Biology Past Questions And Answers
3411
Which is an example of a biological catalyst that is not a protein?
- A. Spliceosomes
- B. Lyases
- C. Transferases
- D. Ribozymes
3412
The part of the brain that regulates most biological cycles in humans is
- A. olfactory lobe
- B. optic lobe
- C. medulla oblongata
- D. pineal body
3413
The major limiting factor of productivity in the aquatic habitat is
- A. Food
- B. Temperature
- C. Water
- D. Sunlight
3414
Which of the following articulates with the pelvic girdle?
- A. V
- B. IV
- C. III
- D. II
3415
The role of ATP include all the following activities excerpt
- A. provision of energy to do work in living organisms
- B. transmission of nerve impulse
- C. keeping the body warm in homoithermic animals
- D. producing water during aerobic respiration
3416
The dental formula 13/3 c1/1 pm4/4 m2/3 is that of a
- A. goat
- B. rabbit
- C. man
- D. dog
3417
How many chromosomes will be in a gamete if the normal cell has four chromosomes?
- A. 2
- B. 4
- C. 6
- D. 8
3418
The excretory structure in the earthworm is the
- A. malphighian tubule
- B. flame cell
- C. nephridium
- D. kidney
3419
Which type of bond makes up the backbone of DNA strands by linking together adjacent nucleotides?
- A. Glycosidic bond
- B. Hydrogen bond
- C. Peptide bond
- D. Phosphodiester bond
3420
During mammalian embryo development, large amounts of oestrogen and progesterone are produced in the
- A. umbilical cord
- B. amnion
- C. placenta
- D. amniotic fluid