Cell: Unit of Life Test

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Cell: Unit of Life Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

Who first saw and described a live cell?

A
M. Schleiden

B
A.V. Leeuwenhoek

C
T. Schwann

D
R. Virchow

Solution

The first man to witness a live cell under a microscope was Anton van Leeuwenhoek, who in 1674 described the algae Spirogyra. Van Leeuwenhoek probably also saw bacteria.
Question 2
1 / -0

Which of the following cell organelles is/are associated with photorespiration?

A
Peroxisome

B
Glyoxysome

C
Mesosome

D
All of the above
Question 3
1 / -0

New cells generate from

A
Pre-existing cells

B
Abiotic materials

C
Regeneration of old cells

D
Embryo

Solution

All living organisms are composed of cells and products of cells.all cells arise from pre-existing cells.
Question 4
1 / -0

The in-foldings of the inner mitochondrial membrane are called

A
cristae

B
oxysomes

C
grana

D
cisternae
Question 5
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Chromosomes with equal arms are called

A
metacentric

B
telocentric

C
acentric

D
polycentric
Question 6
1 / -0

80% of the cell has:

A
water

B
minerals

C
protein

D
carbohydrates
Question 7
1 / -0

The role of the nucleus in regulating the phenotype of plant was discovered in

A
maize

B
Neurospora

C
Acetabularia

D
pea
Question 8
1 / -0

The 'fluid mosaic' model of cell membrane states that

A
a lipid bilayer has proteins embedded in itself and none on the surface

B
a lipid bilayer has some embedded proteins and some proteins on the surface

C
a lipid bilayer is coated by a layer of proteins on each face

D
a lipid bilayer is coated by a layer of proteins on the outer face only
Question 9
1 / -0

Which of the following organelles are associated with digestive enzymes?

A
Ribosomes

B
Lysosomes

C
Peroxisomes

D
Chromosomes
Question 10
1 / -0

Select the incorrect matching

A
Digestive enzyme – Lysosome

B
Thylakoid – chloroplast

C
Cristae --- Mitochondria

D
Chromosome—RNA

Solution

Mitochondria contain cristae, finger like projection of inner layer, thylakoid is present in chloroplast and lysosome is a digestive enzyme but RNA is absent in Chromosome.

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Cell: Unit of Life Test - 2

Result

Cell: Unit of Life Test - 2

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SHARING IS CARING

Question 1

M. Schleiden

A.V. Leeuwenhoek

T. Schwann

R. Virchow

Solution

Question 2

Peroxisome

Glyoxysome

Mesosome

All of the above

Question 3

Pre-existing cells

Abiotic materials

Regeneration of old cells

Embryo

Solution

Question 4

cristae

oxysomes

grana

cisternae

Question 5

metacentric

telocentric

acentric

polycentric

Question 6

water

minerals

protein

carbohydrates

Question 7

maize

Neurospora

Acetabularia

pea

Question 8

a lipid bilayer has proteins embedded in itself and none on the surface

a lipid bilayer has some embedded proteins and some proteins on the surface

a lipid bilayer is coated by a layer of proteins on each face

a lipid bilayer is coated by a layer of proteins on the outer face only

Question 9

Ribosomes

Lysosomes

Peroxisomes

Chromosomes

Question 10

Digestive enzyme – Lysosome

Thylakoid – chloroplast

Cristae --- Mitochondria

Chromosome—RNA

Solution

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