AP (Advanced Placement) Biology: Questions 238 - 243 of 327

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Question number: 238

» Respiratory Systems

MCQ▾

Question

Krebs cycle takes place in

Choices

Choice (5) Response

a.

Cytoplasm

b.

Nucleus

c.

Mitochondria

d.

All of the above

e.

None of the above

Question number: 239

» Muscle & Skeletal Systems

MCQ▾

Question

Skull is made up of

Choices

Choice (5) Response

a.

22 bones

b.

50 bones

c.

30 bones

d.

25 bones

e.

55 bones

Question number: 240

» Respiratory Systems

Match List-Ⅰ List-Ⅱ▾

Question

Match the following.
List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Diaphragm contracts

(i)

Expiration

(B)

Expiration

(ii)

External intercostal muscles contract and internal intercostal muscles relax

(C)

Diaphragm relaxes

(iii)

External intercostal muscles relax and internal intercostal muscles contract

(D)

Inspiration

(iv)

Inspiration

Choices

Choice (5) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (i)
  • (iii)
  • (ii)
  • (iv)

b.

  • (iv)
  • (iii)
  • (i)
  • (ii)

c.

  • (i)
  • (iv)
  • (iii)
  • (ii)

d.

  • (ii)
  • (iii)
  • (iv)
  • (i)

e.

  • (ii)
  • (iv)
  • (i)
  • (iii)

Question number: 241

» Respiratory Systems

MCQ▾

Question

Mitochondria is self-replicating cell organelle due to presence of

Choices

Choice (5) Response

a.

DNA

b.

ER

c.

Ribosome

d.

Golgi body

e.

All of the above

Question number: 242

» Muscle & Skeletal Systems

MCQ▾

Question

The analogous structures to the tibia and fibula are the

Choices

Choice (5) Response

a.

Radius and ulna

b.

Clavicle and scapula

c.

Humerus and scapula

d.

Carpal and metacarpal

e.

Sacrum and coccyx

Question number: 243

» Muscle & Skeletal Systems

MCQ▾

Question

What is the sequence of the repair of a bone following fracture?

Choices

Choice (5) Response

a.

Hematoma forms → callus forms → osteoclasts remove debris → osteoblasts replace bone material

b.

Osteoclasts remove debris → osteocytes form haversian canals → hematoma forms → callus forms

c.

Callus forms → hematoma forms → osteoclasts remove fragments → osteoblasts replace bone material

d.

Callus forms → osteoclasts remove debris → hematoma forms → osteoblasts form haversian canals

e.

Hematoma forms → callus forms → osteocytes form haversian canals → osteoblasts replace bone material

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