Model past questions and answer (BIOLOGY 2022)
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Hi jambite, congratulations on the successful completion of your secondary school program.
Here in poscholars, we want to help you secure admission to that institution of your choice. To do
this, we have compiled 40 questions and answers for those of you that chose Biology among your
Jamb subject combination.
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You can study the 40 (forty) Jamb Biology past questions and answer for 2022 by checking
the content below or using the table of content below to navigate to the number of your choice
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Table of Contents
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Jamb Biology (2023) Questions and Answers 1 - 10
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1. Yellow Fever is caused by _____
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(a) Tsetse fly
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(b) Female mosquito
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(c) Blackfly
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(d) Virus
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The correct answer is: (d) Virus
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2. Bats and birds wings show _____
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(a) Divergent evolution
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(b) Convergent evolution
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(c) Adaptive radiation
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(d) Parallel evolution
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The correct answer is: (b) Convergent evolution
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3. Which blood type is large and nucleated?
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(a) Red blood cells
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(b) White blood cells
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(c) Platelets
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(d) Plasma
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The correct answer is: (b) Convergent evolution
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4. What part of the brain controls the heart beat?
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(a) Medulla oblongata
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(b) Cerebrum
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(c) Cerebellum
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(d) Olfactory lobe
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The correct answer is: (a) Medulla oblongata
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5. The supporting tissues which are essential for young plants is _____
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(a) Parenchyma
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(b) Colenchyma
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(c) Sclerenchyma
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(d) Xylem
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The correct answer is: (b) Colenchyma
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6. Which of the following distinguishes a plant cell from an animal cell?
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(a) Presence of mitochondria
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(b) Absence of cell wall
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(c) Presece of chloroplast
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(d) Absence of nucleus
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The correct answer is: (c) Presece of chloroplast
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7. Which of the following characteristics is used to produce disease resistant plant varieties?
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(a) Heredity
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(b) Variation
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(c) Evolution
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(d) Adaptation
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The correct answer is: (a) Heredity
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8. The shape of the ear is a type of _____
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(a) Continuous variation
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(b) Physiological variation
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(c) Discontinuous variation
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(d) None of the above
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The correct answer is: (a) Continuous variation
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9. Which of the following is the biggest game reserve in Nigeria?
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(a) Bauchi games reserve
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(b) Yankari games reserve
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(c) Benue games reserve
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(d) Yobe games reserve
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The correct answer is: (b) Yankari games reserve
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10. The association between shark and remora fish is ______
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(a) Commonsalism
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(b) Saprophitism
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(c) Parasitism
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(d) Mutualism
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The correct answer is: (d) Mutualism
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Jamb Biology (2023) Questions and Answers 11 - 20
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11. Intelligence, reasoning and memory is controlled by _____
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(a) Cerebrum
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(b) Cerebellum
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(c) Hypothalamus
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(d) Thalamus
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The correct answer is: (a) Cerebrum
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12. The part between epidermis and pericycle in a stem is _____
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(a) Cortex
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(b) Xylem
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(c) Cambium
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(d) None of the above
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The correct answer is: (a) Cortex
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13. Syphilis is caused by _____
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(a) Treponema pallidum
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(b) Bacillus anthracis
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(c) Neisseria gonorrheae
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(d) Virbo cholerae
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The correct answer is: (a) Treponema pallidum
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14. The spider is different from the prawn in the possession of _____
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(a) Anennae
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(b) Jointed appendages
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(c) Thorax
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(d) None of the above
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The correct answer is: (a) Anennae
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15. Which of the following soil samples is not water-logged and less aerated?
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(a) Anennae
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(b) Jointed appendages
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(c) Thorax
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(d) None of the above
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The correct answer is: (a) Anennae
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16. The male gamete in the plant is _____
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(a) Pollen grain
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(b) Anther
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(c) Stigma
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(d) Filament
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The correct answer is: (a) Pollen grain
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17. Which of the following is located at the base of the midbrain?
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(a) Pituitary gland
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(b) Thyroid gland
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(c) Pons
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(d) Cerebrum
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The correct answer is: (c) Pons
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18. Which of the following is a microdecomposer?
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(a) Mushroom
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(b) Earth-worm
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(c) Termite
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(d) Bacteria
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The correct answer is: (d) Bacteria
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19. When blood flows from the heart to the lungs and back to the heart, the circulation is _____
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(a) Double circulation
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(b) Pulmonary
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(c) Systemic
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(d) Single circulation
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The correct answer is: (b) Pulmonary20. The order of complete metamorphosis is _____
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(a) egg - pupa - larva - imago
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(b) egg - larva - pupa - imago
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(c) egg - nymph - adult
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(d) egg - larva -adult
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The correct answer is: (b) egg - larva - pupa - imag
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Jamb Biology (2023) Question and Answers 21 - 30
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21. In epigeal germination, the
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(a) Cotyledons are above the soil
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(b) Plumule is below the soil
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(c) Cotyledons are below the soil
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(d) None of the above
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The correct answer is: (a) Cotyledons are above the soil
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22. One of the following is associated with the estuarine habitat
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(a) Tides
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(b) More numerous organisms than freshwater
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(c) No plants
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(d) Stable salinity
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The correct answer is: (a) Tides
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23. The change in gentic makepu is known as _____
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(a) Mutation
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(b) Evolution
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(c) Variation
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(d) Genotype
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The correct answer is: (a) Mutation
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24. Organic evolution theory of natural selection was postulated by _____
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(a) Charles Darwin
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(b) Hugo de Vries
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(c) Jean Lamarck
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(d) Gregor Mendel
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The correct answer is: (a) Charles Darwin
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25. Which of the following are likely to inhabit a new habitat as pioneers
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(a) Moses and liverwort
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(b) Microorganisms
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(c) Algae and Fungi
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(d) Angiosperms and gymnosperms
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The correct answer is: (c) Algae and Fungi
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26. Which blood group lacks antigen
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(a) A
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(b) AB
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(c) O
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(d) B
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The correct answer is: (c) O
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27. The light shading of the ventral part in fish is _____
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(a) Countershading
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(b) Disruptive colouration
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(c) Cryptic colouration
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(d) Dangerous colouration
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The correct answer is: (a) Countershading
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28. The function of the mandibulate sodier termite is ______
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(a) Cleaning
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(b) Feeding
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(c) Defence
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(d) Mating
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The correct answer is: (c) Defence
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29. If a heterozygous tall plant crossed with a short plant, the ration of the tall plants to short plants in the first filial 1:1
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(a) 3:1
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(b) 1:3
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(c) 2:1
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(d) 1:1
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The correct answer is: (d) 1:1
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30. Which of the following have no nuclear membrane?
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(a) Monerans
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(b) Ferns
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(c) Mosesses
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(d) Thallophytes
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The correct answer is: (a) Monerans
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Jamb Biology (2023) Question and Answers 31 - 40
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31. The instrument that measures the speed of the wind is known as _____
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(a) Rain-guage
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(b) Windvane
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(c) Anemometer
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(d) Hygrometer
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The correct answer is: (a) Rain-guage
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32. The growth of algae as a result of phosphates in the water bodies is called _____
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(a) Eutrophication
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(b) Aetiolation
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(c) Shading
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(d) Emergence
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The correct answer is: (a) Eutrophication
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33. Nutrients are absorbed from the soil by _____
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(a) Xylem
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(b) Phloem
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(c) Cambium
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(d) Cork
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The correct answer is: (a) Xylem
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34. Which of the following provided surface for the attachments of protein?
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(a) Nucleus
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*(b) Golgi body
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(c) Lysosome
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(d) Endoplasmic reticulum
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The correct answer is: (d) Endoplasmic reticulum
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35. The following are classes under phylum arthropoda except _____
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(a) Crustacea
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*(b) Platyhelminthes
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(c) Insecta
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(d) Arachnida
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The correct answer is: (b) Platyhelminthes
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36. The function of trichocyst in paramecium is _____
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(a) Reproduction
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*(b) Feeding
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(c) Defence
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(d) Respiration
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The correct answer is: (c) Defence
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37. The ability to move the ears without moving the head is _____
(a) Physiological variation
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(b) Morphological
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(c) Continuous
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(d) None of the above
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The correct answer is: (a) Physiological variation
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38. The base of RNA has a pair _____
(a) Uracil and cytosine
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(b) Uracil and thymine
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(c) Uracil and adenine
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(d) Uracil and guanin
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The correct answer is: (c) Uracil and adenine
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39. The following are seedless except
(a) Ferns
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(b) Mosses
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(c) Algae
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(d) Gymnosperm
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The correct answer is: (d) Gymnosperm
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40. Which of the following uses flame cell as its organ of excretion?
(a) Flatworm
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(b) Earthworm
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(c) Insects
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(d) Fish
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The correct answer is: (a) Flatworm
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