control and co ordination test ~ SCC Education

Monday, 14 September 2015

control and co ordination test

Author: scceducation | September 14, 2015 | No Comments |

Life process test ,class10 biology ,digestion,respiration,transportation,circulation,plant hormones,action,movements of plant,neurons,

FORMATIVE ASSESSMENT-I

MARKS-30
Instructions:
 Questions : 1 to 5 – 1 Mark each
 Questions : 6 to 9 – 2 Marks each
 Questions : 10 to 13 – 3 Marks each
 Question 14 – 5 Marks
1. What is a synapse?
2. Name one growth promoting & one growth inhibiting plant hormone.
3. Which part of the brain is responsible for: (i) thinking (ii) Voluntary action?
4. What could be the disadvantage if reflex action were to be controlled by the brain?
5. Name any 2 stimuli that act on plants.
6. Give 2 differences between tropic and nastic movements in plants.
7. Explain 2 ways by which the brain and the spinal cord protected?
8. Write 2 differences between sensory and motor nerves.
9. Draw a neat & well labeled diagram of nerve cell.
10. Name the disorder that may occur if the following hormones are not secreted properly?
(a) Insulin (b) Thyroxine (c) Growth hormone
11. What is reflex arc? Draw schematic pathway of a typical reflex action.
12. Give one point of difference between the following:
(a) Spinal nerve & cranial nerve
(b) Central nervous system & Peripheral nervous system.
(c) Dendrite & Axon
13. What is hydrotropism? Explain an activity to show hydrotropism.
14. Draw a diagram of human brain and label on it the following parts:
(i) Cerebrum (ii) Pons (iii) Medulla oblongata (iv) Cerebellum
OR
(i) How do neurons transmit information?
(ii) Explain the action of adrenaline hormone that is released in the blood.