- Ciliary muscles contract
- Tension in suspensory ligaments reduces/relax/ slackens
- Lens bulges/thickens/increases curvature
- Radial muscles contract
- Circular muscles relax
- Size of pupil becomes large to allow in more light
ericmunguti answered the question on October 9, 2018 at 05:35
- What is a conditioned reflex?(Solved)
What is a conditioned reflex?
Date posted: October 9, 2018. Answers (1)
- Briefly describe the transmission of a nervous impulse across a neuro-muscular
junction.(Solved)
Briefly describe the transmission of a nervous impulse across a neuro-muscular
junction.
Date posted: October 9, 2018. Answers (1)
- Describe the structure and function of sensory neuron(Solved)
Describe the structure and function of sensory neuron.
Date posted: October 9, 2018. Answers (1)
- Draw the structure of a motor neurone(Solved)
Draw the structure of a motor neurone.
Date posted: October 9, 2018. Answers (1)
- What are the functions of the central nervous system?(Solved)
What are the functions of the central nervous system?
Date posted: October 9, 2018. Answers (1)
- Name the main systems for coordination in animals.(Solved)
Name the main systems for coordination in animals.
Date posted: October 9, 2018. Answers (1)
- The diagram below represents growing seedlings which were subjected to unilatera llight at the beginning of an experiment. (i) State the results of P, Q and R...(Solved)
The diagram below represents growing seedlings which were subjected to unilateral light at the beginning of an experiment.
(i) State the results of P, Q and R after 5 days.
(ii) Account for your results in (i) above
(iii) If the tin foil were removed from the tip of seedling R, what results would be observed after 2 days.
(iv) State the expected results after 3 days if the boxes were removed.
Date posted: October 9, 2018. Answers (1)
- State the ways in which tropisms are important to plants.(Solved)
State the ways in which tropisms are important to plants.
Date posted: October 9, 2018. Answers (1)
- Explain the various types of tropism in plants .(Solved)
Explain the various types of tropism in plants.
Date posted: October 9, 2018. Answers (1)
- Define the term tropism(Solved)
Define the term tropism
Date posted: October 9, 2018. Answers (1)
- What causes tactic responses?(Solved)
What causes tactic responses?
Date posted: October 9, 2018. Answers (1)
- What are tactic responses?(Solved)
What are tactic responses?
Date posted: October 9, 2018. Answers (1)
- List the examples of external stimuli to organisms.(Solved)
List the examples of external stimuli to organisms.
Date posted: October 9, 2018. Answers (1)
- Explain the significance of mutation in evolution.(Solved)
Explain the significance of mutation in evolution.
Date posted: October 8, 2018. Answers (1)
- What is special creation?
(Solved)
What is special creation?
Date posted: October 8, 2018. Answers (1)
- State the importance of sex linkage.(Solved)
State the importance of sex linkage.
Date posted: October 8, 2018. Answers (1)
- How is sex determined in human beings?(Solved)
How is sex determined in human beings?
Date posted: October 8, 2018. Answers (1)
- Explain the inheritance of Rhesus factor (Rh) in human beings.
(Solved)
Explain the inheritance of Rhesus factor (Rh) in human beings.
Date posted: October 8, 2018. Answers (1)
- Explain the inheritance of ABO blood groups (Solved)
Explain the inheritance of ABO blood groups
Date posted: October 8, 2018. Answers (1)
- What are multiple alleles?(Solved)
What are multiple alleles?
Date posted: October 8, 2018. Answers (1)