In animals coordination is achieved by means of??
A. Nervous system
B. Endocrine system
C. Respiratory system
D. Both A and B
Category: Biology Mcqs
Which of the following does not show quaternary structure____________??
A. Haemoglobin
B. Pepsin
C. Fibrin
D. Insulin
__________ is example of pure form of cellulose??
A. Silk
B. Wool
C. Cotton
D. Paper
Inhibitors which block the enzyme by forming weak bond are called___________??
A. Competitive inhibitors.
B. Non-competitive inhibitors
C. Irreversible inhibitors.
D. Both a and b
Which of the statement about cell membrane is not true??
A. It contains protein molecules embedded in lipid bilayer
B. It is a differentially permeable membrane.
C. It contains charged pores thus ions being charged particles cross cell membrance much easier than neutral particles.
D. It may get infolded to engulf solid or liquid material.
A stone measuring 0.4 cm, blocking the outlet of renal pelvis resulting in mild to moderate tract obstruction. Which of the following technique will be opted to remove this stone??
A. Kidney surgery
B. Burring a hole and removing the stone manually (nephrolithotomy)
C. Extracorporeal Shock wave lithotripsy
D. None of these
Production of genetically identical copies of organisms/cells by asexual reproduction is called__________??
A. Mitosis
B. Replication
C. Cloning
D. Biological control
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
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
