NSO Level 1- Science Olympiad (SOF) Class 10: Questions 715 - 719 of 986

Access detailed explanations (illustrated with images and videos) to 986 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 715

» Magnetic Effects of Electric Current

Edit
MCQ▾

Question

Read the given statements for properties of magnetic lines and mark the correct option

Statement 1: Magnetic field lines originate from South Pole and end at North Pole

Statement 2: Magnetic field lines do not intersect each other.

Choices

Choice (4)Response

a.

Statements 1 and 2 are incorrect

b.

Only statement 1 is correct

c.

Only statement 2 is correct

d.

Statements 1 and 2 are correct

Question number: 716

» Our Environment and Its Management

Edit
MCQ▾

Question

Which of the following is incorrect for some approaches towards the conservation of forests?

Choices

Choice (4)Response

a.

People should be made more aware about importance of forests

b.

No require hunting law

c.

Deforestation should be banned

d.

Question does not provide sufficient data or is vague

Question number: 717

» Our Environment and Its Management

Edit
MCQ▾

Question

Which of the following method reducing the problem of waste disposal?

Choices

Choice (4)Response

a.

Using both method

b.

Using recyclable materials

c.

Using biodegradable materials

d.

Question does not provide sufficient data or is vague

Question number: 718

» Carbon and Its Componds

Edit
MCQ▾

Question

Ethanol reacts with Sodium Metal and produces

Choices

Choice (4)Response

a.

Ethane alcohol

b.

Sodium Ethoxide

c.

Ethane

d.

None of the above

Question number: 719

» Chemical Reactions and Equation

Edit
MCQ▾

Question

Which of the following method is protected steel pipelines against Corrosion?

Choices

Choice (4)Response

a.

Painting

b.

Plating

c.

Corrosion Inhibitors

d.

All a. , b. and c. are correct

Developed by: