NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 220 - 226 of 2000

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Question number: 220

» Biology » Fundamentals Unit of Life

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MCQ▾

Question

The term “cell” was being given by

Choices

Choice (4) Response

a.

T. S. Schwann

b.

M. J. Schleiden

c.

A. V. Leeuwenhoek

d.

Robert Hooke

Question number: 221

» Mathematics » Areas of Parallelograms and Triangles

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MCQ▾

Question

The area of a square is , Its perimeter is ________.

Choices

Choice (4) Response

a.

36 cm

b.

18 cm

c.

72 cm

d.

9 cm

Question number: 222

» Mathematics » Circles

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MCQ▾

Question

The length l of a tangent, drawn from a point A to a circle is of the radius r. The shortest distance from A to the circle is

Choices

Choice (4) Response

a.

r

b.

c.

d.

Question number: 223

» Mathematics » Lines and Angles

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MCQ▾

Question

If D is a mid-point of the hypotenuse AC of a right triangle ABC then BD is equal to

Choices

Choice (4) Response

a.

AC

b.

2AC

c.

d.

Question number: 224

» Mathematics » Circles

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MCQ▾

Question

The least number of non-collinear points required to draw a circle passing through them is

Choices

Choice (4) Response

a.

Four

b.

Two

c.

Three

d.

Nine

Question number: 225

» Mathematics » Lines and Angles

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MCQ▾

Question

The difference of two complementary angles is . Then the angles are

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 226

» Mathematics » Lines and Angles

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MCQ▾

Question

In a the angle bisectors of the , meet at O. If then is

Triangle poly1 Triangle poly1: Polygon P, Q, R Arc d Arc d: Semicircle through C and D Segment c Segment c: Segment [P, Q] of Triangle poly1 Segment a Segment a: Segment [Q, R] of Triangle poly1 Segment b Segment b: Segment [R, P] of Triangle poly1 Segment f Segment f: Segment [R, A] Segment g Segment g: Segment [Q, B] Point P P = (-0.1,2.58) Point P P = (-0.1,2.58) Point P P = (-0.1,2.58) Point Q Q = (-2.46, -0.94) Point Q Q = (-2.46, -0.94) Point Q Q = (-2.46, -0.94) Point R R = (1.94, -0.9) Point R R = (1.94, -0.9) Point R R = (1.94, -0.9) Point O Point O: Intersection point of f, g Point O Point O: Intersection point of f, g Point O Point O: Intersection point of f, g 1 text1 = “1” 2 text1_1 = “2” 3 text1_2 = “3” 4 text1_3 = “4”

Image of a Triangle PQR with Bisectors of Angles Q and R Meet at O

Representing the image of a triangle PQR with bisectors of angles Q and R meet at O

Choices

Choice (4) Response

a.

b.

c.

d.

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