Author: Sheeraz Ahmed – Page 1348

✅ C. They contain O2 storing molecules called hemoglobin.

Option A: They are multinucleate Option B: They are 10 100 ?m in diameter & surrounded by sarcolemma Option C: They contain O2 storing molecules called hemoglobin. Option D: Their cytoplasm contains high concentration of carbohydrates Correct Answer : They contain O2 storing molecules called hemoglobin. Read more

✅ B. Growth stimulator

Option A: Growth inhibitor Option B: Growth stimulator Option C: Growth hormone Option D: None of these Correct Answer : Growth stimulator Read more

✅ C. Z- Line

Option A: H- zone Option B: M- Line Option C: Z- Line Option D: A band Correct Answer : Z- Line Read more

✅ A. Earthworm

Option A: Earthworm Option B: Round worm Option C: Tape worm Option D: Pin worm Correct Answer : Earthworm Read more

✅ C. 16nm

Option A: 7 nm. Option B: 8 nm Option C: 16nm Option D: 10-100 ?m. Correct Answer : 16nm Read more

✅ D. Thinning of body

Option A: Lengthening of the body. Option B: Shortening of the body. Option C: Widening of body Option D: Thinning of body Correct Answer : Thinning of body Read more

✅ D. All of these

Option A: To bind with actin Option B: To bind with tropomyosin. Option C: To bind with Ca2+ ions. Option D: All of these Correct Answer : All of these Read more

✅ D. They move by tube feet

Option A: They are surrounded by single or double pieces of hard skeleton. Option B: Their shell grows as the animal grows. Option C: They have hydrostatic skeleton. Option D: They move by tube feet Correct Answer : They move by tube feet Read more

✅ C. 6

Option A: 9 Option B: 5 Option C: 6 Option D: 7 Correct Answer : 6 Read more

✅ B. Procuticle

Option A: Epicuticle Option B: Procuticle Option C: Ectocuticle Option D: None of these Correct Answer : Procuticle Read more