NSO Level 1- Science Olympiad (SOF) Class 10: Questions 243 - 247 of 986

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Question 243

Question

MCQ▾

In the periodic table, elements have been arranged

Choices

Choice (4)Response

a.

In the order of increasing atomic number

b.

In the order of increasing density

c.

In the order of increasing volume

d.

In the order of increasing atomic weights

Question 244

Question

MCQ▾

Which is not a principle of natural selection?

Choices

Choice (4)Response

a.

Variation

b.

Heretability

c.

Overproduction

d.

None of the above

Question 245

Question

MCQ▾

In acid, halogen atoms replaces a hydrogen atom from an

Choices

Choice (4)Response

a.

Alkenyl group

b.

Functional group

c.

Phenyl group

d.

Alkyl group

Question 246

Question

MCQ▾

Fertilization of a flower by pollen from the same flower on the same plant is called

Choices

Choice (4)Response

a.

Xenogamy

b.

Autogamy

c.

Geitonogamy

d.

Allogamy

Question 247

Question

Match List-Ⅰ List-Ⅱ▾

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)

Adrenal gland

(i)

Insulin

(B)

Pituitary gland

(ii)

Adrenalin

(C)

Ovary

(iii)

Follicle stimulating hormone

(D)

Pancreas

(iv)

Progesterone

Choices

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

a.

  • (ii)
  • (iii)
  • (iv)
  • (i)

b.

  • (iv)
  • (i)
  • (iii)
  • (ii)

c.

  • (iii)
  • (i)
  • (ii)
  • (iv)

d.

  • (iv)
  • (ii)
  • (iii)
  • (i)

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