In most triploblasts after embryonic development the three layers are represented as___________??
A. Separate layers of cells
B. Structures formed from them
C. Structures associated with them
D. Their functions in body
Category: Biology Mcqs
The mechanism of regulation, generally between organism and its environment, of solutes and the gain and the loss of water is called________??
A. Homeostasis
B. Hemostasis
C. Osmoregualtion
D. Thermoregulation
Chlorophyll molecule contrains __________ as central metal ion.?
A. Fe2
B. Mg2
C. Zn2
D. Cu2
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
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
