Q1. Which type of reproduction is observed in yeast?A. Binary fissionB. FragmentationC. BuddingD. Spore formation
Q2. Which of the following statements is true about Mycoplasma?A. They have a rigid cell wallB. They are the smallest living cellsC. They require oxygen for survivalD. They are autotrophic
Q3. Which of the following statements about lichens is incorrect?A. Lichens are a symbiotic association of fungi and algae.B. Lichens are highly sensitive to air pollution.C. Lichens grow rapidly in heavily polluted areas.D. Lichens play a role in soil formation.
Q4. Which fungal division is also called ‘sac fungi’?A. PhycomycetesB. AscomycetesC. BasidiomycetesD. Deuteromycetes
Q5. Which of the following statements about viruses is incorrect?A. Viruses are considered living outside a host cell.B. Viruses contain either DNA or RNA as genetic material.C. Viruses require a host cell for replication.D. Viruses lack cellular organelles like ribosomes.
Q6. Which of the following best explains why viruses are not considered living organisms?A. They contain either DNA or RNAB. They cannot reproduce outside a hostC. They have a protein coatD. They can mutate
Q7. Which of the following statements about prions is correct?A. Prions are infectious proteins.B. Prions contain DNA as genetic material.C. Prions have a cellular structure.D. Prions infect only plants.
Q8. Which of the following is a characteristic of dinoflagellates?A. They have silica-embedded cell wallsB. They cause red tides in marine environmentsC. They are primarily saprophyticD. They lack flagella
Q9. Which of the following is an example of a nitrogen-fixing cyanobacterium?A. ChlamydomonasB. NostocC. RhizopusD. Euglena
Q10. Which of the following statements about cyanobacteria is incorrect?A. Cyanobacteria are capable of oxygenic photosynthesis.B. Cyanobacteria lack a nuclear membrane.C. Cyanobacteria are classified under Kingdom Protista.D. Cyanobacteria can fix atmospheric nitrogen.