Advertisements
Advertisements
Question
Night birds have ______ cones than rods in their eyes.
Solution
Night birds have less cones than rods in their eyes.
Explanation:
Night birds can see in the night, but not in the day. They have many rod cells and only a few cones on their retina. The owl has a large cornea and pupil, allowing more light into its eye. It also has a large number of rods and only a few cones on its retina. The day birds, on the other hand, have more cones and fewer rods.
APPEARS IN
RELATED QUESTIONS
State whether the following statement is true or false:
The image formed on our retina is upside-down
What is the:
far point of a normal human eye?
Name the part of our eyes which helps us to focus near and distant objects in quick succession.
There are two types of light-sensitive cells in the human eye:
To what is each type of cell sensitive?
Name the muscles of the eye responsible for the power of accommodation.
Correct and rewrite the statements by changing the biological term that is underlined for the statement:
The part of the eye which can be donated from a clinically dead person is the Retina.
State the Function:
Ear drum
The following figure show the change in the shape of the lens while seeing distant and nearby objects. Complete the figures by correctly labelling the diagram.
The following figure show the change in the shape of the lens while seeing distant and nearby objects. Complete the figures by correctly labelling the diagram.
Shylesh is a school-going kid studying standard VIII. He is crazy about playing video games on mobile phones. After a couple of months, his eyes turned red and he felt severe pain in his eyes. His science teacher enquired about this and advised his parents to take him to an eye doctor.
- How does excessive usage of mobile phone affect our eyes?
- What are the values shown by the teacher?