Related Questions
Which of the following is correct for middle lamella of eukaryotic cell?
It is formed as a cell plate during cytokinesis
It is mainly consists of Ca-pectate
It holds different neighbouring cells together
All of the above
Which organelle is responsible for the modification and packaging of proteins synthesized by the ribosomes?
Lysosomes
Mitochondria
Golgi apparatus
Endoplasmic reticulum
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
Lysosomes are known as 'suicidal bags' because they contain:
Respiratory enzymes
Hydrolytic enzymes
Photosynthetic pigments
Hormones
Which of the following statements are correct for eukaryotic cells?
I. Two envelope organisation
II. The flagella if present, are 11 stranded with differentiation of axonema and sheath
III. Organised nucleus
IV. Cell wall without muramic acid
Choose the correct option
I and II
I and III
Only IV
I, II, III and IV
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 given chromosomes appear L-shaped during anaphase?
Metacentric chromosome
Sub-metacentric chromosome
Acrocentric chromosome
Telocentric chromosome
Which of the given chromosomes appear L-shaped during anaphase?
Metacentric
Sub-metacentric
Acrocentric
Telocentric
Which of the following is a function of the nucleolus?
DNA replication
Protein synthesis
Ribosome subunit assembly
Cellular respiration
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.