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CBSE Class 11 Biology Quiz | CBSE Class 11 Biology MCQs & Answers

Questions
81 Robert Hooke examined thin slices of cork made up of the bark of:
A Pine
B Sheesham
C Oak
D Mulberry

Answer: Oak
82 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: Low transport
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83 Nucleus in plant cells was discovered by:
A Dutrochet
B Robert Brown
C Robert Hooke
D Schleiden

Answer: Robert Hooke
84 Inside human body Plasmodium attacks:
A Nerve cells
B Red blood cells
C White blood cells
D Kidney cells

Answer: Red blood cells
85 Sexual reproduction of the malaria parasite occurs in :
A Man
B Mosquito
C Red blood cells
D None

Answer: Mosquito
86 In case of typical attack, malarial patient feels:
A Very cold and chilly
B Very Warm
C Sleepy
D Normal

Answer: Very cold and chilly
87 The entry of Plasmodium into the blood of Man was discovered by:
A A. F. A. King
B Laveran
C Ronald Ross
D Grassi

Answer: Laveran
88 People who slept outside in open spaces suffered from malaria more frequently than those who slept indoors, indicates that:
A Bad air is involved in the spread of Malaria
B Bacteria are involved in the spread of Malaria
C Mosquitoes are involved in the spread of Malaria
D Birds are involved in the spread of Malaria

Answer: Mosquitoes are involved in the spread of Malaria
89 Which of the following is involved in the spread of malaria ?
A Bacterium
B Bad Air
C Virus
D Mosquito

Answer: Mosquito
90 The statement made by a scientist, which may be the possible answer to the problem.
A Deduction
B Theory
C Hypothesis
D Law

Answer: Hypothesis
91 Pollution of our surroundings in the recent past has resulted because of:
A Rapid industrialization
B Biological Research
C Information Technology
D Forestation

Answer: Rapid industrialization
92 Anatomy deals with the study of:
A Relationship between organisms and their environment
B Development of an organism from a fertilized egg or zygote
C Structure and function of molecular components of the cell
D Internal organs of organisms

Answer: Internal organs of organisms
93 Taxonomy is the study of:
A Functions of different parts of organisms
B Naming and classification of organisms
C Hereditary characters
D Structure and functions of cells

Answer: Naming and classification of organisms
94 Man has been able to produce food in greater quantities due to advancement in:
A Mathematics
B Biology
C Physics
D Space Biology

Answer: Biology
95 It is the study of fossils and their relationship to the evolution of life on earth:
A embryology
B taxonomy
C physiology
D None of these

Answer: None of these
96 They are the remains or impressions of living organisms preserved in rocks:
A Fossils
B Statutes
C Tissues
D Calcium

Answer: Fossils

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