NSO Level 1- Science Olympiad (SOF) Class 10: Questions 332 - 337 of 986

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Question number: 332

» Life Processes

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MCQ▾

Question

The Plant required following raw material for photosynthesis

Choices

Choice (4) Response

a.

Sunlight

b.

The raw material carbon dioxide enters from the atmosphere through stomata

c.

Water absorbed from the soil by the plant roots

d.

All a. , b. and c. are correct

Question number: 333

» Human Eye and Colourful World

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MCQ▾

Question

Which of the following part is supplies blood to the retina and conducts arteries and nerves to other structures in the eye?

Choices

Choice (4) Response

a.

Choroid

b.

Sclera

c.

Cornea

d.

Retina

Question number: 334

» Life Processes

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MCQ▾

Question

Growth in response to the direction of gravity, which called

Choices

Choice (4) Response

a.

Negative tropism

b.

Positive tropism

c.

Phototropism

d.

Geotropism

Question number: 335

» Periodic Classification of Elements

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MCQ▾

Question

In third period, the number of valance electron has increased in a group from

Choices

Choice (4) Response

a.

Bottom to top

b.

Top to bottom

c.

Right to left

d.

Left to right

Question number: 336

» Carbon and Its Componds

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MCQ▾

Question

The International union of pure and applied chemistry devised a method of systematically naming organic compounds, which is known as the IUPAC system. According to this system what will be the name of given compound?

Choices

Choice (4) Response

a.

Ethane

b.

Methane

c.

Hexane

d.

Propane

Question number: 337

» Reproduction in Organisms

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MCQ▾

Question

Which of the following statements is false?

Statements 1: The fetus is protected by the uterus and the amniotic fluid, a liquid contained in a bag called the Embryo

Statements 2: The placenta is responsible for providing oxygen and nutrients, and removing waste substances

Choices

Choice (4) Response

a.

Statements 2

b.

Statements 1 and 2 are correct

c.

Statements 1

d.

Question does not provide sufficient data or is vague

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