The 9+2 arrangement of microtubules is a characteristic feature of:
Centrioles
Ribosomes
Cilia and flagella
Microfilaments
Related Questions
The factors which set the limit of cell size or volume are
I. nucleo-cytoplasmic or kern-plasma ratio
II. rate of metabolic activity
III. ability of oxygen and other materials to reach every part of the cell
IV. ability of waste products to pass to the outside
V. ratio of surface area to the volume of the cell
Identify the correct set of statements
III and IV
I and II
Only V
I, II, III and IV
The two polynucleotide chains in DNA are
Parallel
Discontinuous
Antiparallel
Semi-conservative
Which of the given cell organelles do not contain DNA?
A. Mitochondria B. Chloroplast C. Golgi complex D. Lysosome
The correct ones are
A and B
C and D
A and C
B and D
Which of the given chromosomes appear L-shaped during anaphase?
Metacentric
Sub-metacentric
Acrocentric
Telocentric
In animal cell, reserve food is usually
Starch and fat
Only fat
Only starch
Glycogen and fat
Which of the following is NOT a characteristic of a eukaryotic cell?
Presence of a nucleus
Presence of membrane-bound organelles
Larger size compared to prokaryotic cells
Lack of membrane-bound organelles
Two animal cells are interconnected by
Plasmodesmata
Cell Wall
Desmosome
Plasma membrane
Which statement BEST describes the relationship between the nuclear envelope and the endoplasmic reticulum?
The nuclear envelope is entirely separate from the endoplasmic reticulum.
The inner membrane of the nuclear envelope is continuous with the smooth ER membrane.
The outer membrane of the nuclear envelope is continuous with the rough ER membrane.
The nuclear envelope is formed by invaginations of the Golgi apparatus.
Which of the following statements is INCORRECT regarding peroxisomes?
They are the primary site for protein synthesis.
They contain enzymes for lipid metabolism.
They play a role in detoxification of harmful substances.
They are membrane-bound organelles.
In eukaryotes, photosynthesis occurs in
Chloroplast
Stomatal opening
Bark
Roots
