June Exam - Practice Questions

1. Vascular tissue that transports water in leaves connects directly to

• meristems in the root tip
• pistils in the flower
• root hairs in the epidermis
• xylem in the stem

2. Which three processes are indicated by the arrows in the diagram below?

• ingestion, diffusion, excretion
• ingestion, digestion, egestion
• cyclosis, meiosis, mitosis
• diffusion, active transport, cyclosis

3. A biologist analyzed the liquid in the nephridia of earthworms and the liquid in the nephrons of humans. The liquid found in both organisms was most likely composed of water containing

• sugar and uric acid
• sugar and ammonia
• salts and urea
• salts and amino acids

4. Which letter in the diagram below indicates the structure that is most closely associated with cretion?

• A
  B
  C
  D

5. Which process is correctly paired with the waste it produces?

• respiration: methane
• protein metabolism: ammonia
• dehydration synthesis: carbon dioxide
• hydrolysis: urea

6. In grasshoppers and humans, locomotion is accomplished by means of

• the interaction of muscles and jointed appendages
• jointed chitinous appendages
• a carilaginous endoskeleton
• the interaction of muscles and an exoskeleton

7. During aerobic respiration, the chemical energy of glucose is gradually released, producing 36 ATP and

• NH3 and O2
• NH3 and CO2
• H2O and O2
• H2O and CO2

8. In trees, shrubs and other woody plants, the exchange of CO2 and O2 with the environment may occur through structures known as

• spiracles
• anthers
• lenticels
• rhizoids

9. Small hairs on the legs of certain insects have the ability to detect chemicals. These hairs function as

• receptors
• effectors
• stimuli
• responses

10. Which organism has a primitive brain, a ventral nerve cord and antennae?

• bryophyte
• grasshopper
• chordate
• jellyfish

Answer
1. xylem in the stem
2. ingestion, diffusion, excretion
3. salts and urea
4. D
5. protein metabolism: ammonia
6. the interaction of muscles and jointed appendages
7. H2O and CO2
8. lenticels
9. receptors
10. grasshopper