MDCAT Biology Coordination In Animals Mcqs Test Online

One of the following makes possible the integration of functions essential to organismic behavior

A stimulus to which an organism responds may be internal or external and may be

Twenty-four hours behavior changes of living thing are know as

Animal show a variety of responses greater speed due to

Plants grown without light become much elongated but fail to form chlorophyll, such a condition is called

Post-harvest maturation of fruits can be facilitated by keeping them in an atmosphere rich in

If plants are wounded, they develop am ass of amorphous material with very poor differentiation known as

Receptor(s) that respond to mechanical conditions of the internal organs

In living things behavioral activity occur at regular intervals which is called

Biorhythms of less than or about 365 days are called

The smaller fibers in a neuron that carry towards cell body

Indole acetic acid or their derivatives are called

The pathway of a simple reflex action is

Active Na⁺ and K⁺ pump is located in which part of neuron

Three Na⁺⁺ions when pumped out of neuron, the number of K⁺ions pumped in is

The contact point between consecutive neuron in the forms of microscopic gap is

Electric potential is a measure of capacity to do

Which of the following hormones is secreted by posterior lobe of pituitary gland?

Which ions is 10 folds higher in concentration outside than inside the membranes surface

If the cell body of the neuron remains intact, it can regenerate

The destruction of adrenal cortex occurs in

Resting membrane potential is

The message is transmitted across synapse in the form of chemical messenger called

Many different types of neurotransmitters are

Basically Auxins are

Which of the following statement about Auxins is true

The receptors for smell and taste are known as

Which of the following hormone is used to regulate fruit drop at the end of the season

The effectors of the motor neurons are

The structural and functional unit of nervous system is termed as

The cytoplasmic processes which carry impulses towards the cell body is

The processes conducting impulses away from the cell body are termed as

Which of the following is the direction of stimulus in reflex circuit

The electrical potential that exists across a cell membrane is known as

The net difference in charge between the inner and outer surface of a non-conducting neuron is called the

During active membrane potential the neuron conduct the impulse in the form of

The process in which axon endings of the neuron are connected to the dendrites of the next neuron is

When an impulse reaches a synaptic knob, the synaptic vesicles fuse with the

Neurotransmitters are released from the

Which of the following is a neurotransmitter