Refer to CBSE Class 11 Biology MCQs Set B provided below. CBSE Class 11 Biology MCQs with answers available in Pdf for free download. The MCQ Questions for Class 11 Biology with answers have been prepared as per the latest syllabus, CBSE books and examination pattern suggested in Class 11 by CBSE, NCERT and KVS. Multiple Choice Questions for All Chapters are an important part of exams for Class 11 Biology and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 11 Biology and also download more latest study material for all subjects
MCQ for Class 11 Biology All Chapters
Class 11 Biology students should refer to the following multiple-choice questions with answers for All Chapters in Class 11. These MCQ questions with answers for Class 11 Biology will come in exams and help you to score good marks
All Chapters MCQ Questions Class 11 Biology with Answers
CBSE Class 11 Biology MCQs Set B.CBSE and NCERT students can refer to the attached file. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. The study material available on our website for all CBSE classes and subjects have been prepared by teachers from all over the country. All study material has been carefully designed keeping into mind the latest CBSE examination trends.
Choose the most appropriate answer.
Question. Nucleus in plant cells was discovered by:
(a) Dutrochet
(b) Robert Brown
(c) Robert Hooke
(d) Schleiden
Answer : C
Question. The pushing out of materials by the cell against the concentration gradient is:
(a) Low transport
(b) Passive transport
(c) Active transport
(d) Moderate transport
Answer : C
Question. Robert Hooke examined thin slices of cork made up of the bark of:
(a) Pine
(b) Sheesham
(c) Oak
(d) Mulberry
Answer : C
Question. In thin slices of cork Robert Hooke noticed.
(a) Tiny creatures
(b) Small holes
(c) Small chambers
(d) Bacteria
Answer : C
Question. 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 : B
Question. They provide support to the plant body:
(a) Phloem cells
(b) Parenchyma cells
(c) Sclerenchyma cells
(d) Chlorechyma cells
Answer : C
Question. Parenchyma cells are concerned with:
(a) Secretion
(b) Support
(c) Carry Oxygen
(d) Storage of surplus food
Answer : D
Question. Substances cross the cell membrane more easily when they are:
(a) Water soluble
(b) Protein soluble
(c) Alcohol soluble
(d) Lipid soluble
Answer : D
Question. Many substances that are not needed constantly enter the cell by:
(a) Passive transport
(b) Active transport
(c) Negative transport
(d) Fast transport
Answer : B
Question. It is a true cell wall in a newly growing cell:
(a) Middle lamella
(b) Secondary wall
(c) Primary wall
(d) Plasma membrane
Answer : C
Question. It is the first to be formed:
(a) Primary wall
(b) Secondary wall
(c) Tertiary wall
(d) Middle lamella
Answer : A
Question. It is a site of certain metabolic pathways:
(a) Cell wall
(b) Plasma membrane
(c) Cytoplasm
(d) A & B
Answer : C
Question. The water percentage of cytosol in the cytoplasm is:
(a) 50
(b) 60
(c) 70
(d) 90
Answer : D
Question. New Ribosomes are assembled in the :
(a) Nucleolus
(b) Mitochondria
(c) Endoplasmic Reticulum
(d) Golgi Apparatus
Answer : A
Question. Smooth Endoplasmic Reticulum helps to:
(a) Synthesize proteins
(b) Detoxify the harmful drugs
(c) Prepare food
(d) Decompose proteins
Answer : B
Question. Morphologically Endoplasmic Reticulum exists in:
(a) Four forms
(b) Three forms
(c) Two forms
(d) One form
Answer : B
Question. The 60S and 40S subunits on attachment with each other form:
(a) 100S particle
(b) 90S particle
(c) 80S particle
(d) 70S particle
Answer : C
Question. Proteins are synthesized in the:
(a) Ribosomes
(b) Mitochondria
(c) Nucleus
(d) Nucleolus
Answer : A
Question. They are absent in higher plants:
(a) Plastids
(b) Golgi Apparatus
(c) Cell Membranes
(d) Centrioles
Answer : D
Question. Amino acids (proteins) are present in the cell walls of:
(a) Gymnosperms
(b) Bacteria
(c) Mosses
(d) Angiosperms
Answer : B
Question. Which of the following organelles is present in both prokaryotic and eukaryotic cells?
(a) Chloroplast
(b) Ribosomes
(c) Mitochondria
(d) Golgi Complex
Answer : B
Question. Which of the following features is not shared by prokaryotic and eukaryotic cells?
(a) Ribosome
(b) Cytoplasm
(c) Cell membrane
(d) Nuclear membrane
Answer : D
Question. Which of the following cell organelles is present in both plant and animal cells?
(a) Chlorophyll
(b) Plasma membrane
(c) Plastids
(d) Cell wall
Answer : B
Question. Which of the following pair is incorrect?
(a) Ribosome ______________Protein synthesis
(b) Chloroplast _____________Photosynthesis
(c) Mitochondria ____________Fermentation
(d) Plasma membrane___________Osmosis
Answer : C
Question. Which of the structures is not found in a prokaryotic cell?
(a) Plasma membrane
(b) Nuclear envelope
(c) Ribosome
(d) Cell wall
Answer : B
Question. How may membranes comprise the nuclear envelop?
(a) None
(b) One
(c) Two
(d) Three
Answer : C
Question. Which of the following molecules move regularly from the nucleus to the cytoplasm?
(a) Glycogen
(b) DNA
(c) RNA
(d) Cholesterol
Answer : C
Question. Which of the following cellular organelles extracts energy from glucose and forms ATP molecules:
(a) Lysosome
(b) Chloroplast
(c) Mitochondrion
(d) Chromoplast
Answer : C
Question. Lysosomes contain enzymes capable of:
(a) Aerobic cellular respiration
(b) Digesting part of the cell
(c) Synthesizing protein
(d) Synthesizing lipids
Answer : B
Question. Mitochondria are found:
(a) in all cells
(b) only in plant cells
(c) only in animal cells
(d) in all eukaryotic cells
Answer : D
Question. Green pigments capable of capturing the energy of sunlight are located within the:
(a) Golgi complex
(b) Endoplasmic complex
(c) Chloroplast
(d) Cell wall
Answer : C
Question. The two types of cellular organelles that transform energy are:
(a) Chromoplasts and leucoplast
(b) Mitochondria and chloroplast
(c) Mitochondria and Chromoplasts
(d) Chloroplasts and leucoplasts
Answer : B
Question. The plastids that give fruits and flowers their orange and yellow colours are the:
(a) leucoplasts
(b) chloroplasts
(c) Chromoplasts
(d) Proplasts
Answer : C
Question. The main function of the plasma membrane is to:
(a) synthesize ribosomes
(b) Control what goes into and out of the cell
(c) Allow all kinds of substances to enter the cell
(d) Move the cell from place to place
Answer : B
Question. Plant cells are connected by channels through their walls called:
(a) Plasmodesmata
(b) desmosomes
(c) middle lamella
(d) non of these
Answer : A
Question. In the fluid mosaic membrane model the lipid bilayer
(a) is sandwiched between two protein layers
(b) has protein embedded in it
(c) lies on top of a single protein layer
(d) is covered by a single protein layer
Answer : B
Question. An input of energy is required for which one of the following?
(a) diffusion
(b) osmosis
(c) passive transport
(d) active transport
Answer : D
Question. Which of the following cytoplamic organelles is not bounded by membrane:
(a) Mitochodrion
(b) Lysosome
(c) Ribosome
(d) Plastids
Answer : C
Question. Which of the following bodies is not bounded by a double membrane structure?
(a) mitochondrion
(b) chloroplast
(c) Lysosome
(d) Nucleus
Answer : C
Question. Which of the following cell organelles cause a decrease in the concentration of organic material in the cell?
(a) Golgi bodies
(b) Chloroplast
(c) Ribosome
(d) Mitochondrion
Answer : D
Question. Which of the following cell organelles is not involved in the sequence of events from synthesis of an enzyme to its excretion?
(a) Ribosome
(b) Lysosome
(c) Golgi apparatus
(d) Endoplasmic reticulum
Answer : B
Question. A lipid molecule in the plasma membrane has a head and two tails. The tails are found:
(a) At the surfaces of the membrane
(b) In the interior of the membrane
(c) Both at the surfaces and interior of the membrane
(d) None of these
Answer : B
Question. Which of the following organelles and their contents are incorrectly paired:
(a) Ribosome – RNA
(b) Mitochondrion – Chlorophyll
(c) Lysosome – digestive enzymes
(d) Nucleus – DNA
Answer : B
Question. Which of the following properties is incorrect for both mitochondria and chloroplast:
(a) Both have an electron transport system
(b) ATP synthesis
(c) Both are present in all cells
(d) Both are double membrane structures
Answer : C
Question. Which of the following cell organelles release oxygen:
(a) ribosome
(b) Golgi complex
(c) Mitochondria
(d) Chloroplast
Answer : D
Question. Active transport:
(a) requires a protein carrier
(b) moves a molecule against its concentration gradient
(c) requires a supply of energy
(d) all of these
Answer : D
Question. The nucleolus is largely composed of rRNA and
(a) lipid
(b) Glucose
(c) Wax
(d) Protein
Answer : D
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