hormone (D) liquid gas mixture
- Pineapple an be made to flower if off season by
(A) zeatin (B) ethylene (C)temperature (D) short days
SUBJECTIVE QUESTIONS
VERY SHORT ANSWER TYPE QUESTIONS
- What do you mean by receptors and effectors? Name the different
types of receptors.
- Define hormones. What do you mean by phytohomones?
- What do you mean by tropic and nastic movements? Give one
example of each.
- What are the functions of nervous system?
- What do you mean by photoperiodism?
LONG ANSWER TYPE QUESTIONS
- Describe the forebrain of a mammal.
- Write a short note a chemical co-ordination in plants.
- Dedifferentiate between endocrine and exocrine hormones. Write the
characteristics of hormones.
- Mention the effects of sympathetic and parayasympathetic nervous
system on the following :
(i) Heart (ii) Urinary bladder (iii) Eye
(iv)Gastric secretions (v) Bronchi- Name the different type of hormones secreted by pituitary. Also
mention their functions.
- Draw a diagram of human brain and label the following part on it :