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88 :, 13. Fats are stored in human bodys, , (A) Cuboidal epithelium (B) Adipose assuc, , {C) Bones (D) Cartilage., 14. Bone matrix is rich in, , (A) Fluoride and calcium —(B) Calum and phosphorus, , (© Calcium and potassium (D) Phosphorus and porzsium., 15. Contractile proteins are found in, , (A) Bones (B) Blood, , (C) Musches (D) Cartilage., , 16. Voluntary muscles are found in, (A) Alimentary canal (B) Limbs, {D) Bronchi of lungs., , (C) Iris of the eye, , 17. Nervous tissue is not found in, (A) Brain {B) Spinal cord, (C} Tendons (D) Nerves,, , 18. Nerve cell does not contain, (A) Axon (B) Nerve endings ©, (C) Tendons (D) Dendrites, 19. Which of the following helps in repair of tissue and fills up, the space inside the organ ?, , (A) Tendon (B) Adipose tissue, (©) Areolar (D) Cartilage., , 20. The muscular tissue which functions throughoue the life, continuously without fatigue is, (A) Skelecal muscle {B) Cardiac muscle, © forae muscle (D) Voluntary muscle., , 21. Which of the following cells is in the cartilagi i, acted? lowing found in che cartilaginous tissue, (A) Mast cells (B) Basophils, (C) Osteacytes (D) Chondrocytes., , 22. The dead element present in the phloem is, (A) Companion cells (B) Phloem fibres, , ({C) Phlocm parenchyma (1D) Sieve tube., 23. Which of the following does nor lose nucleus at maturity ?, {A) Companion cells (B) Red blood cells, (© Vessel (D) Sieve tube cells., eins c. pepstmebetita aioe hd ed erate, , (A) Cuticle (B) Scomata, (© Lignin (D) Suberin., , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , DINESH Super Simp), , 25. A long tree has several branches. The tissue qh,, ways conduction of warer in the branches is, , (A) Collenchyma (B) Xylem: p;, (C) Parenchyma {D) Xylem y,, 26. If the tip of sugarcane plant is removed fr, then it keeps on growing in length. It is dite, (A) Cambium (B) Apical m,, (C) Lateral meristem (D) Intercala,, 27. Anail is inserted in the trunk of a tree ar a, from the ground level. After 3 years the nai], (A) Move downwards (B) Mow, (©) Remain at the same position (D), 28. Parenchyma cells are, (A) Relatively unspecialised and chin walle, (B) ‘Thick walled and specialised, , Aow, , , , (©) Lignified, (D) None of these., 29, Flexibility in plants is duc to, (A) Collenchyma (B) Sclerenc, (C) Parenchyma {D) Chloren, 30. Cork cells are made impervious to water anc, of, (A) Cellulose (B) Lipids, (© Suberin (D) Lignin, 31. Survival of plants in terrestrial environm, possible by the presence of, (A) Intercalary meristem (B) Cond, (©) Apical meristem (D) Parency, 32, Choose the wrong statement, (A) The nature of matrix differs according «, tissue, (B) Fats are stored below the skin and in |, ‘organs, , (C) Epithelial tissues have intercellul, , (A) Vessels, (©) Tracheids, , , , , , , , (EXPERIMENT To prepare nained temporary mount OF G) Onfon pec (D Haman chek, , (a) Onion Peel, 34. Onion peel/plant cell is commonly stained with, , , , , , , , , (A) Water, (C) Dilute glycerine, , (B} Safran, (D) Alcol, , 37, Staining is carried our to, , (A) Highlight cell components (B)_ Clean, {C) Increase transparency (D) reve, , a Coverslip is placed obliquely and slowly, material in order to prevent, , , , (A) Safranin {B) Fosine, (© Iodine (D) Methylene blue., (2010, 2012, 2015), 35. Safranin stains, (A) Vacuole (B) Cytoplasm ;, 36. Which is not ased ia ;reparation of stained temporary mount, of Union pee! 1 on, , (A) Overflow of mounting liquid

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Tissues, , 39., , 40., , 41., , 42., , 43., , 45., , (2011, 2012}, |. While preparing a temporary mount of Onion peel, glycerine, is used to, (A) Preserve them, (B) Make the organelle clearly visible, , (a) Appearance of air bubbles, , 4) Grashing of ‘macerial, , (D) Folding of material. (2011, 2013, 2015), tate cells ofan onion peel, the nucicus is seen on oneside of, the cell because of, , (A) Presence ofa large central vacuole, , {B) Presence of many large vacuoles, , {C) Presence of many smal} vacuoles, , @) Absence of vacuoles. (2010, 2012, 2013), In the cells of onion peel, the nucleus is seen, , (A) In the centre of the cell, , (B) In the corner of the cell, , (C) Near the plasasa membrane, , {D) On one side of the cell. (2010, 2011, 2052), Rahul was observing an Onion peel stained with safranin, under a microscope. The colour of che cell wall appeared, , (A) Deep blue (BY Black, (©) Pinkish red (D) Yellow. (2011, 2012), To ptepare a temporary stained mount af Onion peel, a, student must take the material from, , (A). Green leaf of spring Onion, , (B) Crushed pulp of Onion, , (©) Dry scale leaf of Onion, , {D) Thin layer of fleshy leaf base of Onion, (2011, 2012), On observing Onivn peel slide, the structures clearly seen, are, , (A) Call wall, cell membrane, nucleus, cytoplasm, , (B) Nucleus, cell membrane, vacuole, chromosames, , (©) Cell wall, cell membrane, nucleus, plastids, , (D) Cell wall, cell membrane, cytoplasm, mitochondria., , (C) Prevent the cells from dehydration/drying, {D) Disinfect the cells. (2011, 2012, 2013, 2015), , Identify the Onion calls from the diagrams, AL 4B), a (2011, 2012), On observing a freshly prepared slide of Onion peel under, the microscope, it was seen chat when the cells of one end, f focus and, , were focussed the cells of ocher end went our @, , 48,, , 49., , 51., , , , wer eraa The moe probable reason for this could be that, , 52., , 89, , (A) Peel is averstained, (B) Peel was not uniformly spread on the slide, (C) Uniform light was not coming through the diaphragen, (1D) Magnification of eye piece was very low., The correct method of obtaining an Onion peel is, (A) ‘Take the thinnest bit after meshing an Onion leaf, (B) Make thin sections of a thick scale leaf using 2 blade, (C) Use of forceps to pull out a thin transparent peel from a, , (2011, 2013), , concave surface of a scale leaf, , (0) Use a needle and forceps ta remave thin peel from conne, , surface of a scale leaf. (2011, 2012), , Raman prepared a temporary mount af Onion peel and observed, fr under + microscope. His teacher asked him co draw the, diagram. The correct diagram of the cells found in peel is, , , , ta) ®, (Or, (c), , (2012, 2013), Sita was preparing a mount of Onian peel for observation before, Seaining, Wha was the appearance of Onion peel at that tine, (A) Pink (B) Transparent, (C) Green {D) Red., To take out the peel from Onion for preparation of temporary, mount of it, we shoukd use, (A) Needle {B) Brush, (C) Porceps {D) Knife. (2012), After observing a temporary mount of Onion peel cells under, the microscope, the correct statement is, (A) Onion peel has closely arranged cells, without intercellular, spaces, (B) Arrangement of cells in Onion peel appears like beicks, arranged in a wall, (C) Boch Aand B, {D) None of the abowe. (2012), The precaution which is incorrect in an expetiment ro prepare, temporary mount of Onion peelis, {A) A folding of peel should be avoided, {B) Use of brush to transfer the peel from watch glass (0 side, (C) Remove extra water oF glycerine coming out of cover slip, with the help of another cover slip, , (D) While putting a cover slip, bubbles should be avoided., (2012), , (2012)