Class IX

Husk of coconut is made up of
  1. Sclerenchyma
  2. Collenchyma
  3. Chlorenchyma
  4. Parenchyma
Muscular tissue consists of elongated cells which is called ______?
  1. Muscle Fibres
  2. Proteins
  3. Blood
  4. None of these
Which of the following performs photosynthesis?
  1. Parenchyma
  2. Chlorenchyma
  3. Aerenchyma
  4. Collenchyma
Which of the following statments are True/False?(a)In amoeba a single cell carries out movement, intake of food and respiratory gases,respiration and excretion. (b)In human beings muscle cells contract and relax to cause movement.
  1. Only A
  2. Only B
  3. Both A and B
  4. None of these
Which of the following is not present in xylem?
  1. Tracheids
  2. Vessels
  3. Sieve tubes
  4. All are present in xylem
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