Cell-the unit of life practice · Medium

Select the odd one w.r.t cell organelles and their functions.

Plant and animal cells, both have

Term basal body is associated with the development of

Primary wall of eukaryotic cell is …A… layered but secondary wall is …B… layered
Here, A and B refer to

Cell is the fundamental structural and functional unit of all living organisms. This was evidenced by the fact that

Assertion: On the position of centromere the
shape of chromosomes is based.

Reason: The chromosome bends in the region
of centromere during anaphase.

A cell’s division time is 1 minute. In 20 minutes, a culture tube is 1/8th filled with cells. When the tube will be fully filled?

Which of the following statements are correct about prokaryotic genetic material (DNA)?
I. DNA is naked, that is without histones
II. DNA is usually circular/single chromosome
III. Outside the genomic DNA, small circular DNA is also present in many bacteria
IV. The smallest DNA are called plasmids

Pits are formed on the cell wall is due to lack of

Find the incorrect pair w.r.t membrane transport

Prokaryotic cells are generally….. and multiply more rapidly than the eukaryotic cells

Cell membrane controls

Wall of eukaryotic cell (fungus) is made up of a polymer of

Difference between prokaryote and eukaryote is in

Vital stains are employed to study

Unicellular organisms are

Observe the following functions of the cell.

• Synthesis of protein and enzymes

• Synthesis of lipids

• Synthesis on Glycolipids

• Enzymes optimally active in acidic pH.

Arrange the given cell organelles with their respective functions,

(A) Golgi apparatus

(B) Rough endoplasmic reticulum

(C) Smooth Endoplasmic reticulum

(D) Lysosome

(E) Ribosome

(F)Mitochondria

Options:

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

A. All secondary constrictions are stainable

R. Plasmasomes are produced by primary constrictions of the chromsomes

Which of the following is the odd one out?

In eukaryotes, photosynthesis occurs in

Robert Hooke developed a microscope with which he studied the internal structures of the cell. His work is famous for the study of

Structural lipids of cell membrane are

Centrosome is not present in

Membrane less cell organelle common to both prokaryotes and eukaryotes is

I. It is the extension of plasma membrane into the cytoplasm
II. It helps in cell wall formation, DNA replication, respiration, secretion processes, increases the surface area of plasma membrane and enzymatic contents. It also helps in cytokinesis
III. It I the characteristic of bacterial cells
The above features are attributed to bacteria

Which of the following is not a characteristic of prokaryotic cells?

In prokaryotes, genetic material is

In submetacentric chromosome

Read the following statements and identify the correct option given.
I. In prokaryotic cell, the nuclear membrane, chloroplast, mitochondria,
microtubules and different kinds of pili are absent.
II. In eukaryotic cell, the nuclear membrane, chloroplast, mitochondria and pili are present.
III. In prokaryotic cell, the ribosome is of 70 S type and in mitochondria of
eukaryotic animal cell, the ribosome is 80 S type