What's in This Quiz
This document contains 25 quiz questions for the basic plant identification assessment. Questions cover the most important toxic plants affecting Texas livestock, with a mix of image-based identification, feature recognition, and practical application questions.
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Question Bank
Question 1 - Locoweed Identification
- B. White clover
- C. Alfalfa
- D. Milk vetch
Question 2 - Oak Toxicity Timing
- B. Early spring when buds and young leaves emerge ✓
- C. Mid-summer during full leaf stage
- D. Late fall when leaves are dropping
Question 3 - Oleander Recognition
- B. Azalea
- C. Oleander ✓
- D. Hibiscus
Question 4 - Jimsonweed Features
- B. Spiny seed capsule (thorn apple) ✓
- C. Square stems
- D. Milky sap
Question 5 - Nightshade Berries
- B. Poke berry
- C. Nightshade (Solanum species) ✓
- D. Hackberry
Question 6 - Perilla Mint Danger
- B. It causes acute respiratory distress that is often fatal ✓
- C. It only affects horses, not cattle
- D. It is only toxic when frozen
Question 7 - Cocklebur Seedling
- B. Sunflower
- C. Cocklebur ✓
- D. Lamb's quarters
Question 8 - Pigweed Identification
- B. Hollow stems
- C. Reddish stems and roots ✓
- D. Thorny leaves
Question 9 - Sorghum/Prussic Acid
- B. No, wait at least 7-10 days after frost ✓
- C. Yes, but only in the morning
- D. No, never graze sudan grass
Question 10 - Water Hemlock
- B. Poison hemlock
- C. Water hemlock ✓
- D. Queen Anne's lace
Question 11 - Bitterweed Region
- B. Texas Gulf Coast
- C. Central and West Texas ✓
- D. Panhandle only
Question 12 - Lantana Toxicity
- B. Lantana ✓
- C. Zinnia
- D. Marigold
Question 13 - Plant Part Toxicity
- B. Roots are always most toxic
- C. Toxicity varies by plant - seeds, leaves, or roots may be most dangerous ✓
- D. All parts are equally toxic in all plants
Question 14 - Stem Characteristic
- B. Square stem ✓
- C. Triangular stem
- D. Hollow stem
Question 15 - Chinaberry Recognition
- B. Chinaberry ✓
- C. Elderberry
- D. Wild plum
Question 16 - Yellow Jessamine
- B. Yellow jessamine (Carolina jessamine) ✓
- C. Trumpet vine
- D. Cross vine
Question 17 - Acute vs Chronic
- B. Oleander
- C. Locoweed ✓
- D. Cocklebur
Question 18 - Seasonal Alert
- B. Oak buds
- C. Perilla mint ✓
- D. Cocklebur seedlings
Question 19 - Look-Alike
- B. Seed pod shape (inflated vs. flat) ✓
- C. Leaf number
- D. Growth location
Question 20 - Emergency Response
- B. Give a vinegar drench
- C. Remove cow from the pasture and call the vet immediately - this is likely cyanide poisoning ✓
- D. Wait and observe for 24 hours
Question 21 - Habitat Recognition
- B. Near streams, ponds, or wet areas ✓
- C. In cultivated fields
- D. In barn lots and corrals
Question 22 - Symptom Recognition
- B. Copper toxicity
- C. Polioencephalomalacia (PEM/brain swelling from sulfur) ✓
- D. Hardware disease
Question 23 - Prevention Strategy
- B. Administering cow magnets ✓
- C. Routine deworming
- D. Vaccination
Question 24 - Regional Identification
- B. Gulf Coast
- C. West Texas and Trans-Pecos ✓
- D. Rio Grande Valley
Question 25 - Comprehensive
- B. The shin oak grove when budding begins ✓
- C. The old homesite (chinaberry)
- D. The shaded woods edge (perilla mint)
Answer Key
| Q# | Answer | Difficulty |
|---|---|---|
| 1 | A | Easy |
| 2 | B | Medium |
| 3 | C | Easy |
| 4 | B | Medium |
| 5 | C | Medium |
| 6 | B | Medium |
| 7 | C | Hard |
| 8 | C | Easy |
| 9 | B | Medium |
| 10 | C | Hard |
| 11 | C | Medium |
| 12 | B | Easy |
| 13 | C | Medium |
| 14 | B | Medium |
| 15 | B | Medium |
| 16 | B | Hard |
| 17 | C | Hard |
| 18 | C | Medium |
| 19 | B | Hard |
| 20 | C | Medium |
| 21 | B | Easy |
| 22 | C | Medium |
| 23 | B | Easy |
| 24 | C | Medium |
| 25 | B | Hard |
- Medium: 13 questions (52%)
- Hard: 6 questions (24%)
