NSO Level 1- Science Olympiad (SOF) Class 10: Questions 509 - 512 of 986

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Question 509

Question

MCQ▾

Which is not a part of the human Forebrain?

Choices

Choice (4)Response

a.

Thalamus

b.

Hypothalamus

c.

Cerebrum

d.

Pons

Question 510

Question

Match List-Ⅰ List-Ⅱ▾

Match the method of asexual reproduction in column I with the related organisms in column II and select the correct option from the codes given below.

List-Ⅰ (Column I)List-Ⅱ (Column II)
(A)

Ferm

(i)

Spore Formation

(B)

Starfish

(ii)

Regeneration

(C)

Yeast

(iii)

Budding

(D)

Amoeba

(iv)

Binary Fission

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (ii)
  • (iv)
  • (iii)
  • (i)

b.

  • (i)
  • (ii)
  • (iii)
  • (iv)

c.

  • (iv)
  • (iii)
  • (i)
  • (ii)

d.

  • (iii)
  • (ii)
  • (i)
  • (iv)

Passage

Read the following passage and answer the question.

The law was given by Henry Moseley in it states,

“Properties of the elements are the periodic function of their atomic numbers” .

The trends observed in some important properties of the elements in moving down the group (from top to bottom of the table) and across a period (from left to right in a period) are Valency, atomic size, metallic and non-metallic, electronegativity.

Question 511 (1 of 3 Based on Passage)

Question

MCQ▾

Which is correct for metallic and non-metallic properties?

Choices

Choice (4)Response

a.

In a period, all the elements contain the same number of shells

b.

The relative tendency of an atom to attract the shared electron pair of electrons towards itself

c.

In a period from left to right metallic nature, decreases while non-metallic character increases.

d.

Question does not provide sufficient data or is vague

Question 512 (2 of 3 Based on Passage)

Question

MCQ▾

“Properties of the elements are the periodic function of their atomic numbers.” The law is

Choices

Choice (4)Response

a.

Atomic law

b.

Law of Octaves

c.

The periodic law

d.

Modern periodic Law

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