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Read the following statements and select...

Read the following statements and select the correct option
(i) Blood cells secrete fibres of structural proteins called collagen and elastin
(ii) Neuroglial cells protect and support the nephrons
(iii) Osteocytes are present in spaces called lacunae
(iv) Striated muscle fibres are bundled together in a parallel fashion
(v) Biceps are involuntary and striated.

A

Statements (iii) and (iv) are incorrect

B

Statement (ii) and (iv) are incorrect

C

Statement (i) and (iii) are incorrect

D

Statements (i), (ii) and (v) are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
D

The structural proteins collagen and elastin are present in white collagen fibres and yellow elastic fibres respectively, which are connective tissue fibres. Neuroglial cells are specialised cells found in the brain and spinal cord supporting the neurons and their fibres. The muscles of biceps are voluntary and striated.
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Read the following statements and select the correct option (A) Blood cells serete fibres of structural proteins called collagen or elastin (B) Neuoglial cells protect and support the nephrons (C) Osteocytes are present in spaces called lacunae (D) Striated muscle fibres are bundled together in a parallel fastion (E) Bieps are involuntary and striated.

Read the following statements and choose the correct option (A). Blood cells secrate fibres of structural proteins called collagen or elastin. (B) Neuroglial cells protect and support the nephrons. (C) Osteocytes are present in spaces called lacunae. (D) Striated muscle fibre are bundled togather in a parallel fashion. (E) Biseps are involuntry and striated

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Read the following statement and select the correct option Statement 1 : Cardiac muscle of the heart is striated and has intercalated discs between its fibres (cells) Statement 2 : It provides quick, powerful and rhythmic contractions to the heart.

Read the statements and choose the correct option 1.Neuroglial cells protect and support the neurons 2.Cartilage has a hard and nonpliable matrix rich in magnesium salts 3.Smooth muscles are striated 4.Chondrocytes are bone forming cells 5. Biceps are parallely bundled.

Consider the following four statements (i)-(iv) and select the correct option. (i) Actin is present in thin filament. (ii) H-zone of striated muscle fibre represents both thick and thin filaments. (iii) There are 11 pairs of ribs in man. (iv) Sternum is present on ventral side of the body.

Consider the following four statements (i)-(iv) and select the correct option (i) Fish heart contains only oxygenated blood (ii) Closure of A-V valves produces the second heart sound (iii) The vascular connection between the digestive track and kidney is called hepatic portal system (iv) Purkinje fibres are nerve fibres present in the heart wall.

Read the following statements and select the correct option w.r.t cell theory. (i) All living organisms are composed of cells and products of cells. (ii) Viruses are exception to cell theory because they are cellular particles. (iii) All cells arise from pre-existing cells. (iv) Activities of an organisms are the outcome of sum total of activities and interactions of its constituent cells. (v) Rudolf Virchow gave final shape to cell theory.

NCERT FINGERTIPS-STRUCTURAL ORGANISATION IN ANIMALS-Structural Organisation In Animals
  1. Cardiac muscle cells differ from striated muscle cells in having

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  2. Cardiac muscles are different from skeletal muscles as they are

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  3. Read the following statements and select the correct option (i) Bloo...

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  4. Which of the following cells do not form layer and remain structurally...

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  5. Nervous tissue is made up of neutrons and neutroglial cells. Which of ...

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  6. Nerve cell do not divide because they do not have

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  7. Earthworms have no skeleton but during burrowing, the anterior end bec...

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  8. Which of the following layers you will find in the body wall of earthw...

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  9. Pheretima and its close relatives derive nourishment from

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  10. Given is the figure of alimentary canal of earthworm. Select the optio...

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  11. Which part of the alimentary canal of earthworm (in the given figure) ...

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  12. One very special feature in the earthworm is that

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  13. Match column I with column II and select the correct option from the c...

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  14. Which of the following is absent in the coelomic fluid of earthworm ?

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  15. The lateral hearts in earthworm

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  16. Blood vessels in Pheretima, which have valves are

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  17. In Pheretima, there are red coloured round bodies in 4^(th),5^(th) and...

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  18. The figure showing nephridial system of earthworm is given here. Ident...

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  19. Which of the following statements is correct about excretion in earthw...

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  20. Primary function of enteronephric nephridia of Pheretima is

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