Term II Model Question Paper

11th Standard

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Biology

Time : 02:30:00 Hrs
Total Marks : 70
    16 x 1 = 16
  1. Which one of the following statement about virus is correct?

    (a)

    Possess their own metabolic system

    (b)

    They are facultative parasites

    (c)

    They contain DNA or RNA

    (d)

    Enzymes are present

  2. The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be

    (a)

    7

    (b)

    14

    (c)

    42

    (d)

    28

  3. Gynoecium with united carpels is termed as

    (a)

    Apocarpous

    (b)

    Multicarpellary

    (c)

    Syncarpous

    (d)

    None of the above

  4. Sequences of which of the following is used to know the phylogeny

    (a)

    mRNA

    (b)

    rRNA

    (c)

    tRNA

    (d)

    Hn RNA

  5. If mitotic division is restricted in G1 phase of the cell cycle then the condition is known as

    (a)

    S Phase

    (b)

    G2 Phase

    (c)

    M Phase

    (d)

    Go Phase

  6. Proteins perform many physiological functions. For example some functions as enzymes. One of the following represents an additional function that some proteins discharge:

    (a)

    Antibiotics

    (b)

    Pigment conferring colour to skin

    (c)

    Pigments making colours of flowers

    (d)

    Hormones

  7. A group of organisms having similar traits of a rank is

    (a)

    Species

    (b)

    Taxon

    (c)

    Genus

    (d)

    Family

  8. Which of the following is not present on same rank?

    (a)

    Primata

    (b)

    Orthoptera

    (c)

    Diptera

    (d)

    Insecta

  9. In which of the following organisms, self fertilization is seen.

    (a)

    Fish

    (b)

    Round worm

    (c)

    Earthworm

    (d)

    Liver fluke

  10. The ciliated epithelium lines the

    (a)

    Skin

    (b)

    Digestive tract

    (c)

    Gall bladder

    (d)

    Trachea

  11. Choose the incorrect sentence from the following:

    (a)

    Bile juice emulsifies the fat.

    (b)

    Chyme is a digestive acidic food in the stomach.

    (c)

    Pancreatic juice converts lipid into fatty acid and glycerol.

    (d)

    Enterokinase stimulates the secretion of pancreatic juice.

  12. Breathing is controlled by

    (a)

    cerebrum

    (b)

    medulla oblongata

    (c)

    cerebellum

    (d)

    pons

  13. Which one of the following plasma proteins is involved in the coagulation of blood?

    (a)

    Globulin

    (b)

    Fibrinogen

    (c)

    Albumin

    (d)

    Serum amylase

  14. The end product of Ornithine cycle is

    (a)

    carbon dioxide

    (b)

    uric acid

    (c)

    urea

    (d)

    ammonia

  15. The bundle of muscle fibres is called

    (a)

    Myofibrils

    (b)

    fascicle

    (c)

    sarcomere

    (d)

    sarcoplasm

  16. Which part of the human brain is concerned with the regulation of body temperature?

    (a)

    Cerebellum

    (b)

    Cerebrum

    (c)

    Medulla oblongata

    (d)

    Hypothalamus

  17. 8 x 2 = 16
  18. What is plectostele? Give example.

  19. Why lateral roots are endogenous?

  20. State the protoplasm theory.

  21. Write any three significance of mitosis.

  22. Differentiate between probiotics and pathogenic bacteria

  23. List the features that all vertebrates show at some point in their development.

  24. What are earthworm casts?

  25. Distinguish between mitral valve and semi lunar valve.

  26. 6 x 3 = 18
  27. Explain the different types of placentation with example.

  28. Distinguish between prokaryotes and eukaryotes.

  29. List any five salient features of the family Felidae.

  30. What is lymph? Write its function.

  31. How is urea formed in the human body?

  32. Label the parts of the neuron.

  33. 4 x 5 = 20
  34. Explain the different types of fleshy fruit with suitable example.

  35. What is the difference between a Zoo and Wild Life Sanctuary

  36. Label the given diagram.

  37. What are the benefits of regular exercise?

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