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In animals, control and coordination are provided by .............and muscular tissues
1. nervous
2. spinal
3. muscular
4. none of these
All information from our environment is detected by the specialised tips of some................ cells.
1. muscular
2. nerve
3. cheeck
4. none of these
gustatory receptors will detect ,...............
1. smell
2. noise
3. taste
4. none of these
olfactory receptors will detect...........
1. smell
2. taste
3. vision
4. none of these
a chemical reaction that creates an electrical impulse. This impulse travels from the ..............to the cell body
1. nerve ending
2. axon
3. dendrite
4. none of these
nervous tissue is made up of an organised network of nerve cells or ..............
1. neurons
2. neutron
3. nucleus
4. none of these
reflex arcs have evolved in ................
1. humans
2. animals
3. plants
4. kids
the brain and spinal cord constitute the ................................
1. Respiratory system
2. central nervous system
3. both (a) and (b)
4. none of these
The fore-brain is the main .....................part of the brain
1. performing
2. memorizing
3. thinking
4. none of these
involuntary actions including blood pressure, salivation and vomiting are controlled by the ............in the hind-brain
1. pons
2. cerebellum
3. cranium
4. medulla
Think about activities like walking in a straight line, riding a bicycle,picking up a pencil , are possible due to a part of the hind-brain called the ...............
1. cerebellum.
2. medulla
3. pons
4. cranium
when the action or movement is to be performed, ................tissue will do the final job
1. nerve
2. muscle
3. vertebrate
4. none of these
the gap between two neurons is called a
1. dendrite
2. synapse
3. axon
4. impulse
the brain is responsible for
1. thinking
2. regulating the heart beat
3. balancing the body
4. all of the above
which of the following is a plant hormone
1. insulin
2. thyroxin
3. oestrogen
4. cytokinin
the highest cordinating system in th ebody is
1. spinal cord
2. heart
3. brain
4. kidney
reflex action are mediated through
1. brain
2. effectors
3. spinal cord
4. receptors
the leaves of mimosa are sensitive to
1. touch
2. light
3. smell
4. heart
the longest fibre on the cell body of a neuron is called
1. sheath
2. cytoplasm
3. axon
4. dendrites
the movement of sunflower in accordance with the path of sun is due to
1. chemotropism
2. geotropism
3. phototropism
4. hydrotropism
the main function of abscisic acid in plants is
1. to promote cell division
2. to inhibit growth
3. to promote growth of stem
4. to increase the length of cell
which of the following is not associated with growth of plants
1. auxin
2. gibberellins
3. cytokinins
4. abscisic acid
any change in the enviornment to which an organism respond is called
1. stimulus
2. coordination
3. response
4. hormone
a part of the body which responds to the in structions sent from nervoussystem is called
1. receptor
2. effector
3. nerves
4. muscles
roots of plants are
1. positively geotropic
2. negatively geotropic
3. positively phototropic
4. none of these
....................... protects spinal cord
1. cranium
2. vertebral column
3. skull
4. ribs
.................... pairs of spinal nreves arise from spinal cord
1. 21
2. 31
3. 32
4. 42
a doctor advised a person to take injections of insulin because his
1. blood pressure was high
2. heart beat was high
3. blood sugar was high
4. thyroxine level in blood was high
which of the following control and regulate the life process?
1. reproductive and endocrine systems
2. respiratory and nervous system
3. endocrine and digestive system
4. nervous and endocrine system
iodine is necessary for the synthesis of which of the following hormone
1. adrenaline
2. auxin
3. thyroxine
4. insulin

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