Biology Practice MCQ Page 9

Multiple Choice questions for Biology in the sets of 10 each on one page with questions and answers. All sets are useful in the preparation of subject tests for employment or admission.
Question: 1962   In plants which cells are concerned with transport of food?
  1. Phloem vessels.
  2. Xylem vessels.
  3. Vascular bundle.
  4. None of the above.
Question: 1964   Which plant cells give support to plant body?
  1. Phloem cells.
  2. Xylem cells.
  3. Sclerenchymatous cells.
  4. Parenchyma cells.
Question: 1965   In plants,which cells carry out photosynthesis?
  1. Chlorenchymatous.
  2. Sclerenchymatous.
  3. Paranchymatous.
  4. None of the above.
Question: 1967   In plants ,which of the following cells are used to store surplus food?
  1. Chlorenchymatous cells.
  2. Parenchymatous cells.
  3. Sclerenchymatous cells.
  4. Golgi bodies.
Question: 1970   The outermost layer in a plant cell is
  1. Cell wall.
  2. Cell membrane.
  3. Plasma membrane.
  4. Nuclear membrane.
Question: 1972   Chemically cell membrane is composed of closely associated molecules of
  1. Proteins.
  2. lipids.
  3. Carbohydrates.
  4. Proteins and lipids.
Question: 1973   What is the percentage of lipid molecules in the cell membrane?
  1. 20-40%.
  2. 40-60%.
  3. 60-80%.
  4. 80-100%.
Question: 1974   In cell membrane in addition to proteins and lipid there is a small of quantity of
  1. Fast.
  2. Carbohydrates.
  3. Cellulose.
  4. Mineral.
Question: 1976   It is the basic structure found in all membranes such as those of mitochonchondria and chloroplasts.
  1. Nuclear membrane.
  2. Unit membrane.
  3. Plasma membrane.
  4. Cell wall.
Question: 1978   Which molecules or ions cannot easily pass through membrane?
  1. CO2 molecules.
  2. Oxygen molecules.
  3. Sodium ions.
  4. Glucose.
Question: 1982   The movement of materials across the cell membrane with the help of biological energy provided by ATP is called
  1. Active Transport.
  2. Passive Transport.
  3. Endocytosis.
  4. Fractionation.
Question: 1984   It is the process in which the cell membrane helps to take in material by infolding in the form of vacuole.
  1. Fractionation.
  2. Endocytosis.
  3. Electrolysis.
  4. Active transport.