Question No:1
Nucleolus is absent in
(A) Bacteria
(B) Yeast
(C) Mammalian RBC
(D) (a) & (c)
Question No:2
Name the nucleic acid in nucleolar organizer which is involved in the synthesis of ribosomal RNA is
(A) m-DNA
(B) S-DNA
(C) n-DNA
(D) r-DNA
Question No:3
Number of centromeres present in acentric chromosome
(A) 2
(B) 3
(C) 2
(D) 0
Question No:4
Anthocyanins impart the following colours
(A) Blue
(B) Pink
(C) Violet
(D) All the above
Question No:5
Number of chromosomes found in the pollengrain of maize is
(A) 20
(B) 10
(C) 30
(D) 40
Question No:6
Lampbrush chromosomes are special type of chromosomes found in
(A) Salivary gland cells of dipterans
(B) Gonadal cells of reptiles
(C) Amphibian oocytes
(D) Brain cells
Question No:7
Shape of prokaryotic chromosome is
(A) Rod shape
(B) Circular
(C) L shape
(D) Sac like
Question No:8
Balbiani rings are the structural feature of
(A) Lampbrush chromosomes
(B) Polytene chromosomes
(C) Allosomes
(D) Autosomes
Question No:9
Mixing of paternal and maternal chromosomes is called
(A) Apospory
(B) Fertilization
(C) Apogamy
(D) Apomixis
Question No:10
The size of the largest chromosome in Trilium
(A) 42 microns
(B) 22 microns
(C) 52 microns
(D) 30 microns
Question No:11
Cell lineage (or) cell inheritance theory was proposed by
(A) Schleiden
(B) Schwann
(C) Rudolf Virchow
(D) (a) & (b)
Question No:12
Major cell wall material present in the cell wall of fungal cells is
(A) Cellulose
(B) Suberin
(C) Chitin
(D) Cutin
Question No:13
Wall layer of a typical plant cell composed by cellulose and xylan is
(A) Primary cell wall
(B) Secondary cell wall
(C) Tertiary cell wall
(D) All the above
Question No:14
Cell wall was first observed by
(A) Robert Brown
(B) Robert Hooke
(C) Schleiden
(D) Robert Hill
Question No:15
The cell structure consisting of trimorphic protein components is
(A) Cell wall
(B) Glycocalyx
(C) Cell membrane
(D) Middle lamellum
Question No:16
Physical property of cytosol is
(A) Tyndall’s effect
(B) Brownian movement
(C) Irriability
(D) (a) & (b)
Question No:17
The phase reversel property of cytoplasmic matrix induces
(A) Osmosis
(B) Plasmolysis
(C) Cyclosis
(D) Deplasmolysis
Question No:18
The structural components of endoplasmic reticulum are
(A) Cisternae
(B) Tubules
(C) Vesicles
(D) All the above
Question No:19
Leucoplast does not contain
(A) Chlorophylls
(B) Carotene
(C) Xanthophylls
(D) Anthocyanin
(A) Except D
(B) AB only
(C) BC only
(D) ABCD
Question No:20
The two subunits of ribosomes get associated in the presence of the following ion
(A) Mg+2
(B) Ca+2
(C) Fe+2
(D) Fe+3