Removal or degradation of environmental pollutants or toxic materials by living organisms is called__________??
A. Integrated disease management
B. Hydroponic culture technique
C. Pasteurization
D. Bioremediation
Category: Biology Mcqs
Which of the following of bryophytes are the simplest one??
A. Porella
B. Funaria
C. Anthocerus
D. Polytrichum
The science of growing terrestrial plants in an aerated solution is_________??
A. Hydrodynamics
B. Hydroponics
C. Hydroponics
D. None of them
In which of the following joint muscles are arranged in the same plane as that of joint??
A. Between radius and ulna.
B. Between ulna and scapula
C. Between humerus and scapula
D. Between femur and tibia.
Sperms of liverworts, mosses, ferns move towards archegonia, in response to uncleic acid released by the ovum. This is an example of ____________??
A. Chemotropic movement
B. Chemotactic movement
C. Chemosastic movement
D. Haptonastic movement
Spores in sporangia are produced by process??
A. Sexual
B. Asexual
C. Both of these
D. None of these
The size of smallest virus is______________??
A. 10 nm
B. 20 nm
C. 30 nm
D. 40 nm
Microscopic gaps between the neuron endings are called__________??
A. Transmitters
B. Synapses
C. Pores
D. Nodes
Rapid growth at exponential ration occurs in which phase of bacterial growth:?
A. Lag phase
B. Log phase
C. Stationary phase
D. Death / decline phase
Which of the following is most constant abiotic component of ecosystem___________??
A. Air
B. Water
C. Land
D. Gravity
