SCIENCE FORM 2 CHAPTER 1 REVISION

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| By Dragon97

Dragon97

Community Contributor

Quizzes Created: 1 | Total Attempts: 4,980

Questions: 5 | Attempts: 4,980 | Updated: Jun 10, 2024

1.

WHERE IS THE OLFACTORY CANAL LOCATED?
- A.
  
  IN THE NOSE
- B.
  
  IN THE MOUTH
- C.
  
  IN THE EAR
- D.
  
  INSIDE THE BODY
Correct Answer
A. IN THE NOSE

Explanation
THE OLFACTORY CANAL IS A STRUCTURE THAT IS LOCATED IN THE NOSE AND IT IS RESPONSIBLE TO COLLECT SMELL STIMULUS.

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1
0
2.

CAN YOU COUNT THE NUMBER OF TASTE BUDS IN YOUR TONGUE?
- A.
  
  YES
- B.
  
  NO
Correct Answer
B. NO

Explanation
THERE ARE MILLIONS OR BILIONS OF TASTE BUDS IN OUR BUT THE ACTUAL NUMBER OF TASTE BUDS IN NOT KNOWN YET.

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1
0
3.

HOW DO THE LENS EXPAND AND CONTRACT ITSELF WHEN WE SEE FAR OR NEAR OBJECT.

Correct Answer
IT IS DUE TO THE CILIARY MUSCLE THAT CONTRACTS OR EXPANDS WHEN IT SEE NEAR OR FAR OBJECT.

Explanation
THE CILIARY MUSCLE IS A STRUCTURE IN THE EYE THAT CONTRACTS TO MAKE THE LENS THINNER TO SEE DISTANT OR FAR OBJECT AND EXPANDS TO MAKE THE LENS THICKER TO SEE NEAR OBJECTS.

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4
4.

WHY IS SHORT-SIGHTEDNESS CALLED SHORT-SIGHTEDNESS?
5.

WHICH OF THE FOLLOWING ANSWERS IS TRUE?
- A.
  
  ASTIGMATISM IS CAUSED BY THE IRREGULAR SURFACE OF THE RETINA.
- B.
  
  COLOUR BLINDNESS IS CAUSED BY THE LENS IS BECOMING OPAQUE.
- C.
  
  WE CANNOT SEE IF THE LIGHT RAY IS FOCUSED ON THE YELLOW SPOT.
Correct Answer
A. ASTIGMATISM IS CAUSED BY THE IRREGULAR SURFACE OF THE RETINA.

Explanation
ASTIGMATISM IS CAUSED BY THE IRREGULAR SURFACE OF THE RETINA OR CORNEA.COLOUR BLINDNESS IS CAUSED BY THE PHOTORECEPTORS IN THE RETINA CANNOT FUNCTION PROPERLY AND WE CANNOT SEE WHEN THE LIGHT RAY IS FOCUSED ON THE BLIND SPOT.

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Science Form 2 Chapter 1 Revision

WHERE IS THE OLFACTORY CANAL LOCATED?

CAN YOU COUNT THE NUMBER OF TASTE BUDS IN YOUR TONGUE?

HOW DO THE LENS EXPAND AND CONTRACT ITSELF WHEN WE SEE FAR OR NEAR OBJECT.

WHY IS SHORT-SIGHTEDNESS CALLED SHORT-SIGHTEDNESS?

WHICH OF THE FOLLOWING ANSWERS IS TRUE?