6 th SCIENCE NEW BOOK : NUCLEUS / TNPSC, NEET, TNEB, TET, TRB & POLICE

6 th SCIENCE NEW BOOK : NUCLEUS

1) What are the different types of cells?

 

Prokaryotic and eukaryotic

 

2) Give an example for a cell with no nucleus?

 

Bacteria and Cyano Bacteria

 

3 give an example for a cell with A nucleus?

 

Plant cell and animal cell

 

4) Which one is the basic functional and structural organism of every organism?

 

Cell

 

5) Cells can be observed through which scientific special instrument?

 

Microscope

 

6) Who discovered the cell?

 

Robert Hooke

 

7) Robert Hooke published book name?

 

Micrographia

 

8) In which year micrographia books released?

 

1665

 

9) The branch of science that deals with the cell is called?

 

Cell biology

 

10) What is the size of bacterial cell?

 

0.01    micro meter to 0.5 micro meter

 

11) The ostrich egg Cell size is?

 

170 millimetre width

 

12) Give an example for unicellular organism?

 

Chlamydomonas

 

13) Give an example for Multi cellular organism?

 

Spirogyra

 

14) Approximately number of cells in human body is?

 

3.7*10¹³

 

15) Which cell was the first form of life in the world?

 

Prokaryotic cells

 

16) The diameter of prokaryotic cell ranges from?

 

0.003 to 2.0 micrometer

 

17) In onion peel the shape of the cell when observed through microscope is?

 

Rectangular

 

18) The diameter of eukaryotic cell ranges from?

 

10 to 100 million micron

 

19) In which cell nucleoli is absent?

 

Prokaryotic

 

20) Plant cell has chloroplast which contain?

 

Chlorophyll

 

21) Plant cells are generally smaller than animal cells. True or false?

 

False

 

22) Which cell component surround and protect the cell?

 

Cell wall

 

23) What is the special name of cell wall?

 

Supporter and protector 

 

24) Which cell component controls the movement of materials in and out of the cell?

 

Cell membrane 

 

25) Which cell component is known as the gate of the cell?

Cell membrane

 

26) Which cell component known as the power house of the cell?

 

Mitochondria

 

27) What is the special feature of chloroplast?

 

Food producers of the cell

 

28) Which cell component is known as the storage tanks?

 

Vacuoles

 

29) Which cell component acts as the brain of the cell?

 

Nucleus

 

30) The special name of nucleus membrane is?

 

Gate of the Nucleus.