Monday, December 13, 2010

Nuclear membrane is absent in

Q. Nuclear membrane is absent in
  1 Prokaryotes
  2 Eukaryotes
  3 Protozoans
  4 All of the above
  Ans:1
Q. A prokaryote is
  1 A single-celled organism
  2 A hard and stony fruit
  3 An organism lacking membrane bound nucleus in its cells
  4 The most primitive multicellular organism
  Ans:3
Q. The cells that make up neurilemma in nerve tissue are
  1 Epithelial cells
  2 Connective tissue
  3 Schwann cells
  4 Erythrocytes
  Ans:3
Q. The cell that is concerned with excretion and osmoregulation is
  1 Flame cell
  2 Chromatophores
  3 Nematoblast
  4 None of these
  Ans:1
Q. The cell that lacks a nucleus is
  1 Flame cell
  2 Spermatozoan
  3 Red blood corpuscles in man
  4 White blood corpuscles
  Ans:3
Q. Red pigment is formed in
  1 Nucleoplasm
  2 Mitochondria
  3 Choloroplasts
  4 Cell sap in vacuoles of the leaf
  Ans:4
Q. Granum is a component of
  1 Chloroplasts
  2 Golgi apparatus
  3 Ribosomes
  4 Starch grains
  Ans:1
Q. The primary energy for living organisms is
  1 Solar energy
  2 Chemical energy
  3 ATP
  4 Mitochondria
  Ans:1
Q. Acrosome in a sperm is secreted by
  1 Endoplasmic reticulum
  2 Mitochondria
  3 Golgi bodies
  4 Centrioles
  Ans:3
Q. In the plant cells golgi complex is scattered in the cytoplasm in the form of small vesicles called
  1 Lysosomes
  2 Oxysomes
  3 Dictyosomes
  4 Ribosomes
  Ans:3

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