Cell The Unit Of Life Test

Cell The Unit Of Life

This is Cell The Unit Of Life Test-05 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Ribosome are granules formed of
  • A
    rRNA and protein
    Correct
  • B
    rRNA and tRNA
  • C
    mRNA and rRNA
  • D
    mRNA and protein
2
A clear zone around Golgi apparatus is zone of
  • A
    Exclusion
    Correct
  • B
    Inclusion
  • C
    Transition
  • D
    Separation
3
Largest organelles in cell is
  • A
    Golgi bodies
  • B
    Centrioles in animals and plastids in plant cell
  • C
    Lysosomes
  • D
    Mitochondria in animal cell and chloroplast in plant cell
    Correct
4
A cell membrane shows fluid behavior due to
  • A
    Presence of fluid protein
  • B
    Sandwich of protein between lipids layer
  • C
    Mosaic of lipid and proteins
    Correct
  • D
    Mosaic of fat and glucose
5
Structural element of chromatin is
  • A
    Histone
  • B
    Nucleosome
    Correct
  • C
    Amino acids
  • D
    Nuclear matrix
6
Two cell organelles in plant cell having own genetic material is called
  • A
    Golgi bodies and lysosomes
  • B
    Chloroplast and Golgi bodies
  • C
    Mitochondria and Chloroplast
    Correct
  • D
    Mitochondria and Golgi bodies
7
Longest cell in human body are
  • A
    Blood cells
  • B
    Nerve cells
    Correct
  • C
    Muscle cell
  • D
    Mast cells
8
Smallest free living organism are
  • A
    Viroids
  • B
    PPLOs
    Correct
  • C
    Virus
  • D
    Bacteria
9
The fluid filled vacuoles or vesicles which are separated from cytoplasm by a selectively permeable membrane called
  • A
    Tonoplast
    Correct
  • B
    Aquaplast
  • C
    Symplast
  • D
    Hydroplast
10
Which one is present nearest to plasmamembrane?
  • A
    Primary wall
  • B
    Middle lamella
  • C
    Secondary wall
    Correct
  • D
    Tonoplast
11
Ions connected with forming cross bridge is
  • A
    \({K^ + }\)
  • B
    \(N{a^ + }\)
  • C
    \(C{a^{2 + }}\)
    Correct
  • D
    \(M{g^{2 + }}\)
12
Joined area between adjacent cells are
  • A
    Intercellular gap
  • B
    Desmosome
    Correct
  • C
    Inter digitations
  • D
    Gap junctions
13
Which one is not a difference between Prokaryotic and Eukaryotic cell?
  • A
    Presence of membrane bounded organells
  • B
    Presence of nuclear membrane
  • C
    Presence of cell wall
    Correct
  • D
    Number of chromosomes
14
The inner membrane of mitochondria thrown into folds to form finger like structure is called
  • A
    Cristae
    Correct
  • B
    Inter membrane space
  • C
    Matrix
  • D
    Amyloplast
15
Who first saw and described a live cell?
  • A
    T. Schwann
  • B
    A.V.Leeuwenhoek
    Correct
  • C
    M. Schleiden
  • D
    R. Virchow