Q. 935.0( 1 Vote )
Which of the following changes occur when you walk out of bright sunshine into a poorly lit room?
A. the pupil becomes larger
B. the lens becomes thicker
C. the ciliary muscle relaxes
D. the pupil becomes smaller
Answer :
When a person walks out of bright sunshine into a poorly lit room, the pupil dilates and becomes larger to allow maximum light to enter the eye and thus helps in viewing things easily in a poorly lit room.
Rate this question :






















Write down the names of parts of the eye in the blank spaces shown in Fig. 16.10.
NCERT - Science Exemplar
Explain the process which enables us to perceive motion in a cartoon film.
NCERT - Science ExemplarWhich of the following statements is correct regarding rods and cones in the human eye?
NCERT - Science ExemplarIn the figure of the human eye (Fig.16.5), the cornea is represented by the letter
NCERT - Science Exemplar
Explain what happens to the size of the pupil of our eye in bright.
All in One - ScienceWhat happens to the size of the pupil of our eye in bright?
All in One - ScienceName the part of our eye that gives it as distinctive colour.
All in One - ScienceWhat are the functions of the following parts of the eye?
(a) Iris
(b) Eye-lens
(c) Ciliary muscles
(d) Retina
(e) Optic nerve
Lakhmir Singh & Manjit Kaur - ScienceDraw a labelled diagram of the human eye. Label the following parts on this diagram: Cornea, Iris, Pupil, Ciliary muscles, Eye-lens, Retina, Optic nerve, Blind spot.
Lakhmir Singh & Manjit Kaur - ScienceWhich of the following is not a part of the human eye?
Lakhmir Singh & Manjit Kaur - Science