NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 276 - 281 of 1042

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1042 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 276

» Biology » Heredity and Evolution

MCQ▾

Question

Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful

Choices

Choice (4) Response
a.

CO 2 in the air

b.

solar ultraviolet radiation

c.

SO 2 in the air

d.

solar infrared radiation

Question number: 277

» Mathematics » Rational Numbers

MCQ▾

Question

Ravi can build a wall in the same time in which Mahesh and Suresh together do it. If Ravi and Mahesh together could do it in 10 days and Suresh alone in 15 days. In what time Mahesh alone do it?

Choices

Choice (4) Response
a.

30 days

b.

50 days

c.

40 days

d.

60 days

Question number: 278

» Chemistry » Acid Bases and Salt

MCQ▾

Question

Boyle suggested some properties of acid; choose the correct set of them.

Choices

Choice (4) Response
a.

Sour taste, corrosive change litmus from red to blue

b.

Sour taste, slippery change litmus from blue to red

c.

Sour taste, corrosive change litmus from blue to red

d.

Sweet taste, slippery change litmus from blue to red

Question number: 279

» Mathematics » Basic Geometry

MCQ▾

Question

If the 3 consecutive vertices of a square are (- 1, 4), (- 3, 0) and (1, - 2), which of the following can be its fourth vertex?

Choices

Choice (4) Response
a.

(3, 2)

b.

(- 3, 2)

c.

(2, 3)

d.

(1, 2)

Question number: 280

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

A current flows in a conductor from East to West. The direction of the magnetic field at a point above the conductor is

Choices

Choice (4) Response
a.

towards South

b.

towards North

c.

towards East

d.

towards West

Question number: 281

» Mathematics » Quadratic Equations

MCQ▾

Question

If a and p are the roots of the quadratic equation

2x24x+1=0

. Then, the value of

1α+2β+1β+2α

is equal to

Choices

Choice (4) Response
a.

1317

b.

1712

c.

1217

d.

1117

Sign In