Cell Structure and Functions

Transition state structure of the substrate formed during an enzymatic reaction is:

Which one of the following is not considered as a part of the endomembrane system?

Which one of the following type of plastids does not contain stored food material?

What are those structures that appear as beads-on-string in the chromosomes when viewed under electron microscope?

Which one of the following structures is an organelle within an organelle?

The complex formed by a pair of synapsed homologous chromosomes is called

At metaphase, chromosomes are attached to the spindle fibres by their:

Which one of the following does not differ in E.coli and Chlamydomonas

The two sub-units of ribosome remain united a critical ion level of

During gamete formation, the enzyme recombinase participates during

Carrier ions like Na⁺ facilitate the absorption of substances like:

Important site for formation of glycoproteins and glycolipids is

Which one of the following is not a constituent of cell membrane?

Which one of the following structures between two adjacent cells is an effective transport pathway?

The main arena of various types of activities of  a cell is:

Which one of the most abundant protein in the animal world

The essential chemical components of many coenzymes are:

During mitosis ER and nucleolus begin to disappear at:

A competitive inhibitor of succinic dehydrogenase is

Cellulose is the major component of cell walls of

During meiosis I, the chromosomes start pairing at

Peptide synthesis inside a cell takes place in:

In mitochondria, proteins accumulate in the

Which one of the following has its own DNA?

Ribosomal RNA is actively synthesized in

A major site for synthesis of lipids is:

Middle lamella is composed mainly of:

Nuclear membrane is absent in

Cytoskeleton is made up of:

Synapsis occurs between:

About 98 percent of the mass of every living organism is composed of just six element including carbon, hydrogen, nitrogen, oxygen,

Given below is a sample of a portion of DNA strand. What is so special shown in it?
5′ – GAATTC – 3′
3′ – CTTAAG – 5′

During the metaphase stage of mitosis spindle fibres attach to chromosomes at

Select the correct statement from the following regarding cell membrane.

Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres?

Which one of the following biomolecules is correctly characterized?

Which one of the following cellular parts is correctly described?

Which one of the following statements about enzymes is wrong?

Stroma in the chloroplasts of higher plant contains:

Select the correct option with respect to mitosis.

Why is a capsule advatageous to a bacterium?

A phosphoglycerate is always made up of:

The plasma membrane consists mainly of:

The Golgicomplex plays a major role

The term ‘glycocalyx’ is used for

What is true about ribosomes

Macro molecule chitin is:

Vacuole in a plant cell

Plasmodesmata are:

Yeast cell can progress through the cell cycle in about

Why is a capsule advantages to a bacterium?

Who discovered the cell (actually the cell wall) in section of cork?

Which structures perform the function of mitochondria in bacteria?

Which statement is not true about prokaryotes?

Which phase comes in between the G₁ and G₂ phase of the cell cycle?

Which pair of structure are usually found in both plant and animal cells?

Which one of the following structures between two adjacent cells is an effective transport pathway?

Which one of the following organisms is not an example of eukaryotic cell?

Which one of the following organelles is responsible for storage, packaging and expulsions of cellular secretions?

Which one of the following organelles is mainly responsible for aerobic respiration and ATP synthesis?

Which one of the following organelles is involved increasing of plasma membrane?

Which one of the following is an exception to cell theory?

Which one of the following is a single membrane structure?

Which one of the following cell organelles does not contain DNA?

Which one of the following acts as a catalyst in bacterial cells?

Which one of the cell organalles is not enclosed by any membrane?

Which one is apparato reticolare?

Which one is a single membrane cell organelle?

Which of the following surrounds the vacuole?

Which of the following structures is not found in a prokaryotic cell?

Which of the following structures between two adjacent cells forms an effective transport pathway?

Which of the following structure regulates the entrance and exit of molecules into and out of the cytoplasm?

Which of the following statements is incorrect about G₀ phase?

Which of the following shows permeability?

Which of the following sets of cell organelles contains DNA?

Which of the following sentences is correct?

Which of the following process takes place in mitochondria?

Which of the following organelle is common between plant and animal?

Which of the following minerals needed for the activity of enzymes required for the synthesis of oligosaccharides and glycoproteins?

Which of the following is seen only in prokaryotic cells?

Which of the following is responsible for the mechanical support, protein synthesis and enzyme transport?

Which of the following is non-membranous cell organelle?

Which of the following is membrane less organelle?

Which of the following is known as power house of the cells?

Which of the following is correct for prokaryotic ribosome?

Which of the following is always absent in prokaryotic cells?

Which of the following is a single membrane structure?

The mineral present in cell wall is

The largest cell organelles in the cell are

The formation of chromatid takes place in

The enzyme used in the beverage industry to flavour soft drinks and in the baking industry to sweeten the biscuits and cakes is

The correct sequence of different phases of cell cycle is

The controlling centre of cell is

The chief component of the middle lamella in plant cell is

The checkpoint in cell cycle plays important role in

The centrosome duplicates during the

Shape of plant chloroplast is

Rough endoplasmic reticulum synthesises

Rough endoplasmic reticulum differs from smooth walled endoplasmic reticulum due to the presence of

Ribosomes are the centre for

Ribosome that occur exclusively in mitochondria is

Prokaryotic cells occur in

Prokaryotic cells lack

Prokaryotes have

Phagocytosis and pinocytosis are collectively termed as

Perinuclear space is a fluid space

Pectin is

Oxysomes of F₀ – F₁ particles occur on

Oxidative enzymes occur mostly in

Organalles important in spindle formation during nuclear division is

One of the most common enzyme found in peroxisome is

One of the chief functions of smooth endoplasmic reticulum is

One important component of cytoskeleton is

Number of thylakoids in a granum is

Nucleus was discovered by

Nucleic acid occurs in

Nuclear membrane is absent in

Names of Schleiden and Schwann are associated with

Most of the water, in mature plant cells, occurs chiefly in which of the following?

Most abundant lipid in cell membrane is

Mitochondria is the site for

Middle lamella of plant cell is made up of

Membrane of vacuole is called

Lysosomes are reservoirs (store house) of

Cell protein synthesis is carried out on

Cell organelles common in Monera and Protista is

Cell organelle associated with conversion of light energy to chemical energy is

Cell membrane is to ions

Cell membrane is made up of

Cell membrane controls

Cell division cannot be stopped in which phase of the cell cycle?

Cell cycle includes the sequence

Cell adhesion and cell recognition occurs due to biochemicals of cell membrane namely

Carrier ions like Na⁺ facilitates the absorption of substances like

Bulk of RNA is synthesized in a cell during

Bennedict’s reagent test is conducted to confirm the presence of

Axoneme having 9 + 2 doublet microtubule arrangement is found in

ATP is the energy currency of cell synthesized in