NSO Level 1- Science Olympiad (SOF) Class 10: Questions 306 - 310 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. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 306

» Life Processes

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the phytohormones of column I with role played by them in column II and select the correct option from the codes given below:

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Cytokinin

(i)

Falling of fruits and flowers.

(B)

Abscisic acid

(ii)

Cell growth of stem

(C)

Gibberellins

(iii)

Ripening of fruits in plants.

(D)

Ethylene

(iv)

Breaking dormancy of buds and seeds

Choices

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

a.

  • (ii)
  • (iv)
  • (iii)
  • (i)

b.

  • (iv)
  • (i)
  • (ii)
  • (iii)

c.

  • (iv)
  • (iii)
  • (ii)
  • (i)

d.

  • (i)
  • (ii)
  • (iii)
  • (iv)

Question number: 307

» Periodic Classification of Elements

Edit
MCQ▾

Question

Which of the following trends is not a physical property?

Choices

Choice (4) Response

a.

Anomalous

b.

Metallic and non-metallic

c.

Valency

d.

Atomic size

Question number: 308

» Periodic Classification of Elements

Edit
MCQ▾

Question

Which element is not reacting with oxygen?

Choices

Choice (4) Response

a.

Sodium

b.

Nitrogen

c.

Boron

d.

Helium

Question number: 309

» Human Eye and Colourful World

Edit
MCQ▾

Question

Which of the following is not correct for primary rainbow?

Choices

Choice (4) Response

a.

Shorted wavelength of visible light appearing at the innermost portion of the ring

b.

Red color is on the outside and violet colors is on the inside

c.

Involves two reflections inside the falling droplets

d.

The brightest than secondary rainbow

Question number: 310

» Life Processes

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match column I and column II and select the correct option from the codes given below.

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Ovary

(i)

Anti-diuretic hormone (ADH)

(B)

Pituitary gland

(ii)

Progesterone

(C)

Testes

(iii)

Adrenalin

(D)

Adrenal gland

(iv)

Testosterone

Choices

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

a.

  • (iv)
  • (i)
  • (iii)
  • (ii)

b.

  • (ii)
  • (iv)
  • (i)
  • (iii)

c.

  • (i)
  • (iii)
  • (ii)
  • (iv)

d.

  • (ii)
  • (i)
  • (iv)
  • (iii)

Developed by: