Reverse transcriptase is:
RNA dependent RNA polymerase
DNA dependent RNA polymerase
DNA dependent DNA polymerase
RNA dependent DNA polymerase
Which of the following protozoa contains chlorophyll?
Amoeba
Euglena
Paramecium
Trypanosoma
One gene - one enzyme relationship was established for the first time in:
Neurospora crassa
Salmonella typhimurium
Escherichia coli
Diplococcus pneumoniae
Which is the sex factor in bacteria?
F - replicon
Chromosomal replicon
RNA
Sex - pilus
Which fungal disease spreads through seeds and flowers?
Loose smut of wheat
Corn stunt
Covered smut of barley
Soft rot of potato
Which of the following statements is correct about the structure of cell walls of fungi and bacteria?
Both have mucopeptide
Both are made up of carbohydrates
Both are made up of cellulose
Both are made up of n-acetylglucosamine
In Amoeba and Paramecium, osmoregulation occurs through:
Pseudopodia
Nucleus
Contractile vacuole
Cytoplasm
Ergot of rye is caused by a species of:
Phytophthora
Uncinula
Ustilago
Claviceps
Azotobacter and Bacillus polymyxa are examples of:
Symbiotic nitrogen fixers
Non-symbiotic nitrogen fixers
Ammonifying bacteria
Disease-causing bacteria
Which of the following pairs contains diseases both caused by virus?
Tetanus and typhoid
Whooping cough and sleeping sickness
Syphilis and AIDS
Measles and rabies
