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The Fundamental Unit Of Life Class 9

Total questions: 20

Worksheet time: 8mins

Name
Class
Date
1.

Q1) ________ coined the term “cell.”

a)

Anton Von Leeuwenhoek

b)

Rudolph Virchow

c)

Robert Hooke

d)

Matthias Jakob Shcleiden

2.

Q2) An unripe green fruit changes colour when it ripens. The reason being :

a)

Chromoplasts changes to chlorophyll

b)

Chromoplasts changes to chromosomes

c)

Chromosomes changes to chromoplasts

d)

Chloroplast changes to chromoplasts

3.

Q3) Lysosomes are the reservoirs of :

a)

Fat

b)

ATP

c)

RNA

d)

Hydrolytic enzymes

4.

Q4) What refers to the process by which a cell uses its plasma membrane to engulf a large particle ?

a)

Pinocytosis

b)

Digestion

c)

Phagocytosis

d)

Glycolysis

5.

Q5) The process of the shrinkage of the protoplasm in the plant cell is called _______ , and it happens in which solution ?

a)

Exocytosis , Hypotonic

b)

Endocytosis , Hypertonic

c)

Plasmolysis , Hypotonic

d)

Endocytosis , Isotonic

e)

Plasmolysis , Hypertonic

6.

Q6) Camillo Golgi first discovered the Golgi Complex in the nerve cells of which animal ?

a)

Human

b)

Tiger

c)

Owl

d)

Elephant

7.

Q) Which segment in the nucleus is known as 'The hereditary vehicles'

a)

Genes

b)

RNA

c)

DNA

d)

Chromosomes

8.

Q8) Which cell organelle is common in both Monera and Protista ?

a)

Plastid

b)

Ribosome

c)

Microsome

d)

Lysosome

9.

Q9) What is the membrane surrounding the vacuole of a plant cell called ?

a)

Karyotheca

b)

Karyolymph

c)

Tonoplast

d)

Dictyosome

10.

Q10) As Centrioles are associated with spindle formation, they are mainly composed of which protein ?

a)

Glycosomic proteins

b)

Keratin

c)

Tubulin

d)

Actin

11.

Q11) Who coined the term 'protoplasm', which literally translates to ' the first thing formed' in Greek ?

a)

Thomas Huxley

b)

J. E. Purkinje

c)

Anton Von Leeuwenhoek

d)

N. Grew

12.

Q12) Robert Hooke published a book that contained some of the first physical descriptions of cell. What was the name of the book ?

a)

Opticks

b)

Systema Naturae

c)

Cellularism

d)

Micrographia

13.

Q13) If the largest animal cell is an Ostrich egg, then what is the largest plant cell ?

a)

Caulerpa

b)

Acetabularia

c)

Gymnosperm

d)

Dyadiscious cell

14.

Q14) Name the father of modern pathology, who coined ,'Omnis cellula e cellula' (all cells arise from pre-existing cells)

a)

Theador Schwann

b)

Robert Koch

c)

Rudolph Virchow

d)

Ernst Haeckal

15.

Q15) A cell without a cell wall is termed as a/an :-

a)

Protoplast

b)

Amyloplast

c)

Syphoplast

d)

Apoplast

16.

Q16) What is the undefined nuclear region of a prokaryotic cell called ?

a)

Nuclear pores

b)

Nucleoid

c)

Nucleolus

d)

Nucleoplasm

17.

Q17) The Krebs cycle (also known as Citric acid cycle) is a series of chemical reactions used by all aerobic organisms to release stored energy through oxidation. Where does it take place ?

a)

Cytoplasmic matrix

b)

Nucleolus

c)

SER

d)

Mitochondrial matrix

18.

Q18) Which cell organelle plays a crucial role in detoxifying many poisons and drugs ?

a)

Lysosomes

b)

RER

c)

SER

d)

Mitochondria

19.

Q19) The dark reaction (carbon-fixing reaction) takes place in which part of the chloroplast ?

a)

Stroma

b)

Lamellae

c)

Thylakoid

d)

Granum

20.

Q20) Which is the most abundantly found enzyme on Earth , constituting around 44% mass of every human being ?

a)

Amylase

b)

Peptide

c)

RuBisCo

d)

Pepsin