1.
Part A1 Which of the following are human sense organs?
I Eye lids
II Ears
III Tongue
IV Skin
Correct Answer
C. II, III and IV only
Explanation
EYE LID IS IS A PART OF EYE.
2.
2.Which part of the human body is the first to receive external stimuli?
Correct Answer
B. The sensory organ
Explanation
THE BRAIN,NERVE AND EFFECTORS NOT THE FIRST PART STIMULI RECIEVE THE STIMULUS.
3.
3.
The figure above shows a cross-section of a human skin. Which of the parts labelled A, B, C or D, is most sensitive to pain?
Correct Answer
A. A
Explanation
THE MOST OUTER RECEPTOR RECIEVES PAIN STIMULI
4.
4.When our nose produces too much mucus, we cannot smell well. What happens when ournose is completely dry?
Correct Answer
C. Our nose cannot detect smells
Explanation
MUCUS IS NEEDED TO DETECT CHEMICAL SUBSTANCES IN AIR THAT ENTER HUMAN NOSERILL
5.
5.The figure above shows a cross-section of the human ear. Which of the parts, labelled A, B, C or D, is not involved in the hearing mechanism?
Correct Answer
C. C
Explanation
THIS PART INCHARGE IN BODY BALANCE ONLY.
6.
6. Which of the following is not a part of the eye?
Correct Answer
C. Cochlea
Explanation
COCHLEA IS HEARING PART.
7.
7.The figure above shows a sight defect. What causes this sight defect?
Correct Answer
B. A thick lens
Explanation
THE IMEJ IS NOT FORM ONTO RETINA
8.
Which of the following conditions cannot be aided by using any of the above instruments?
I Astigmatism
II Night blindness
III Short sightedness
IV Colour blindness
Correct Answer
B. II and IV only
Explanation
THESE TWO EYE DEFECTS ARE INHERITED FROM THEIR PARENTS
9.
10.
The apparatus in the figure above was set up and left for five days. What will you observe after five days?
Correct Answer
A. The shoots will grow upwards and the roots will grow to the right
Explanation
THE SHOOTS RESPONSE TO LIGHT AND THE ROOTS RESPONSE TO WATER
10.
Part B1. Sound is produce by...........................
Correct Answer
vibrations
Explanation
the vibration of particles will produce sound waves
11.
2.the transmission of sound needs a........................
Correct Answer
medium
Explanation
medium usually exsits in form of gas,liquid or gas.
12.
2.State the stimulus fora) Phototropism-......................................b) Hydrtropism-.......................................c) Geotropism-..........................................d) Tigmotropism-........................................
Correct Answer
light water gravity touch
Explanation
each of plant stimulus will respon for pleasant response
13.
1. State two types of animal visionsa).................................................b)..................................................
Correct Answer
monocular stereoscopic
Explanation
The correct answer is monocular and stereoscopic. Monocular vision refers to the ability of animals to see with only one eye, while stereoscopic vision refers to the ability to perceive depth and distance using both eyes. Monocular vision allows animals to have a wider field of view, while stereoscopic vision provides better depth perception and helps with tasks such as hunting and navigating through complex environments.
14.
3. Reflection of light is carried on when a light rays ....................by an opaque surface.
Correct Answer
reflected
Explanation
When light rays hit an opaque surface, they bounce back or change direction. This phenomenon is known as reflection. Therefore, the correct answer is "reflected."
15.
4...........................of light takes place when light travel through two different media with alson in different densities.
Correct Answer
refraction
Explanation
Refraction of light occurs when light travels from one medium to another with a change in density. This change in density causes the light to change direction or bend as it passes through the boundary between the two media. This phenomenon is responsible for various optical effects, such as the bending of light in a prism or the apparent shift in position of an object when viewed through a glass of water.