Biology MCQS with Answers
When rod shaped bacteria occur in pairs them arrangement of cells is known as
Diplococcus
Staphylococcus
Diplobacilli
None
Plasmids are extra circular DNA molecules having genes for
None
Fertility
Antibiotic resistance
Both A and B
Non-protein part of amino acids is known as
Holoenzyme
Activator
Co-factor
Co-enzyme
Viruses are recognized as a particles of nucleic often with a
Protein coat
Carbohydrate coat
Lipid coat
None
All the animal which feed on detritus is called
Detritivores
Omnivores
Carnivores
Herbivores
Life on earth is affected by
Both A and B
Weather
Temperature
Climate
Short day plants are really
Short-night plants
All of above
Day neutral plants
Long-night plants
Respiratory protein found in all aerobic species is
Cytochrome a
Cytochrome C
All of above
Cytochrome b
During the photosynthetic reactions what are the products
Carbon-dioxide & light
All of above
Glucose and oxygen
Water and light
Which of the following statement about Porifera is not true
Water leaves the body through osculum
Water enters the body through ostia
There are respiratory and circulatory organs
Pores are present in the body wall