Which of these could be regarded as an advantage of complexity in higher organisms?
there is no cellular differentiation
Cellular differentiation leads to loss of independence of the cells
Complexity stops at cellular differentiation only
Cellular differentiation leads to internal structural specialization
Correct answer is D
No explanation has been provided for this answer.
At what level of organisation is the Amoeba?
Tissue
Organ
Cellular
System
Filament
Correct answer is C
No explanation has been provided for this answer.
Which of the following structures does not function as support in animals?
Cuticle in arthropods
Scales in birds
Cartilage in mammals
Body fluids in earthworms
Bones in vertebrates
Correct answer is B
No explanation has been provided for this answer.
In man, adult schistosoma is found in the
blood vessels of the bladder
red blood corpuscles
lymphatic vessel
blood vessels of the lung
white blood cells
Correct answer is A
No explanation has been provided for this answer.
Which of these statements is correct about the human ABO blood grouping system?
B is recessive
A is dominant over B
O is recessive
O has antigen A and B
A and B are both recessive
Correct answer is D
No explanation has been provided for this answer.