3861. Circulatory system is open type in all of the following except:___________?
✅ D. Cephalopoda
Option A: Arthropoda Option B: Gastropoda Option C: Pelecypoda Option D: Cephalopoda Correct Answer : Cephalopoda Read more
Author: Sheeraz Ahmed – Page 194
3862. Shell of egg is leathery in appearance in___________?
✅ B. Reptiles
Option A: Amphibians Option B: Reptiles Option C: Birds Option D: Prototherians Correct Answer : Reptiles Read more
3863. Flagella originate from_______________?
✅ D. Basal body
Option A: Cell membrane Option B: Cell wall Option C: Capsule Option D: Basal body Correct Answer : Basal body Read more
3864. Which of the following structure provides greater pathogenicity to the bacteria__________?
✅ B. Slime
Option A: Capsule Option B: Slime Option C: Cell Wall Option D: Cell membrane Correct Answer : Slime Read more
3865. Rapid growth at exponential ration occurs in which phase of bacterial growth:
✅ B. Log phase
Option A: Lag phase Option B: Log phase Option C: Stationary phase Option D: Death / decline phase Correct Answer : Log phase Read more
3866. Spirochete is an example of___________?
✅ B. Anaerobic bacteria
Option A: Aerobic bacteria Option B: Anaerobic bacteria Option C: Facultative bacteria Option D: Microaerophilic Correct Answer : Anaerobic bacteria Read more
3867. E. coli and example of____________?
✅ C. Facultative bacteria
Option A: Aerobic bacteria Option B: Anaerobic bacteria Option C: Facultative bacteria Option D: Microaerophilic Correct Answer : Facultative bacteria Read more
3868. Nitrifying bacteria are the examples of___________?
✅ B. Chemosynthetic bacteria
Option A: Hetrotrophic bacteria Option B: Chemosynthetic bacteria Option C: Saprophytic bacteria Option D: Parasitic bacteria Correct Answer : Chemosynthetic bacteria Read more
3869. Those bacteria which are fully dependent upon their host for nutrition are called__________?
✅ D. Parasitic bacteria
Option A: Heterotrophic bacteria Option B: Chemosynthetic bacteria Option C: Saprophytic bacteria Option D: Parasitic bacteria Correct Answer : Parasitic bacteria Read more
3870. Purple non-sulphur bacteria is an example of___________?
✅ C. Photosynthetic bacteria
Option A: Heterotrophic bacteria Option B: Chemosynthetic bacteria Option C: Photosynthetic bacteria Option D: Saprotrophic bacteria Correct Answer : Photosynthetic bacteria Read more