- 1. 1.
Which of the following performs the same function as the contractile vacuole of a unicellular organism?
A) Liver
B) Kidney
C) Pancreas
D) Bladder
- 2. 2.
The respiratory organ found in the cockroach is the _______
A) Lung book
B) Trachea
C) Lung
D) Air sac
- 3. 3.
In which of the following parts of a cell is the chromosome found?
A) Golgi body
B) Cytoplasm
C) Nucleus
D) Cell wall
- 4. 4.
Which of the following is the medium of transportation of nutrients within unicellular organisms?
A) Blood
B) Lymph
C) Protoplasm
D) Serum
- 5. 5.
Which of the following blood vessels carries oxygenated blood into the heart?
A) Pulmonary artery
B) Pulmonary vein
C) Anterior vena cava
D) Aorta
- 6. 6.
The stomata of a leaf perform the same function as _______
A) Pharynx of man
B) Trachea of toads
C) Liver of man
D) Spiracles of insects
- 7. 7.
Which of the following does not happen during inspiration?
A) Ribs move forward
B) Thoracic cavity increases
C) Intercostal muscles contract
D) Diaphragm relaxes
- 8. 8.
The collective name for the female parts of the flower is _______
A) Gynoecium
B) Androecium
C) Stigma
D) Ovary
- 9. 9.
If the petals of a flowering plant are removed, which of the following processes is likely to be affected?
A) Photosynthesis
B) Transpiration
C) Germination
D) Pollination
- 10. 10.
Which of the following organisms lacks a reproductive organ?
A) Chlamydomonas
B) Man
C) Pride of Barbados
D) Cockroach
- 11. 11.
Placentation of plants is best described as the ______
A) Arrangement of ovules in the ovary
B) Development of ovules in the ovary
C) Arrangement of fruits on the branches
D) Formation of the pericarp from the ovary wall
- 12. 12.
A flowering plant having both the male and female flowers on the same plant is said to be _______
A) Irregular
B) Monoecious
C) Regular
D) Dioecious
- 13. 13.
The process by which fruits develop without fertilization is called ______
A) Pathology
B) Layering
C) Hermophroditism
D) Parthenocarpy
- 14. 14.
The drugs which inhibit the growth of disease-causing organisms and thus used in the treatment of infections are referred to as _______
A) Antitoxins
B) Antibodies
C) Septics
D) Antibiotics
- 15. 15.
Which of the following heart structures is best adapted to cope with double circulation?
A) Two auricles and partially divided ventricle
B) Two auricles and one ventricle
C) Two auricles and two ventricles
D) One auricle and one ventricle
- 16. 16.
Which of the following substances is not a conservable natural resources?
A) Water
B) Air
C) Minerals
D) Soil
- 17. 17.
A species whose populations has become so small that it may become extinct if not protected is a/an ______
A) Important species
B) Dangerous species
C) Endangered species
D) Special species
- 18. 18.
Spermatogenesis and oogenesis are both terms used to describe ______
A) Mating
B) Gametogenesis
C) Mitosis
D) Meiosis
- 19. 19.
Which of the following mammalian features acts as a shock absorber to the developing embryo?
A) Chorion
B) Umbilical cord
C) Amniotic fluid
D) Placenta
- 20. 20.
The maintenance of a constant internal environment of an organism is known as _______
A) Turgidity
B) Homeorhesis
C) Homeostasis
D) Diuresis
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