ISC Class 12 Biology Solved Question Paper 2008

Short Answer Type

Advertisement
Zigya App

Enlist the basic modes of transmission of AIDS.

The basic modes of transmission are as follows :

(i) Transfusion of infected blood or blood products.

(ii) Use of contaminated needles and syringes to inject drugs or vaccines.

(iii) Use of contaminated razors.

(iv) Sexual intercourse with an infected person.

(v) Artificial insemination.

(vi) Organ transplant from an infected donor. 

195 Views
  • Switch
    • Advertisement
    Draw a labelled diagram of the longitudinal section of the human kidney. 
    276 Views
    Answer

    Give one function and one deficiency symptom of the following :

    Molybdenum

    103 Views
    Answer

    Give one function and one deficiency symptom of the following : 

    Magnesium

    277 Views
    Answer

    Give one function and one deficiency symptom of the following :

    Sulphur

    137 Views
    Answer
    Advertisement

    Define:

    (i) Reproductive Isolation

    (ii) Homologous Organs.

    295 Views
    Answer

    Define:

    (i) Peristalsis

    (ii) Multiple fruits

    282 Views
    Answer
    Explain the elongation of giraffe’s neck according to the theories of Lamarck and Darwin. 
    334 Views
    Answer
    Briefly describe the events that occur during the luteal phase of the menstrual cycle.
    155 Views
    Answer
    Advertisement

    Define the following:

    (i) Parthenocarpy
    (ii) Root Pressure.

    177 Views
    Answer