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Most insects have more comprehensive “escape” reflexes triggered by……….. disturbance.
a) small                                   
b) larger
c) moderate                
d) none of these

b

Orientation behaviors are coordinated movements like………that occur/s in response to an external stimulus.
a) walking                  
b) flying
c) swimming               
d) all of these

d

Explanation: Orientation of locomotor behaviour is usually categorized as either kinesis or taxis



There are……types of orientation behavior.
a) three                                   
b) two
c) four                        
d) none of these

b

Explanation: 1. Kinesis and 2. Taxis



Kinesis is of …….types.
a) three                                   
b) two
c) four                        
d) none of these

b

Explanation: 1. Orthokinesis and
2. klinokinesis



Which of the following is a change in the speed of movement which is directly proportional to the intensity of a stimulus?
a) taxis                        
b) kinesis
c) orthokinesis           
d) klinokinesis

c

Explanation: Examples of orthokinesis are seen in lampreys, which are more active in high intensities of light



Which of the following is a change in the rate of turning which is directly proportional to the intensity of a stimulus?
a) taxis                        
b) kinesis
c) orthokinesis            
d) klinokinesis

d

Explanation: the behaviour of the flatworm which turns more frequently in response to increasing light thus ensuring that it spends more time in dark areas.



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