CBSE Class 11 Biology Quiz | CBSE Class 11 Biology Multiple Choice Questions(MCQs) with Answers

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Questions
61 Which of the following is polysaccharide:
A Glucose
B Glycogen
C Maltos
D Lactose

Answer: Glycogen
62 The most common monomer of carbohydrates is a molecule of :
A sucrose
B lactose
C maltose
D glucose

Answer: glucose
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63 It is the most abundant carbohydrate in nature:
A Sucrose
B Maltose
C Starch
D Cellulose

Answer: Cellulose
64 Amino acids (proteins) are present in the cell walls of:
A Bacteria
B Angiosperms
C Mosses
D Gymnosperms

Answer: Bacteria
65 They are absent in higher plants:
A Centrioles
B Plastids
C Cell Membranes
D Golgi Apparatus

Answer: Centrioles
66 Proteins are synthesized in the:
A Ribosomes
B Mitochondria
C Nucleus
D Nucleolus

Answer: Ribosomes
67 The 60S and 40S subunits on attachment with each other form:
A 100S particle
B 90S particle
C 80S particle
D 70S particle

Answer: 80S particle
68 Morphologically Endoplasmic Reticulum exists in:
A Four forms
B Three forms
C Two forms
D One form

Answer: Three forms
69 Smooth Endoplasmic Reticulum helps to:
A Synthesize proteins
B Detoxify the harmful drugs
C Prepare food
D Decompose proteins

Answer: Detoxify the harmful drugs
70 New Ribosomes are assembled in the :
A Nucleolus
B Mitochondria
C Endoplasmic Reticulum
D Golgi Apparatus

Answer: Nucleolus
71 The water percentage of cytosol in the cytoplasm is:
A 50
B 60
C 70
D 90

Answer: 90
72 It is a site of certain metabolic pathways:
A Cell wall
B Plasma membrane
C Cytoplasm
D A & B

Answer: Cytoplasm
73 It is the first to be formed:
A Primary wall
B Secondary wall
C Tertiary wall
D Middle lamella

Answer: Primary wall
74 It is a true cell wall in a newly growing cell:
A Primary wall
B Plasma membrane
C Secondary wall
D Middle lamella

Answer: Primary wall
75 Many substances that are not needed constantly enter the cell by:
A Passive transport
B Active transport
C Negative transport
D Fast transport

Answer: Active transport
76 Substances cross the cell membrane more easily when they are:
A Lipid soluble
B Water soluble
C Protein soluble
D Alcohol soluble

Answer: Lipid soluble
77 Parenchyma cells are concerned with:
A Secretion
B Support
C Carry Oxygen
D Storage of surplus food

Answer: Storage of surplus food
78 They provide support to the plant body:
A Phloem cells
B Parenchyma cells
C Sclerenchyma cells
D Chlorechyma cells

Answer: Sclerenchyma cells
79 Henri Dutrochet confirmed.
A Robert Brown observations on Nucleus
B Robert Hooke’s observations on Cells
C Schwann observations of cells
D Schleiden observations on cells

Answer: Robert Hooke’s observations on Cells
80 In thin slices of cork Robert Hooke noticed.
A Tiny creatures
B Small holes
C Small chambers
D Bacteria

Answer: Small chambers

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