NSO Level 1- Science Olympiad (SOF) Class 9: Questions 831 - 835 of 1123

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Question number: 831

» Biology » Tissues

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MCQ▾

Question

Contractile proteins are found in

Choices

Choice (4) Response

a.

Muscles

b.

Cartilage

c.

Bones

d.

Blood

Question number: 832

» Mental Ability

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MCQ▾

Question

Euclid stated that all right angles are equal to one another in the form of a/an ________.

Choices

Choice (4) Response

a.

Postulate

b.

Definition

c.

Proof

d.

Axiom

Question number: 833

» Biology » Health & Diseases

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MCQ▾

Question

Dengue is caused due to

Choices

Choice (4) Response

a.

Protozoa

b.

Virus

c.

Fungi

d.

Bacteria

Question number: 834

» Biology » Fundamentals Unit of Life

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MCQ▾

Question

Which of these statements define osmosis in the best way?

Choices

Choice (4) Response

a.

Movement of water molecules from a region of higher concentration to a region of lower concentration through a semi permeable membrane

b.

Movement of water molecules from a region of lower concentration to a region of higher concentration through a semi permeable membrane

c.

Movement of water molecules from a region of higher concentration to a region of lower concentration through a permeable membrane

d.

Movement of solvent molecules from a region of higher concentration to a region of lower concentration through a semi- permeable membrane

Question number: 835

» Chemistry » Atoms & Molecules

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MCQ▾

Question

Points of difference between Molecular mass and formula unit mass is

  1. Formula unit mass is the sum of the atomic masses of all atoms in a formula unit of a compound

  2. Molecular Mass is the sum of the atomic masses of all atoms in a molecule of a compound

  3. Molecular mass is calculated in compounds where the constituent particles are atoms

  4. Formula unit mass is calculated in compounds where the constituent particles are ions

Choices

Choice (4) Response

a.

2 and 4

b.

3 and 4

c.

1 and 3

d.

1 and 2

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