NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 635 - 642 of 1998

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Question 635

Question MCQ▾

The rationalizing factor of is

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 636

Question MCQ▾

Ideogram is

Choices

Choice (4)Response

a.

Total no. of chromosome

b.

Diagrammatic representation of chromosome

c.

Preparation of chromosomal set

d.

Identification of no. of chromosomes

Edit

Question 637

Question MCQ▾

A metallic right circular cone of height 18 cm and base radius 14 cm is melted into a cuboid whose two sides are 22 cm and 12 cm. What is the third side of the cuboid?

Choices

Choice (4)Response

a.

12 cm

b.

28 cm

c.

14 cm

d.

7 cm

Edit

Question 638

Question MCQ▾

The area of the base of a cone is 308 sq cm. Its height is 24 cm. Then its total surface area is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 639

Question MCQ▾

If a and b are two rational numbers, then which of the following statements is wrong?

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Edit

Question 640

Question MCQ▾

Which of the following possess cilia?

Choices

Choice (4)Response

a.

Yeast

b.

Amoeba

c.

Paramecium

d.

Euglena

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Question 641

Question MCQ▾

The ratio of the volume and curved surface area of a cylinder of unit radius and unit height

Choices

Choice (4)Response

a.

2: 3

b.

2: 1

c.

1: 2

d.

3: 2

Edit

Question 642

Question MCQ▾

Function of centriole is

Choices

Choice (4)Response

a.

DNA synthesis

b.

Spindle formation

c.

Protein synthesis

d.

RNA synthesis

Edit