Which one among the following is not a desirable aim of science education at the upper primary level?
To know the facts and principles of science and its applications
To nurture the natural curiosity, aesthetic sense, and creativity in science and technology
To gain the knowledge available through memorizing the content and process of science
To imbibe the values of honesty, integrity and cooperation
Select the correct statement regarding rods and cones in the human eye.
Cones are sensitive to dim light
Rods are sensitive to bright light
Cones are sensitive to bright light
Rods can sense colour
Consider the following terms
Earthquakes can cause
B, D, and E
B and E
A, B, and C
Only A
An object is vibrating at 5000 Hz. The time period of the sound produced is
0.005 sec
0.02 sec
0.0002 sec
0.5 sec
Which one of the following planets has no natural satellite of its own?
Uranus
Mars
Venus
Jupiter
A bus covers the first 10 km of its journey at an average speed of 40 km/h and the remaining 45 km at an average speed of 60 km/h. The average speed of the bus for its total journey is
52.5 km/h
55 km/h
50 km/h
57.5 km/h
B.
55 km/h
Which one of the following shows the correct sequence of the path of urine in the human excretory system?
Kidney → Urinary bladder → Ureter → Urethra
Kidney → Ureter → Urinary bladder → Urethra
Kidney → Urinary bladder → Urethra → Ureter
Kidney → Urethra → Urinary bladder → Ureter
Sometimes after doing physical work we get muscle cramps. This results due to
non-conversion of glucose to pyruvate
conversion of pyruvate to alcohol
non-conversion of glucose to lactic acid
conversion of pyruvate to lactic acid
Which one of the following sets is the combination of organs of the human digestive system that do not carry out any digestive function?
Oesophagus, large intestine, rectum
Buccal cavity, esophagus, large intestine
Buccal cavity, large intestine, rectum
Buccal cavity, oesophagus, rectum