# Class 10 Science CONTROL AND COORDINATION Short Questions (One Marks and two Marks)

In this page we have Class 10 Science CONTROL AND COORDINATION Short Questions (One Marks and two Marks) . Hope you like them and do not forget to like , social shar and comment at the end of the page.

## One Mark Questions

1) Give an example of a plant hormone that promotes growth.
2) What are plant hormones?
3) Name the largest cell present in the human body?
4) Name two tissues that provide control and coordination in multicellular animals.
5) Mention the part of the brain which controls the involuntary actions like blood pressure, salivation etc.
6) While watering a rose plant, a thorn pricked Rita’s hand. How would she respond to this situation?
7) Name the part of a plant that exhibits positive phothtropism.
8) Define ‘chemotropism’.
9)  How is the spinal cord protected in the human body?

## Two Marks Questions

1) Name the hormones responsible for regulation of:
(i) Metabolism of carbohydrates, fats and proteins.
(ii) Water and electrolyte balance.
2) What is the need for a system of control and coordination in an organism?
3) What happens at the synapse between two neurons?
4) Write the main functions of the following:
(a) Sensory neuron
(b) Cranium
(c) Vertebral column
(d) Motor neuron
5) State the role of the brain in reflex action.
6) Write two differences between the response of the plants and response of the animals to stimuli.
7) Name the plant hormones responsible for the following functions:
(i) Growth of the stem
(ii) Promoting cell division in plants
(iii) Wilting of leaves
(iv) Inhibits growth
8) Name the hormones responsible for the:
(i) Phototropic movement of plant
(ii) Promoting cell division in plants
9) How do plant cells change their shape?
10) How does feedback mechanism regulate the hormone secretion?
11) Name a gland that is associated with kidney.

### 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