Biology Past Questions And Answers
1341
The diagram below is an illustration of the human sperm. The part labelled I is the

- A. acrosome
- B. nucleus
- C. mitochondrion
- D. tail
1342
In medicine, bacteria have proved very useful due to the production of
- A. nitrate
- B. antibiotics
- C. cured tobacco
- D. tanned leather
1343
Kreb’s cycle occurs in the
- A. mitochondria
- B. cytoplasm
- C. nucleus
- D. ribosomes
1344
Which of the following is not an organ?
- A. Hair
- B. Tongue
- C. Rhizome
- D. Corn
1345
An example of cryptic coloration is the:
- A) Mottled colours on moths that rest on lichens
- B) Bright colour of an insect pollinated flower
- C) Green colour of a plant
- D) Bright marks on a poisonous tropical frog on variegated leaves
1346
One disease NOT caused directly by bacteria is
- A) malaria
- B) tuberculosis
- C) pneumonia
- D) tetanus
1347
In which of the plant tissues are guard cells located?
- A. Epidemis
- B. MesophyII
- C. Vascular bundles
- D. Meristems
1348
Which of the following is the medium of transportation of nutrients within unicellular organism?
- A) Lymph
- B) Plasma
- C) Protoplasm
- D) Serum
1349
Which of these organelles is common to both plant and animal cells?
- A. Chloroplast
- B. Centriole
- C. Mitochondrion
- D. Pyrenoid
1350
Which of the following is an example of a behavioral adaptation for survival in animals?
- A. Sharp teeth
- B. Migration
- C. Wings
- D. Camouflage

