NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1221 - 1227 of 1998

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Question 1221

Question MCQ▾

________ covers dermal layer.

Choices

Choice (4)Response

a.

Epithelial layer

b.

Neuron

c.

Connective tissue

d.

Epidermal layer

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Question 1222

Question MCQ▾

Factorize

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 1223

Question MCQ▾

Myoglobin is

Choices

Choice (4)Response

a.

Bone haemoglobin

b.

Blood haemoglobin

c.

Muscle haemoglobin

d.

Question does not provide sufficient data or is vague

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Question 1224

Question Match List-Ⅰ List-Ⅱ▾

Match the following

List-Ⅰ (Group I)List-Ⅱ (Group II)
(A)

Macrophages

(i)

Production of antibodies

(B)

Spleen

(ii)

Produced in bone marrow but maturation and immunological competency gained in thymus

(C)

B-lymphocytes

(iii)

Graveyard of RBCs

(D)

T-lymphocytes

(iv)

Phagocytosis

Choices

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

a.

  • (iv)
  • (ii)
  • (iii)
  • (i)

b.

  • (iv)
  • (iii)
  • (i)
  • (ii)

c.

  • (iii)
  • (i)
  • (iv)
  • (ii)

d.

  • (i)
  • (iii)
  • (iv)
  • (ii)

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Question 1225

Question MCQ▾

If then the value of is

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 1226

Question MCQ▾

Neurotransmitters move through synapses from presynaptic bulb to postsynaptic bulb by which of the following process?

Choices

Choice (4)Response

a.

Active transport

b.

Osmosis

c.

Diffusion

d.

Facilitated transport

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Question 1227

Question MCQ▾

Blood is connective tissue. It has Plasma and formed elements in it՚s composition. RBCs are oxygen carrying machinery with haemoglobin protein in its cytoplasm. Which of the following is part of haemoglobin?

Choices

Choice (4)Response

a.

α- chain and α ′ -chain

b.

β- chain and β ′ - chain

c.

Both a. and b. are correct

d.

None of the above

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