- The scientist who introduced binomial nomenclature in the classification of organisms was
- A. Charles Darwin
- B. Carolus Linnaeus
- C. John Ray
- D. Louis Pasteur
2. Which of the following statements is true about arthropods?
- A. Prothorax bears only legs
- B. Mesothorax bears only legs
- C. Metathorax bears only wings
- D. Prothorax bears only wings
3. What level of organisation is Spirogyra?
- A. System
- B. Organ
- C. Cell
- D. Tissue
4. The streaming movement of cytoplasm within the Paramecium is known as
- A. Transpiration
- B. Digestion
- C. Cyclosis
- D. Osmosis
5. Which of the following organelles is found only in plant cells?
- A. Mitochondria
- B. Ribosomes
- C. Lysosomes
- D. Plastids
6. Active transport differs from diffusion in that active transport
- A. is a very fast process
- B. allows the movement of substances against concentration gradient
- C. takes place in both light and dark reaction of photosynthesis
- D. occurs in both plant and animal tissues
7.
The diagrams above are illustrations of an experimental set-up to demonstrate a type of tropic response in plants. The type of response demonstrated is
- A. phototropism
- B. geotropism
- C. hydrotropism
- D. thigmotropism
8.
The conclusion drawn from the experiment in the diagram above is that
- A. shoots of plants are negatively thigmotropic
- B. shoots of plants are negatively geotropic
- C. shoots of plants are positively phototropic
- D. roots of plants are positively hydrotropic
9. The odontoid process is found on the
- A. axis vetebra
- B. atlas vetebra
- C. thoracic vetebra
- D. sacral vetebra
10. A seedling was made to stand in a solution of red ink for three hours and a transverse section of the stem was examined under the microscope. The process being investigated was
- A. the importance of micro elements to plants
- B. ascent of water through the xylem
- C. diffusion of colored substances
- D. distribution of food in plants
