristic features of the class to which the crocodile belongs are labelled
I and II
III and IV
II and IV
II and V
Correct answer is B
No explanation has been provided for this answer.
The diagram above is illustration of a crocodile. Use it to answer this question.
I and II
III and IV
II and IV
II and V
Correct answer is B
No explanation has been provided for this answer.