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.
Which of these statement below is not a characteristic of wind pollinated flower?
Stigmas are usually large and feathery
Nectar is usually absent
The pollen grains have rough spiny surfaces
The flowers are not scented
The pollen is light and smooth
Correct answer is C
No explanation has been provided for this answer.
The region of cell division in a root is
Root cap
Endodermis
Xylem
Piliferous layer
Meristem
Correct answer is E
No explanation has been provided for this answer.
Which of these is not an enzyme?
Pepsin
Gastrin
Amylase
Chymotrypsin
Trypsin
Correct answer is B
Gastrin is a hormone that is produced by 'G' cells in the lining of the stomach and upper small intestine, and released into the blood circulation.
Which one of the following option is not true for mucor of Rhizophus? it
Grows on moist dead organic matter
Is a plant
Has cellulose cell-wall
Reproduce asexually by producing a spore
Has no chlorophyll
Correct answer is C
No explanation has been provided for this answer.
The carrier of the hereditary character in plants and animal is the
Cell
Nucleus
Chromosome
Chloroplast
Gene
Correct answer is C
- The Hereditary characters of an organism are determined by genes.
- However, Chromosomes are dark staining structures in a cell's nucleus on which the organism's genes (DNA molecules) are arranged.
- I.e Chromosomes are the carriers of genes.
- And these genes are located on the Loci of the Chromosome.