BIOLOGY DRILLS 2

Our Biology drill this week focuses on organization of life. Please read our instructions before participating.  You are very much advised to go through your revealed pack before attempting this questions.

1.        Which of the following organisms is single celled and free living? (a) Volvox (b) Spirogyra (c) Rhizopus (d) Chlamydomonas

2.                 Which of the following statements is true of unicellular organisms? They possess: (a) Large area to volume ratio (b) All cell organelles (c) Large volume ratio to surface area (d) Freely permeable membranes

3.                 Which of the following arrangements gives the correct order to all organization? I. System II. Tissue. III. Cells IV. Organs (a) I, IV, II and III (b) I, II, IV and III (c) III, IV, II and I (d) III, II, IV and I

4.      Which of the following levels of organization in living things is in the correct sequence, starting from the complex to the simplest? (a) Tissue – Cell – Organ – System (b) System – Organ – Tissue – Cell (c) Cell – Tissue – System – Organ (d) Cell – Tissue – Organ – System

5.                 At what level of organization is Amoeba? (a) Tissue (b) Organ (c) Cell (d) Stem

6.            The epidermis of the mammalian skin is an example of tissue because the cells: (a) Prevent light from passing through them (b) Have a similar structure and function (c) Prevents excessive loss of water (d) Are impregnated with keratin

7.            Which of the following statements is correct about organs? (a) They are composed of specialized cells (b) They perform a certain overall function (c) They are not found in plants (d) Unicellular animals have few organs

8.             Which of these organs can be considered vestigial in humans but functional in other mammals? (a) Liver (b) Appendix (c) Rectum (d) Stomach

9.             Which of these organisms has a body structure at the tissue level of organization? (a) Amoeba (b) Paramecium (c) Hydra (d) Euglena

10.     What structure is formed from the aggregate of similar cells? (a) Organism (b) System (c) Organ (d) Tissue