Science Biology MCQ-103

General Science-Biology Model Questions for JPSC, CivilsPrelims, UPSC, CDS, SSC, UPPSC, RBI, NDA Exams



Which of the following cell organelles play the most significant rule in protein synthesis

 
 
 
 

Assertion (A): Scientists can cut a part and paste together DNA molecules at will, regardless of the source of molecules.
Reason (R) : DNA fragments can be manipulated using restriction end nucleases and DNA legacy.

 
 
 
 

The cellular and molecular control of programmed cell death is known as

 
 
 
 

With reference to the latest developments in stem cell research consider the following statements

 
 
 
 

The term cell was first coined by

 
 
 
 

Plant cells are generally without

 
 
 
 

True nucleus is absent in

 
 
 
 

Which of the following is present both in plant and animal ?

 
 
 
 

In absence of ribosome in cell which of the following function does not takes place

 
 
 
 

The longest cell in human body is

 
 
 
 

Nuclear envelope is absent in

 
 
 
 

Nuclebid is present in

 
 
 
 

Cell theory was put forward by

 
 
 
 

Nucleus was discovered by

 
 
 
 

Which one of the following is known as power house of cell ?

 
 
 
 

Which one of following is largest cell organelles ?

 
 
 
 

The outermost covering of plant cell is

 
 
 
 

Net work of membranous irregular tubules found in cell cytoplasm is called

 
 
 
 

Site of protein synthesis in a cell is

 
 
 
 

Which of the following organelles found only in plant cell?

 
 
 
 

Site of cellular respiration is

 
 
 
 

Leucoplast found in mainly

 
 
 
 

Attractive colour of flower and seed is due to

 
 
 
 

Green colour of leaves is due to

 
 
 
 

Sucidal bag of cell is