Control and Coordination Class 10 Worksheet Science Chapter 6

Multiple Choice Questions

Q1: Grey matter is
(a) a fluid
(b) cluster of cytons
(c) a hormone
(d) a network of blood vessel

Q2: Which of the following is a plant hormone?
(a) Insulin
(b) Thyroxin
(c) Oestrogen
(d) Cytokinin

Q3: Secondary sexual characters are influenced by
(a) thyroxine
(b) adrenaline
(c) testosterone
(d) oestrogen

Q4: The brain is responsible for:
(a) thinking.
(b) regulating the heart beat.
(c) balancing the body.
(d) all of the above.  

Q5: Plant growth is/are promoted by
(a) cytokinin
(b) auxin
(c) gibberellin
(d) abscisic acid

Q6: Which part of the brain is concerned with muscular coordination in the body?
(a) Temporal toke
(b) Cerebellum
(c) Pons
(d) Parietal 10 be

Q7: Which centre regulates swallowing, coughing and vomiting?
(a) Pons
(b) cerebrum
(c) spinal cord
(d) medulla oblongata

Q8: Which one of the endocrine glands is known as master gland?
(a) Adrenal
(b) Pituitary gland
(c) Thyroid
(d) Parathyroid
Q9: Which is the longest part of the neuron?

(a) Dendrites
(b) myelin sheath
(c) cell body
(d) Axon

Q10: The hormone responsible for anger is
(a) adrenaline
(b) growth hormone
(c) oestrogen
(d) insulin

Fill in the blanksQ11: The cells of the islets of Langerhans produce ____________.

Q12: The thymus gland is ____________ in children.

Q13: _________ and __________ protect the brain of mammals.

Q14: __________ is plant’s response to contact with hard surface.

Mark the statements true(T) or false (F)

Q15: Sensory nerve connects the dorsal root of the spinal cord.

Q16: Testosterone produces femaleness.

Q17: Parathormone is produced by adrenal gland.

Very Short Question Answers

Q18: What is the function of gustatory receptors?  

Q19: Name the hormone which controls (i.e. reduces) the level of sugar in blood, and the gland which secretes it.
Q20: Name the structure that is responsible for reflex action.

Q21:  Why are roots called positively geotropic?

Q22: Specify the location of the olfactory lobe.

Q23: Name the hormone produced by the ovaries.

Q24: Name the part of the brain which controls involuntary action.

Q25: Name the hormone which contains iodine.

Q26: Name the cells that produce insulin.

Q27: Mention the number of cranial nerves.

Q30: Specify the location of the pituitary gland.

Q31: Name the part of the brain which controls intelligence.

Q32: Name the phytohormone that inhibits growth.

Q33: Differentiate between Spinal reflex and Cranial reflex

Q34: What do you understand by the sleep movement of plant organs? 

Q35: Describe cavities of brain.

Q36: Which part of the brain is more important? Why? 

Long Question Answers

Q37: How are involuntary actions and reflex actions different from each other?

Q38: Explain briefly movements in plants.

Q39: Describe the central nervous system in human beings. 

Q40: What is the need for a system of control and coordination in an organism?

Q41: Which signals will get disrupted in case of a spinal cord injury?

Q42: How does chemical coordination occur in plants?

Q43: What is the function of receptors in our body? Think of situations where receptors do not work properly. What problems are likely to arise?

Q44: How does phototropism occur in plants?

You can access the solutions to this worksheet here.