Which is not a vertebrate ?
Which is not a vertebrate ?A. Reptiles
B. Fish
C. Insect
D. None of these
B. Fish
C. Insect
D. None of these
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Deficiency of K+ causes_____________?
Deficiency of K+ causes_____________?
A. Stunted growth & strong chlorosis
B. No electron transport chains
C. Premature death of leaves
D. Stunted growth of rootsEach ach nephridium of earthworm opens to the exterior by__________?
Each ach nephridium of earthworm opens to the exterior by__________?
A. Nephrostome
B. Nephridiopore
C. Flame cell
D. AnusA normal metaphase chromosome with a midial centromere is ________?
A normal metaphase chromosome with a midial centromere is ________?A. Metacentric
B. Sub-metacentric
C. Acrocentric
D. TelocentricNormal resting membrane potential of a neuron is_____________?
Normal resting membrane potential of a neuron is_____________?
A. – 50 mv
B. – 60 mv
C. – 70 mv
D. – 80 mvWhich of the following nephrons play important role in production of concentrated urine?
Which of the following nephrons play important role in production of concentrated urine?
A. Crotical
B. Medullary
C. Juxtramedullary
D. None of theseA group of very similar inter breeding organisms constitutes?
A group of very similar inter breeding organisms constitutes?
A. Biosphere
B. Ecosystem
C. Population
D. Species