Paper Biology-11 Chapter:7-8 Total-Marks=50

Paper Biology-11 Chapter:7-8 Total-Marks=50

Paper Biology-11 Chapter:7-8  Total-Marks=50

Paper Biology-11 Chapter:7-8  Total-Marks=50


Q.1: Tick right option:

  1. Ecologically , important bio-indicator of air pollution are:
    1. Lichen
    2. Mycorrhizae
    3. Yeast
    4. Viruses
  2. Puccina species are most common.
    1. Spitting fungi
    2. Smut fungi
    3. Bracket fungi
    4. Rust fungi 
  3. Which one of the following is used for lowering blood cholesterol level.
    1. Griseofulvin
    2. Cyclosporine
    3. Penicillin
    4. Lovastatin 
  4. Mushrooms whose gills glow in the dark:
    1. Truffles
    2. Agaricus
    3. Omphalotus olearius
    4. Amanta verna 
  5. Fungi in their cell wall, contain:
    1. Pectin
    2. Chitin
    3. Lignin
    4. Cellulose
  6. Plants which contain mycorrhizal association are about:
    1. 10%
    2. 20%
    3. 90%
    4. 95%
  7. Sexual reproduction is uncommon in
    1. Ascomycetes
    2. Basidiomycetes
    3. Zygomycete
    4. Deuteromycetes
  8. Aspergillus produce carcinogenic mycotoxins called . . . . . . .
    1. Carcinotoxins
    2. Alphatoxins
    3. Aflatoxins
    4. Aspergotoxins
  9. Histoplasmosis is a serious infection of lungs caused by inhaling spores from:
    1. Rey flour
    2. Amphibians feces
    3. Birds feces
    4. Aflatoxins
  10. Which one of the following is diploid?
    1. Conidia
    2. Ascospores
    3. Basidiospores
    4. Zygospores

Q.2: Attempt the following questions: (Any 12) (2x12=24)

  1. How spores are different from conidia?
  2. Why rust & smut are called so?
  3. What do you know about nuclear mitosis?
  4. Explain parasexuality. In which group of fungi this met with?
  5. Write structures characteristics of penicillium.
  6. Compare ascus with basidium.
  7. Differentiate between plasmogamy & karyogamy.
  8. What is histoplasmosis & what is its cause?
  9. Write down two similarites between fungi & plants.
  10. What is ergotism? How is it caused?
  11. Name two poisonous mushrooms.
  12. What is the difference between obligate & facultative parasite. 

Q.3: Attempt the following long question: (ANY 02)

  1. (a) Give the beneficial importance of fungi.  4
    (b) What do you know about nutrition in fungi. 4
  2. (a) Draw & explain the life cycle of Rhizopus. 4
    (b) Describe land adaptations of fungi. 4

 

LIst of Best HTC SmartPhones

HTC Desire 12s