Control and Co-ordination in Plants and Animals
Control and Coordination in Plants and Animals
Questions
Question 1 Multiple Choice (Single Answer)
The study of the nervous system and its disorder is called
- urology
- haematology
- neurology
- herpentology
Question 2 Multiple Choice (Single Answer)
Which of the following processes is found in animals only?
- Nervous control
- Hormonal control
- Respiration
- Diffusion
Question 3 Multiple Choice (Single Answer)
Which of the following causes synaptic fatigue?
- Repeated release of acetylcholine
- Repeated release of adrenaline
- Exhaustion of acetylcholinesterase
- Exhaustion of neurotransmitter
Question 4 Multiple Choice (Single Answer)
The region of the brain that coordinates various involuntary actions of the body is
- cerebrum
- medulla oblongata
- cerebellum
- optic lobes
Question 5 Multiple Choice (Single Answer)
Which of the following is not a reflex action?
- Sneezing
- Yawning
- Chewing
- Crying
Question 6 Multiple Choice (Single Answer)
During depolarisation, permeability of neuron increases towards
- H+
- Na+
- Ag+
- Mg++
Question 7 Multiple Choice (Single Answer)
Which of the following is a growth retardant?
- Morphactin
- Zeatin
- Adenine
- Ascorbic acid
Question 8 Multiple Choice (Single Answer)
From which of the following was kinetin isolated?
- Coconut milk
- Pineapple
- Soybean milk
- Ground nut
Question 9 Multiple Choice (Single Answer)
Prohormones are
- active forms of hormones
- inactive forms of hormones
- both (1) and (2)
- none of the above
Question 10 Multiple Choice (Single Answer)
A substance called ADH is
- a hormone that promotes glycogenesis in liver cells
- an enzyme secreted by cells of intestinal wall and hydrolyses dipeptides into amino acids
- a pituitary secretion which promotes reabsorption of water from glomerular filtrate
- a high energy compound involved in muscle contraction