MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Dairy Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What are positively charged Ions in a solution called? |
| A. | Cation |
| B. | Anion |
| C. | Atom |
| D. | Element |
| Answer» B. Anion | |
| 2. |
The smallest part of an element that cannot exist as a free state is __________ |
| A. | Ion |
| B. | Charge |
| C. | Atom |
| D. | Molecule |
| Answer» B. Charge | |
| 3. |
The charge on neutron is ______ |
| A. | Positive |
| B. | Negative |
| C. | Neutral |
| D. | Both positive and Negative |
| Answer» D. Both positive and Negative | |
| 4. |
The charge on Electron is _______ |
| A. | Positive |
| B. | Negative |
| C. | Neutral |
| D. | Both positive and Negative |
| Answer» C. Neutral | |
| 5. |
The charge on a proton is _____ |
| A. | Positive |
| B. | Negative |
| C. | Neutral |
| D. | Both positive and Negative |
| Answer» B. Negative | |
| 6. |
What constitutes the nucleus of the atom? |
| A. | Electron |
| B. | Proton |
| C. | Neutron |
| D. | Proton and neutron |
| Answer» E. | |
| 7. |
Approximately how many elements are known to us? |
| A. | 20 |
| B. | 30 |
| C. | More than 100 |
| D. | 50 |
| Answer» D. 50 | |
| 8. |
A Substance in which all the atoms are of the same kind is called ______ |
| A. | Blocks |
| B. | Pyramid |
| C. | Element |
| D. | Atom |
| Answer» D. Atom | |
| 9. |
_____ is the smallest building block of all matter in nature and cannot be divided chemically. |
| A. | Element |
| B. | Molecule |
| C. | Cube |
| D. | Atom |
| Answer» E. | |
| 10. |
An electric field deflects beams of ? |
| A. | Protons |
| B. | Electrons |
| C. | Neutrons |
| D. | Protons and electrons |
| Answer» E. | |
| 11. |
Number of Protons and electrons in an atom are : |
| A. | Different |
| B. | Same |
| C. | Average |
| D. | Constant |
| Answer» C. Average | |
| 12. |
Most part of the atom is |
| A. | Empty |
| B. | Filled |
| C. | Charged |
| D. | Covered |
| Answer» B. Filled | |
| 13. |
Smaller particles in atom are called ________ |
| A. | Atomic particles |
| B. | Sub-atomic particles |
| C. | Smaller particles |
| D. | Neutral particles |
| Answer» C. Smaller particles | |
| 14. |
Chemical symbol is the representation of |
| A. | Chemical formula |
| B. | Molecular formula |
| C. | Structural formula |
| D. | Atomic Formula |
| Answer» B. Molecular formula | |
| 15. |
Modern model of atom shows that electrons are outside nucleus in region of high: |
| A. | Probability |
| B. | Velocity |
| C. | Speed |
| D. | Energy level |
| Answer» B. Velocity | |
| 16. |
C3H603 is the chemical formula for _____ |
| A. | Ascorbic Acid |
| B. | Lactic Acid |
| C. | Tartaric Acid |
| D. | Lactose |
| Answer» C. Tartaric Acid | |
| 17. |
Atoms of the same element or of different elements combine into larger units which are called ______ |
| A. | Atom |
| B. | Molecule |
| C. | Ion |
| D. | Element |
| Answer» C. Ion | |