# Class 10 Science CONTROL AND COORDINATION Practice Questions for Biology

In this page we have Class 10 Science CONTROL AND COORDINATION Practice Questions for Biology . Hope you like them and do not forget to like , social shar and comment at the end of the page.

## Multiple choice questions

Question 1. Olfactory reception is related to sense of
A. Smelling
B. Tasting
C. Hearing
D. Visions
Question 2. Axon are
A. Impulse
B. Cytoplasmic extension
C. Part of muscles
D. All are correct
Question 3. Receptor for stimulus are present in
A. Stomach
B. Response
C. Sense organ
D. Hot objects
Question 4. CNS consists of
A. Brain
B. Spinal Cord
C. Both (i) and (ii)
D. None of these
Question 5. The structural and functional unit of nervous system is
A. Nephorn
B. Neuron
C. Cyton
D. Axon
Question 6. One of the following is not a reflex action
A. Knee Jerk
B. Boxing
C. Coughing
D. Eye lid closing
Question 7. Which among them is a reflex are
A. Sensory neuron – Motor neuron – Relay neuron
B. Motor neuron – relay – Motor neuron
C. Sensory – relay – motor neuron
D. Relay – Motor –Sensory
Question 8. While touching a hot plate, a reflex action is seen what is the effect in it
A. Skin
B. Spinal cord
C. Muscles
D. Brain
Question 9. Body coordination is exhibited by
A. Nervous system
B. Endocrine system
C. Neuro-endocrine system
D. Blood vascular system
Question 10. Which of the following is not strictly considered as a part of the neuron?
A. Axon
B. Dendrites
C. Nissl bodies
D. Myelin sheath

## Subjective Questions

Question 1. Where can we find Nissles granules?
Question 2. What is Synapse. Name chemical that helps in transmission across synapse
Question 3. We suddenly withdraw our hand when a pin pricks. Name the type of response involved in this action.
Question 4. How do muscles respond to the nerve impulse?
Question 5 Name the two mechanisms which control and coordinate the activities of the different parts of the body.
Question 6 . Write the full form of : (a) PNS (b) CNS
Question 7. Define ‘nerve impluse’. Which structure in a neuron helps to conduct a nerve impulse.
(i) towards the cell body
(ii) away from the cell body?

### Practice Question

Question 1 Which among the following is not a base?
A) NaOH
B) $NH_4OH$
C) $C_2H_5OH$
D) KOH
Question 2 What is the minimum resistance which can be made using five resistors each of 1/2 Ohm?
A) 1/10 Ohm
B) 1/25 ohm
C) 10 ohm
D) 2 ohm
Question 3 Which of the following statement is incorrect? ?
A) For every hormone there is a gene
B) For production of every enzyme there is a gene
C) For every molecule of fat there is a gene
D) For every protein there is a gene