physicscatalyst.com logo






Fundamental Unit of Life Short questions






Question 1: The largest cell in the human body is -
(a)Nerve cell
(b) Muscle cell
(c)Liver cell
(d)Kidney cell
Question 2. Name the Reticulum which has ribosome’s attached to it .
Question 3. Name a cell that does not have a nucleus, what are they called?
Question 4. What is Biogenisis?
Question 5  Who discovered Golgi Apparatus?
a) Camillo Golgi.
b) Robert Hooke
c) A.V. Leeuwenhoek
d) None of the above
Question 6 Name the cell organelle which is involved in the formation of lysosomes.
Question 7 What is the shape of Nucleus?
Question 8 What is Endosmosis?
Question 9  Who discovered Protoplasm?
Question 10. The word cell was derived from a Greek word  ----------  which means small room
Question 11. Name the person who first coined the term “Cell”
Question 12 . What will happen to a cell if its nucleus is removed?
Question 13. Give 5 examples of single celled organisms.
Question 14.  What are multicellular organisms ? Give an example.
Question 15 The cell organelle which is commonly referred as the suicidal bags of the cell.
Question 16.  What is the Study of structure and composition of cell is called ?
Question 17.  What are the chromosomes made up of?
Question 18  Which of the following cellular part possess a double membrane?
(a)Nucleus
(b) Chloroplast
(c)Mitochondrion
(d)All of the above
Question 19.  Karyotheca is another name of -
(a)Nuclear envelope
(b) Nucleus
(c)Nuclear pores
(d)Nucleolus
Question 20. Intercellular connections of plant cells are called -
(a)Middle lamella
(b)Micro fibrils
(c)Matrix
(d)Plasmodesmata
Solution
1) (a)
2) Rough Endoplasmic Reticulum
3) The cells that do not have a nucleus are called Enucleate Cells, Red Blood Cells (RBC) is a enucleate cell..
4) The production of proteins and lipids for producing membrane by the SER is known as Biogenises.
5) (a)
6) Golgi Aparatus.
7) Nucleus is roughly spherical in shape.
8) The passage (entry) of water from outside to inside of a cell is known as Endosmosis.
9) Felix Dujardin
10) Cellulae
11) Robert Hooke in 1665, first coined the term Cell.
12) With the passage of time, the cell will die as the nucleus which controls and coordinates all the functions of the cell is absent.
13) Paramecium, Amoeba, Chlamydomonas, Bacteria, Malarial Parasite
14) The organisms consisting of more than one (multiple) cells, where each cell performs a specialized function is known as Multicellular Organism. Example:- Animals, Plants, Fungi
15) Lysosomes.
16) Cytology
17) DNA & proteins
18) (d)
19) (a)
20 (d)
 

Go Back to Class 9 Maths Home page Go Back to Class 9 Science Home page