43
Which of the following insects has an incomplete metamorphosis during its life circle?
- A. Butterfly
- B. Bee
- C. Mosquito
- D. House-fly
- E. Grasshopper
44
The kind of teeth used for tearing food materials is the
- A. fang
- B. canine
- C. premolar
- D. carnassial
- E. incisor
45
Which of the following is the dental formula of man?
- A. i(2/2) c(0/1) pm(2/2) m(3/3)
- B. i(2/2) c(1/1) pm(2/0) m(3/3)
- C. i(2/2) c(1/1) pm(2/2) m(3/3)
- D. i(2/2) c(1/1) pm(3/3) m(2/2)
- E. i(2/2) c(1/1) pm(2/3) m(3/3)
46
Where is the food stored in yam plant?
- A. stem
- B. Bud
- C. Adventitous root
- D. Leaves
- E. Tap root
47
What is the genetic ratio of a cross between homozygous tall plant and a homozygous dwarf plant?
- A. 0 tall : 4 short
- B. 3 tall : 1 short
- C. 2 short : 2 tall
- D. 1 tall : 1 short
- E. 4 tall : o short
48
Which of the following animals is cold blooded
- A. Cat
- B. Lizard
- C. Whale
- D. Bird
- E. Horse
49
Which of the following is NOT true of wind-pollinated flowers?
- A. A large amount of pollen produced
- B. Light smooth pollen grains
- C. Small inconspicuous flowers
- D. Scented petals
- E. Large pendulous anther