IMPORTANT QUESTIONS

1. Q321 Blood and bones consists of which type of fissue.

   • (a)Epithelial tissue
   • (b)Connective tissue
   • (c)Muscular tissu
   • (d)Nervous tissue.

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2. Q322 The self linking properties of Carbon to form long chains with other carbon atoms is called

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3. Q323 An electrolytic cell consists of -

   • (i)positively charged cathod
   • (ii)negatively charged cathod
   • (iii)positively charged anode
   • (iv) none

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4. Q324 With increasing distance from the equator,the growing season of plants generally (a) Increases (b) Decreases (c) Remains Same (d) None

   • (a)Increases
   • (b)Decreases
   • (c)Remains Same
   • (d)None

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5. Q325 The trachea is prevented from collapsing by_______around it.

   • (1)bony rings
   • (2)complete cartilaginous ring
   • (3)incomplete cartilaginous ring
   • (4)both 1 and 2

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6. Q326 Anhydrous sodium commonly called carbonate is called

   • (1)baking soda
   • (2)washing soda
   • (3)soda lime
   • (4)soda ash

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7. Q327 Complete the following reactions: (a)Zn + H₂SO₄ ____→ X + y (b)Mg +0₂ ____→ X (c)NaOH + HCl ____→ X + Y

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8. Q328 Plasmolysis occurs due to

   • (a)Osmosis
   • (b)Diffusion
   • (c)Exosmosis
   • (d)Endosmosis

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9. Q329 Which of the following is a plant hormone?

   • (a)Insulin
   • (b)Thyroxin
   • (c)Oestrogen
   • (d)Cytokinin

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10. Q330 Respiration is a process in which

    • (a)Energy is stored in the form of ADP
    • (b)Energy is released and stored in the form of ATP
    • (c)Energy is used up
    • (d)Energy is not released at all.

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