Cell-the unit of life practice · Mixed difficulty

In prokaryotic cell,
I. enveloped genetic material is present
II. ribosomes are absent
III. an organised nucleus is absent
The correct option is

$In\mathrm{ }vitro$ synthesis of RNA and DNA was carried out first by

During DNA replication in prokaryotes, DNA is anchored to

Cell Theory was propounded in 1838 – 39 by

Select the right option which relates to Schwann regarding the following statement I. He reported that cells have a thin outer layer which is today known as plasma membrane II. Cell wall is a unique character of the plant cell III. Body of plants and animals are composed of cells and product of cells Choose the correct option from below

Cell wall consists of

Choose the incorrect about mitochondria

What is a genophore?

The shape of chromosome is determined by?

Select the wrong statement about prokaryotic cells.

Which of the given chromosomes appear L-shaped during anaphase?

Which of the following statements are correct? I. Human RBC is about 7.0 $\mathrm{\mu m}$ in diameter II. Cytoplasm is the main arena of cellular activities III. The shape of the cells may vary with the function they perform IV. Various chemical reactions occur in cytoplasm to keep the cell in the living state Choose the correct option

How many statements are not incorrect?

1) Schleiden gave the cell hypothesis

2) Golgi bodies are extensive and continuous with the outer membrane of the nucleus

3) Endomembranous system contains vacuoles

4) Peroxisomes coordinate with Golgi bodies

Beet root if kept in cold water anthocyanin does not come out due to plasma membrane which is

The small rounded knob like fragment in a chromosome lying beyond the secondary constriction is?

Read the following and choose the incorrect statement.

Cilia are

Based on the coordinated functions of cell organelles,
choose the odd one from the following options

Cell adhesion and cell recognition occur due to biochemicals of cell membrane named

The prokaryotic cell does not contain

Assertion (A): A cell membrane shows fluid behavior.

Reason (R): A membrane is a mosaic or composite of diverse lipids and proteins.

Choose the correct statements
(A) Polar molecules cannot pass through non polar lipid layer since they require carrier proteins.
(B) The plant cell vacuole plays role in osmoregulation.
(C) Golgi apparatus is the site of synthesis of proteins and glycolipids.
(D) Plasmid DNA shows resistance to antibiotics .
(E) On cell maturation, secondary wall is formed as deposition towards the outside the primary wall.

In animal cell, reserve food is usually

The common feature between chloroplast and mitochondria is

In protoplasm fat store in the form of:

Which of the following represents prokaryotic cells?

Cellulose, the most important constituent of plant cell wall is made up of

Which of the following is correct for middle lamella of eukaryotic cell?

Both the membranes of mitochondrion are

Correct sequence of layers of bacterial cell envelope is