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Nisha and Neha were playing together on a street where they accidentally collided with each other and fell down. After that, Neha started feeling pain in her elbow and could not bent it easily. Nisha also developed discomfort in one of her wrists and had difficulty in writing. They visited doctor who told them that their joints were injured. Identify their injured joints and select the correct option regarding them.
Nisha | Neha | |
---|---|---|
A | Injured joint is the type of joint also present between metacarpal and carpal of thumb. | Injured joint is the type of joint also present between skull and first vertebra of backbone. |
B | Injured joint is the type of joint also present between upper arm and forearm. | Injured joint is the most freely movable joint of body. |
C | Injured joint is the type of joint also present between tarsal bones. | Injured joint allows movement primarily in one plane. |
D | None of these |
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Ans 1:
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Ans 2: (Master Answer)
D
When the key K is closed, an electric current starts flowing in the circuit . The current which passes through bulb P gets divided in bulbs Q and R. For the identical bulbs , the brightness will depend upon the current flowing through the bulbs,So P will glow brighter than Q and R .
Ans 3:
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Look at the Venn diagram. Which of the following objects described below are most likely to be I, II and III? Choose the correct option.
I | II | III | |
A | Oiled paper | Air | Cellophane paper |
B | Glass | Frosted glass | Wood |
C | Wax paper | Clean water | Diamond |
D | Mirror | Diamond | Lamp |
Ans 1: (Master Answer)
B
Transparent objects allow the light to pass through it completely , while the translucent passes the light partially .
An object is categorised as opaque if it completely blocks the light falling on it.
Hence, B is the correct option.