Master NEET Zoology with topic-wise questions. Tailored for NEET students, these questions strengthen your Biology preparation.
Which macromolecule is believed to have been the first genetic material?
DNA
Protein
RNA
Carbohydrate
Genetic material in a prokaryotic cell is located in the:
Nucleoid
Nucleus
Mitochondria
Chloroplast
Select the true statement
I. AIDS has no cure, prevention is the best option
II. During HIV infection, the person suffers from fever, weight loss and diarrhoea
III. HIV is a retrovirus, which means its genetic material is DNA
I and II
I and III
II and III
None of these
Which of the following is the correct sequence of events in the origin of life?
I. Formation of protobionts
II. Synthesis of organic monomers
III. Synthesis of organic polymers
IV. Formation of DNA-based genetic systems
II, III, IV, I
II, III, IV
I, III, II, IV
II, III, I, IV
