General Science Practice Question and Answer
8 Q: Which is the hardest substance in the human body?
1208 062e7e2b34404a856fa0e8f9c
62e7e2b34404a856fa0e8f9c- 1Kneecapfalse
- 2Finger Nailsfalse
- 3Tooth Enameltrue
- 4Skull Bonesfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Tooth Enamel"
Q: Which of the following substances is insoluble in water?
1206 064106d9186fd4161468c3186
64106d9186fd4161468c3186- 1Saltfalse
- 2Sugarfalse
- 3Chalk powdertrue
- 4Milkfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Chalk powder "
Explanation :
Chalk powder, which primarily consists of calcium carbonate, is relatively insoluble in water. While it can react very slowly with water over time to form soluble calcium bicarbonate, the solubility of chalk powder in water is extremely low, making it effectively insoluble for most practical purposes.
Q: Light sensitive salts Metal is___.
1205 05fc881ec907913387b04c687
5fc881ec907913387b04c687- 1Zincfalse
- 2Silvertrue
- 3Copperfalse
- 4Aluminiumfalse
- 5Ironfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Silver"
Q: Which vitamin is related to Cholecalciferol?
1198 16093a323402c5862950ea826
6093a323402c5862950ea826- 1Vitamin Cfalse
- 2Vitamin Afalse
- 3Vitamin B1false
- 4Vitamin D3true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Vitamin D3 "
Q: Which of the following is the third stage in the metamorphosis of a butterfly?
1197 0607e9c62bb0cf45e365b0724
607e9c62bb0cf45e365b0724- 1Eggfalse
- 2Pupatrue
- 3Adultfalse
- 4Larvafalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Pupa "
Q: Which is the second-largest moon in our solar system?
1195 05fed865c9e37c260813ecc11
5fed865c9e37c260813ecc11- 1Titan (Saturn moon)true
- 2Saturn moonfalse
- 3moons of Jupiterfalse
- 4moons Saturnfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Titan (Saturn moon)"
Q: How many bones are found in children?
1195 060a36cf5b1d2440614bc2761
60a36cf5b1d2440614bc2761- 1206false
- 2300true
- 3304false
- 4305false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "300 "
Q: Mitochondria are absent in?
1194 063b6c89061d62119f1a21915
63b6c89061d62119f1a21915- 1green algaefalse
- 2bacteriatrue
- 3fungusfalse
- 4yeastfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "bacteria"
Explanation :
Bacteria are prokaryotes. They are single-celled organisms and microscopic. It does not have well defined nucleus and cell organelles. Thus, mitochondria is absent in them.