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WBJEE Biology Previous Year (2009) - JEE MCQ


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30 Questions MCQ Test WBJEE Sample Papers, Section Wise & Full Mock Tests 2025 - WBJEE Biology Previous Year (2009)

WBJEE Biology Previous Year (2009) for JEE 2024 is part of WBJEE Sample Papers, Section Wise & Full Mock Tests 2025 preparation. The WBJEE Biology Previous Year (2009) questions and answers have been prepared according to the JEE exam syllabus.The WBJEE Biology Previous Year (2009) MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for WBJEE Biology Previous Year (2009) below.
Solutions of WBJEE Biology Previous Year (2009) questions in English are available as part of our WBJEE Sample Papers, Section Wise & Full Mock Tests 2025 for JEE & WBJEE Biology Previous Year (2009) solutions in Hindi for WBJEE Sample Papers, Section Wise & Full Mock Tests 2025 course. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free. Attempt WBJEE Biology Previous Year (2009) | 80 questions in 160 minutes | Mock test for JEE preparation | Free important questions MCQ to study WBJEE Sample Papers, Section Wise & Full Mock Tests 2025 for JEE Exam | Download free PDF with solutions
WBJEE Biology Previous Year (2009) - Question 1
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The length of DNA hgaving 23 base pair is

Detailed Solution for WBJEE Biology Previous Year (2009) - Question 1

Distance between adjacent base pairs = 3.4Å

WBJEE Biology Previous Year (2009) - Question 2
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Which Ig is produced in primary immune response?

Detailed Solution for WBJEE Biology Previous Year (2009) - Question 2

IgM is produced in primary response to the given antigen

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WBJEE Biology Previous Year (2009) - Question 3
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The average diameter of Red Blood Corpuscles of man is

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The average diameter of RBC of man is 7.2 µ m

WBJEE Biology Previous Year (2009) - Question 4
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FAD is electron acceptor during oxidation of which of the following?
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FAD is electron acceptor during oxidation of succinic acid to fumaric acid

WBJEE Biology Previous Year (2009) - Question 5
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The chemical nature of hormones secreted by α & δ cells of pancreas is –
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Hormones produced by α cells (glucagon) and β cells (somatostatin) are polypeptide

WBJEE Biology Previous Year (2009) - Question 6
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The genetic material of Rabies virus is
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The genetic material of Rabies virus is ss RNA

WBJEE Biology Previous Year (2009) - Question 7
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T-lymphocyte is produced in
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T-lymphocyte are produced in bone marrow but mature in thymus

WBJEE Biology Previous Year (2009) - Question 8
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How many ATP molecules are obtained from fermentation of 1 molecule of glucose?
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Two molecules of ATP are produced by fermentation of one molecule of glucose

WBJEE Biology Previous Year (2009) - Question 9
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Number of nitrogenous bases in a Codon is
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Three nitrogenous bases are found in a codon.

WBJEE Biology Previous Year (2009) - Question 10
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A character which is expressed in a hybrid is called
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Dominant gene is expressed in a hybrid

WBJEE Biology Previous Year (2009) - Question 11
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In which stage of cell division chromosomes are most condensed?
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Chromosome is most condensed in metaphase

WBJEE Biology Previous Year (2009) - Question 12
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Which of the following is correct
Detailed Solution for WBJEE Biology Previous Year (2009) - Question 12

Down’s syndrome is trisomy of 21st chromosome

WBJEE Biology Previous Year (2009) - Question 13
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Genetically engineered bacteria are being employed for production of
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Human insulin is now being produced by genetically engineered bacteria (E.coli). This insulin is called Humulin

WBJEE Biology Previous Year (2009) - Question 14
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Scientific name of sunflower is
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Helianthus annuus is sunflower

WBJEE Biology Previous Year (2009) - Question 15
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By which of the following methods, new and better varieties of plants can be formed?
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Better variety of plant can be formed by hybridisation followed by selection.

WBJEE Biology Previous Year (2009) - Question 16
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Which one is product of aerobic respiration?
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Malic acid is product of aerobic respiration

WBJEE Biology Previous Year (2009) - Question 17
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CO2 acceptor in C3 cycle is
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RUBP (Ribulose 1.5. biphosphate) is CO2 acceptor in C3 plant

WBJEE Biology Previous Year (2009) - Question 18
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Virus was discovered by whom?
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Ivanowsky discovered virus

WBJEE Biology Previous Year (2009) - Question 19
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Electron microscope is based on principle of
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Electrton microscope is based on principle of electromagnetic theory

WBJEE Biology Previous Year (2009) - Question 20
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Citric acid cycle is the alternate name of which of the following?
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Citric acid cycle or Krebs’cycle or Tricarboxylic acid cycle is alternative names

WBJEE Biology Previous Year (2009) - Question 21
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Vascular tissue in higher plants develop from which of the following :
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Procambium forms vascular tissue in higher plants

WBJEE Biology Previous Year (2009) - Question 22
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Which element is cause of etai etai disease
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Etai etia is caused by Cd

WBJEE Biology Previous Year (2009) - Question 23
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Chromosomes can be stained with one of the following chemicals
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Acetocarmine is used to stain chromosome

WBJEE Biology Previous Year (2009) - Question 24
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Which one of the following is the American Poultry breed
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Rhod island Red is the American Poultry Breed

WBJEE Biology Previous Year (2009) - Question 25
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Which part of the human brain is largest :
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Cerebrum is the largest part of brain

WBJEE Biology Previous Year (2009) - Question 26
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When the other floral parts are arranged at the base of the gynoecium, the flower is called :
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Hypogynous flower/Superior ovary

WBJEE Biology Previous Year (2009) - Question 27
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In a CAM plant the concentration of organic acid :
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In a CAM plant the concentration of organic acid increases during night

WBJEE Biology Previous Year (2009) - Question 28
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Protein coat of virus is known as :
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Protein coat of virus is called capsid

WBJEE Biology Previous Year (2009) - Question 29
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Net yield of aerobic respiration during Krebs’ cycle per glucose molecule is :
Detailed Solution for WBJEE Biology Previous Year (2009) - Question 29

Net yield of 2ATP for two Krebs’ cycle (1 glucose molecule) is produced at SLP

WBJEE Biology Previous Year (2009) - Question 30
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Feedback inhibition of enzymes is affected by which of the following
Detailed Solution for WBJEE Biology Previous Year (2009) - Question 30

Feedback inhibition is affected by end products

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