NSO Level 1- Science Olympiad (SOF) Class 9: Questions 769 - 774 of 1123
Access detailed explanations (illustrated with images and videos) to 1123 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.
Rs. 450.00 or
How to register?
Question number: 769
Question number: 770
» Chemistry » The Nature of Matter
Question
Which of the following is an example of a homogeneous solution?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Copper sulphate solution |
|
| b. | Salt solution |
|
| c. | Potassium permanganate solution |
|
| d. | All a. , b. and c. are correct |
|
Question number: 771
» Chemistry » The Nature of Matter
Question
Which of the following is an application of centrifugation
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | In laboratories for blood and urine tests |
|
| b. | In dairies to separate butter from cream |
|
| c. | In washing machines to squeeze out water from clothes |
|
| d. | All a. , b. and c. are correct |
|
Question number: 772
Question
Vrunda took the following observations while looking into a permanent slide.
-
Cells are long and cylindrical.
-
Light and dark bands are present.
It could be a slide of
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | neuron |
|
| b. | striated muscle fibre |
|
| c. | parenchyma cells |
|
| d. | smooth muscle fibre |
|
Question number: 773
Question
If Nirva says, “Brinda’s father Ayush is the only son of my father-in-law Mukesh, ” then how is Radha, who is sister of Brinda related to Mukesh?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Daughter |
|
| b. | Grand-daughter |
|
| c. | Sister |
|
| d. | Question does not provide sufficient data or is vague |
|
Question number: 774
» Chemistry » Structure of the Atom
Question
The sum of the total number of protons and neutrons present in the nucleus of an atom is called
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Mass number |
|
| b. | Atomic number |
|
| c. | Valency |
|
| d. | None of the above |
|