Options:
- A. Maintenance of resting potential
- B. Massive out flux of K+ after depolarization
- C. Recovery of resting potential
- D. Conversion of resting potential into action potential
View Answer
C. Recovery of resting potential
Biology
Under resting membrane potentials:
Options:
- A. Outer surface of neuron is more positive
- B. Inner surface of neuron is more positive
- C. Both of these surfaces are equally positive
- D. none of these.
View Answer
A. Outer surface of neuron is more positive
Flagella originate from_______________?
Options:
- A. Cell membrane
- B. Cell wall
- C. Capsule
- D. Basal body
View Answer
D. Basal body
Shell of egg is leathery in appearance in___________?
Options:
- A. Amphibians
- B. Reptiles
- C. Birds
- D. Prototherians
View Answer
B. Reptiles
In most triploblasts after embryonic development the three layers are represented as___________?
Options:
- A. Separate layers of cells
- B. Structures formed from them
- C. Structures associated with them
- D. Their functions in body
View Answer
B. Structures formed from them
Main blood vessel of arthropods usually:
Options:
- A. Lies on dorsal side
- B. Lies on ventral side
- C. Lies on lateral side
- D. Is not present
View Answer
A. Lies on dorsal side
True metamorphosis is not present in________?
Options:
- A. Crustacea
- B. Insecta
- C. Arachnida
- D. Myriapoda
View Answer
C. Arachnida
four daughter cells are given to rise during the process of____________?
Options:
- A. meiosis
- B. mitosis
- C. cell division
- D. none of these
View Answer
A. meiosis
In bryophytes fertilization takes place in___________?
Options:
- A. Antheridia
- B. Archegonia
- C. water
- D. Ovule
View Answer
B. Archegonia
Specialized protective coverings around megasporangium which vary in number are called_________________?
Options:
- A. Sporangium
- B. Integuments
- C. Ovule
- D. Pericarp
View Answer
B. Integuments