Biology MCQ

Which of the following set of organelles contain DNA?

Mitochondria DNA is

Plasma membrane is

Cell Wall is present in

Plasma membrane is Fluid structure due to presence of

Cell Membrane is composed of

Growth of cell wall during cell elongation take place by ………….

Which of the following components provides sticky character to the bacterial cell?

Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?

Given below are cell organelles and their functions. Select the INCORRECT match.

Which of the following is true for nucleolus?

The Golgi complex participates in

The concept of “Omnis cellula – e- cellula” regarding cell division was first proposed by:

Microtubules are made up of protein.

During which stage of cell division chromosomes become distinct and can be clearly identified?

What is the normal chromosome number in humans?

In eukaryotic cells, the chromosomes are located in

The space between the two nuclear membranes is known as

Select the INCORRECT statement about ribosome.

_______ are green plastids containing green pigment chlorophyll.

Which organelle is surrounded by two membranes?

Tonoplast is a differentially permeable membrane surrounding the

Identify the INCORRECT statements from the following.
1. Lysosomal enzymes do not digest their own membrane proteins.
2. Accidental release of lysosomal enzymes in limited amount does not harm the cell because pH of cytosol is near neutral.
3. Any insufficiency in secretion of lysosomal enzymes leads to disorders e.g. in genetic disorder- Klinefelter syndrome.
iv. Due to insufficiency of protease brain gets impaired resulting from accumulation of fats.

Lysosomes are not helpful in

Golgi body is absent in

Due to presence of ________, endoplasmic reticulum is termed as rough endoplasmic reticulum.

The cytoplasmic connections from cell to cell are known as

A rigid, supportive and protective outer covering of plasma membrane of fungi is called

F-plasmid: Reproduction :: R-plasmid: ________

The ribosomes present in prokaryotic cells is of type.

Mesosonle is produced by the infoldings of

New cells generate from

Identify the CORRECT statements.
1. Nerve cells are the longest cells.
2. The concept ‘Omnis cellula-e-cellulla’ was explained by Rudolf Virchow.
3. The cell theory was proposed by Nicolson and Singer.

From the following identify the CORRECT range of size of the bacteria.

Which of the following is the smallest cell?