91. Stain for cell division
A
Saffranin
B
Aniline blue
C
PAS
D
Acetocrmine
Answer :
Acetocrmine
92. The site of meiosis in higher plants
A
Growth cells
B
Root tip cell
C
Stomatal cell
D
Spore mother cells
Answer :
Spore mother cells
93. Which type of chromosome will appear 'L' - shaped during Anaphase
A
Telocentric
B
Acrocentric
C
Metacentric
D
Submetacentric
Answer :
Submetacentric
94. Meiosis results in
A
Half number of chromosome
B
Same number of chromosome
C
Double number of chromosime
D
1/4 number of chromosome
Answer :
Half number of chromosome
95. Dissolution of the synaptonemal complex occurs during
A
Zygotene
B
Diplotene
C
Leptotene
D
Pachytene
Answer :
Diplotene
96. During mitosis number of chromosomes gets
A
Change
B
No change
C
May be change if cell is mature
D
May be change if cell is immature
Answer :
No change
97. Which organelle is not found in an animal cell
A
Peroxysome
B
Ribosome
C
Lysosome
D
None of the above
Answer :
None of the above
98.
A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics?
A
Late prophase - chromosomes move to spindle equator
B
Metaphase - spindle fibres attached to kinetochores, centromeres split and chromatids separate
C
Metaphase - chromosomes moved to spindle equator chromosomes made up of two sister chromatids
D
Anaphase - centromeres split and chromatids separate and start moving away
Answer :
Metaphase - chromosomes moved to spindle equator chromosomes made up of two sister chromatids
99. Condensation of chromosomes and appearance of astral rays occur during
A
Prophase
B
Metaphase
C
Anaphase
D
Telophase
Answer :
Prophase
100. Many cells function properly and divide mitiotically eney through they do not have
A
Plasma membrane
B
Cytoskeleton
C
Mitochondria
D
Plastids
Answer :
Plastids