Welcome, Guest
General Science MCQ Practice
Practice General Science questions with instant scoring, correct answer highlighting, detailed solutions and first-click AI explanation caching for missing explanations.
📚 Questions: 553
🧭 Page: 4 / 56
🎯 10 per page
Correct: 0/10
Wrong: 0/10
Correct
Wrong
Accuracy
Q. 4194
👁 0 views
Pure water freezes at a temperature:
Ordinarily, the freezing point of water and melting point is 0°C or 32°F.
Q. 4193
👁 0 views
"Curie" is unit of:
Curie (Ci): One of three units used to measure the intensity of radioactivity.
The original unit for measuring the amount of radioactivity was the curie (Ci)–first defined to correspond to one gram of radium-226.
The original unit for measuring the amount of radioactivity was the curie (Ci)–first defined to correspond to one gram of radium-226.
Q. 4191
👁 0 views
Which quantity is increased in step-down
transformer?
a step-down transformer the voltage is stepped down, or reduced, and the current is increased.
Q. 4190
👁 0 views
Which among the following is present in refrigerator?
Chlorotluorocarbons (CFCs) have recently been phased out and newer refrigerators will not contain CFCs. The use of CFCs was phased out by 2000 under the Montreal Protocol.
Q. 4180
👁 0 views
The "powerhouse" of cell is:
Mitochondria are membrane-bound cell organelles that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP).
Q. 4178
👁 0 views
Which metal is present in haemoglobin?
Iron is an essential element for blood production, and about 70 percent of your body's iron is in the red blood cells called hemoglobin.
Q. 4177
👁 0 views
Which one of the following animals is not "warm-blooded"?
frogs and toads are cold-blooded. This means their body temperatures change to match the temperatures of their environment.
Q. 4174
👁 0 views
The radioactive element used in heart-pacemakers is:
Plutonium 238 devices are used as heat sources in cardiac pacemakers and satellites.
Q. 4170
👁 0 views
An Obstetrician deals with:
Obstetricians specialize in obstetrics, which deals with all aspects of pregnancy and childbirth, from prenatal care to postnatal care.
Q. 4163
👁 0 views
"Seahorse" is a:
Seahorse (Hippocampus) is a tiny fish that named for the shape of its head, which looks like the head of a tiny horse. There are at least 50 species of seahorses.
Correct: 0/10
Wrong: 0/10
Correct
Wrong
Accuracy
0%