Question 1
- Define the term species.
- Which taxonomic group has the largest number of members?
Answer
- A group of organism that can freely interbreed; to produce viable/fertile offsprings.
- Kingdom
Question 2
During a field trip, astudent collected a specimen that had the following characteristics,
- - 2 body parts
- - More than 4 pairs of limbs
- - had a carapace
- Identify the class into which the organism belongs.
- Other than the head, name the other body part
Answer
- Crustacea
- Caphalothorax
Question 3
- State two functions of a microscope.
- A cell magnified 800 times using a light microscope whose eye piece was x20. What was the magnification of the objective lens?
Answer
- 1. Magnification
2. Resolution -
Question 4
Give two functions of the endoplasmic reticulum.
Answer
- Synthesis and transport of lipids/steroids
- Secretion/transport of packaged materials
- Transport proteins.
- Secretion/transport of packaged materials
- Transport proteins.
Question 5
- Define the following terms
- Cytology
- Mycology
- State the importance of irritability in living organisms.
Answer
-
- Cytology - Study of the cells
- Mycology - Study of fungi
- Enables organisms to detect and adjust to changing environmental conditions/stimuli.