NSO Level 1- Science Olympiad (SOF) Class 10: Questions 507 - 511 of 986

Access detailed explanations (illustrated with images and videos) to 986 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Passage

Direction: Observe the following diagram and answer the question below

Image of the eye and lens

Image of the Eye and Lens

Question number: 507 (3 of 4 Based on Passage) Show Passage

» Human Eye and Colourful World

Edit
MCQ▾

Question

Myopia caused by

Choices

Choice (4)Response

a.

Decrease in curvature of the lens

b.

Increase in length of the eyeball

c.

Question does not provide sufficient data or is vague

d.

All of the above

Question number: 508 (4 of 4 Based on Passage) Show Passage

» Human Eye and Colourful World

Edit
MCQ▾

Question

The lens of the eye can become thicker and thinner. Why is this flexibility useful?

Choices

Choice (4)Response

a.

The lens can allow varying amount of light to enter the eye

b.

The lens not likely to break

c.

The lens allow to the eye to focus on far object as well as near object

d.

The eye can move up, down, left and right

Question number: 509

» Life Processes

Edit
MCQ▾

Question

Which is not a part of the human Forebrain?

Choices

Choice (4)Response

a.

Thalamus

b.

Hypothalamus

c.

Cerebrum

d.

Pons

Question number: 510

» Reproduction in Organisms

Edit
Match List-Ⅰ List-Ⅱ▾

Question

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 number: 511 (1 of 3 Based on Passage) Show Passage

» Periodic Classification of Elements

Edit
MCQ▾

Question

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

Developed by: