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Published on: 29/08/2019
Cell: The Unit of Life
Download CBSE Class 11th Standard CBSE Biology question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 11th Standard CBSE Biology
Questions + Answers key
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1.
Which pigment is responsible for the colour of carrot?
2.
What is the main function of smooth endoplasmic reticulum?
3.
Is cell wall permeable, semipermeable or impermeable?
4.
Give the term used for the stacks of thylakoids
5.
What is the significance of vacuole in a plant cell?
6.
Mension a single membrane bound organelle, which is rich in hydrolytic enzymes.
7.
Which type of endopasmic reticulum has its main functioning in the synthesis of lipid?
8.
Which layer is referred to as cementing layer and why?
9.
Where are extrinsic proteins found in the cell membrane?
10.
Which organelle is not found in plant cells?
Mitochondria
Plastids
Rough ER
Centriole
11.
Which of the following organisms have a prokaryotic cell?
Cyanobacteria
Algae
Fungi
Amoeba
12.
Which of the following is part of endomembrane system?
Mitochondria
Chloroplast
Chromosome
Vacuole
13.
Which of the following is not part of endomembrane system?
Endoplasmic Reticulum
Mitochondria
Lysosome
Golgi Body
14.
Which of the following scientists proposed the cell theory?
Robert Brown
Leeuwenhoek
Schleiden and Schwann
Schleiden, Schwann and Virchow
1.
Carotene.
2.
Lipid synthesis
3.
The plant cell wall is permeable because it allows both solvent and solute molecules to pass through it. On the other hand, cuticle layer is impermeable because it does not allow both the solvent and the solute particles to pass through it.
4.
The stack of thylakoids of chloroplast is called a granum.
5.
The vaculole in a plant cell helps to maintain osmotic pressure for turgitity and osmosis. It also stores useful as well as waste substance.
6.
Lysosome is a single membrane bound organelle that is rich in hydrolytic enzymes.
7.
Smooth Endoplasmic Reticulum (SER), helps in synthesis of lipid.
8.
Middle lamellae is referred to as cementing layer because it holds the primary cell wall of adjacent cells together.
9.
On the outer and inner surface of phospholipid matrix.
10.
(d)
Centriole
11.
(a)
Cyanobacteria
12.
(d)
Vacuole
13.
(b)
Mitochondria
14.
(d)
Schleiden, Schwann and Virchow
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