CBSE Class 11 Biology Cell The Unit of Life Worksheet Set A

Read and download free pdf of CBSE Class 11 Biology Cell The Unit of Life Worksheet Set A. Download printable Biology Class 11 Worksheets in pdf format, CBSE Class 11 Biology Chapter 8 Cell The Unit of Life Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Biology Class 11 Assignments and practice them daily to get better marks in tests and exams for Class 11. Free chapter wise worksheets with answers have been designed by Class 11 teachers as per latest examination pattern

Chapter 8 Cell The Unit of Life Biology Worksheet for Class 11

Class 11 Biology students should refer to the following printable worksheet in Pdf in Class 11. This test paper with questions and solutions for Class 11 Biology will be very useful for tests and exams and help you to score better marks

Class 11 Biology Chapter 8 Cell The Unit of Life Worksheet Pdf

MULTIPLE CHOICE QUESTIONS

Question. Cristae helps in 
(a) respiration
(b) photosynthesis
(c) transpiration
(d) guttation
Answer. A

Question. In nucleoplasm, a spherical body attached to a particular chromosome on a definite position is called 
(a) nucleolus
(b) karyolymph
(c) plasmid
(d) reticulum
Answer. A

Question. Rough E. R. differs from smooth E. R. due to the presence of
(a) DNA
(b) nucleus
(c) ribosome
(d) enzyme
Answer. C

Question. Electron microscope was invented by 
(a) Robert Hooke
(b) Knoll and Ruska
(c) Pasteur
(d) Schwann and Schleiden
Answer. B

Question. Double membrane structure of cell are 
(a) nucleus
(b) chloroplast
(c) mitochondria
(d) all of these
Answer. D

Question. Hydrolytic enzymes are found in 
(a) peroxisomes
(b) lysosomes
(c) lepdosomes
(d) lomasomes
Answer. B

Question. Chromosomes with equal arms are called
(a) metacentric
(b) telocentric
(c) acentric
(d) polycentric
Answer. A

Question. A prokaryotic cell lacks 
(a) true nucleus
(b) nuclear membrane
(c) membrane bound organelles
(d) all of the above
Answer. D

Question. Which of the following is a single membranous structure ? 
(a) Lysosome
(b) Nucleus
(c) Mitochondria
(d) Chloroplast
Answer. A

Question. In bacteria, site of respiration is 
(a) mesosome
(b) episome
(c) plasmid
(d) cytoplasm
Answer. A

Question. Which of the following organelle is related with photorespiration? 
(a) Peroxisome
(b) Nucleus
(c) Cell wall
(d) Lysosome
Answer. A

Question. Plasmodesmata connections help in 
(a) cytoplasmic streaming.
(b) synchronous mitotic divisions.
(c) locomotion of unicellular organisms.
(d) movement of substances between cells.
Answer. D

Question. What is common between chloroplasts, chromoplasts and leucoplasts? 
(a) Presence of pigments.
(b) Possession of thylakoids and grana.
(c) Storage of starch, proteins and lipids.
(d) Ability to multiply by a fission-like process.
Answer. A

Question. In prokaryotes, chromatophores are
(a) specialized granules responsible for colouration of cells.
(b) structures responsible for organizing the shape of the organism.
(c) inclusion bodies lying free inside the cells for carrying out various metabolic activities.
(d) internal membrane systems that may become extensive and complex in photosynthetic bacteria.
Answer. D

Question. Which of the following is responsible for the mechanical support, protein synthesis and enzyme transport? 
(a) Cell membrane
(b) Mitochondria
(c) Dictyosome
(d) Endoplasmic reticulum
Answer. D

Question. “Omnis-cellula-e-cellula” was given by
(a) Virchow
(b) Hooke
(c) Leeuwenhoek
(d) Brown
Answer. A

Question. Genes present in the cytoplasm of eukaryotic cells, are found in 
(a) mitochondria and inherited via egg cytoplasm
(b) lysosomes and peroxisomes
(c) Golgi bodies and' smooth endoplasmic reticulum
(d) plastids and inherited via male gamete
Answer. A

Question. What is common between chloroplasts, chromoplasts and leucoplasts ? 
(a) Presence of pigments.
(b) Possession of thylakoids and grana.
(c) Storage of starch, proteins and lipids.
(d) Ability to multiply by a fission-like process.
Answer. C

Question. Molecules that are too large to pass through the pores of a cell membrane may enter the cell by a process known as 
(a) hydrolysis
(b) pinocytosis
(c) cyclosis
(d) synthesis
Answer. B

Question.. Three morphological forms of golgi complex are
(a) Lamellae, tubules and vesicles 
(b) Cisternae, tubules and vesicles
(c) Cisternae, tubules and lamellae
(d) Granum, thalykoids and vesicles
Answer. B

Question. Choose the incorrect match 
(a) Nucleus — RNA
(b) Lysosome — Protein synthesis
(c) Mitochondria — Respiration
(d) Cytoskeleton — Microtubules
Answer. B

Question. Which of the following statements are correct ?
(i) In prokaryotic cells, a special membranous structure formed by the extension of the plasma membrane into the cell is known as polysome.
(ii) The smooth endoplasmic reticulum is the major site for synthesis of glycoproteins.
(iii) RuBisCO is the most abundant protein in the whole biosphere.
(iv) Mitochondria, chloroplasts and peroxisomes are not considered as part of endomembrane system. 
(a) (iii) and (iv)
(b) (i) and (ii)
(c) (ii) and (iii)
(d) (i) and (iv)
Answer. A


ASSERTION REASON QUESTIONS 

Directions  : Each of these questions contains an Assertion followed by Reason. Read them carefully and answer the question on the basis of following options. You have to select the one that best describes the two statements.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If both the Assertion and Reason are incorrect.

Question. Assertion : Lipids present in the outer and inner side of the bilayer membrane are commonly different.
Reason : Oligosaccharides are attached to external surface as well as inner surface of a biomembrane.
Answer. C

Question. Assertion : Mitochondria and chloroplasts are semi autonomous organelles.
Reason : They are formed by division of preexisting organelles as well as contain DNA but lack protein synthesizing machinery.
Answer. C

Question. Assertion : A cell membrane shows fluid behaviour.
Reason : A membrane is a mosaic or composite of diverse lipids and proteins.
Answer. A

Question. Assertion : Centrosomes and centrioles are related to each other.
Reason : Centrosome usually contains two cylindrical structures called centrioles
Answer. A


Very Short Answer
 
Question. Who discover the triple helical structure of collagen? 
Answer. G.N.Ramachandran discover the triple helical structure of collagen
 
Question. Who examined the cells in the plants? 
Answer. Matthias Schleiden examined the cells in the plants.
 
Question. Who described the live cell? 
Answer. Anton Von Leeuwenhoek described the live cell.
 
Question. Who formulated the cell theory? 
Answer. Schleiden and Schwann together formulated the cell theory.
 
Question. What is nucleus?
Answer. Each cell is a dense membrane with a bound structure is called nucleus.
 
 

Please click the link below to download CBSE Class 11 Biology Cell The Unit of Life Worksheet Set A

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