CBSE Class 10 Science General Awareness Questions and Answers
91 A person cannot see the distant objects clearly (though he can see the nearby objects clearly). He is suffering from the defect of vision called:
92 How eyes adjust in order to focus the image of near or distant objects on retina?
Answer: The lens becomes thicker or thinner according to the position of the object
93 The term “accommodation” as applied to the eye, refers to its ability to:
Answer: Adjust the focal length of the lens
96 The shape of the magnetic field lines produced by a current carrying conductor are:
Answer: Concentric circles
99 Which among the following procedures is used for cleaning the blood of a person by separating the waste substance from it?
100 Among the following choose the correct option which includes the organisms that have a holozoic mode of nutrition:
Answer: Parakeet and Amoeba