B. White blood cells    2. Erythrocytes
    C. Platelets            3. Thrombocytes
         A        B         C
    (a)  3        1         2
    (b)  2        1         3
    (c)  2        3         1
    (d)  1        2         3
Ans: (b)
32. Desert plants would be characterised by:
    (a) vivipary
    (b) aerenchyma
    (c) aerial roots
    (d) sunken stomata
Ans: (d)
33. Flower colours are due to: [CDS 1990]
    (a) chlorophyll
    (b) melanin
    (c) phytochrbmes
    (d) anthocyanins
Ans: (d)
34. Which of the following combinations are incorrect?
         1) Asthma – Lung
         2) Influenza – Respiratory tract
         3) Rickets – Pancreas
         4) Malarla – Spleen
    (a) 1 and 2
    (b) 1 and 3
    (c) 2 and 4
    (d) 3 and 4
Ans: (d)
35. Which of the following diseases is hereditary?
    (a) Dysentery
    (b) Tuberculosis
    (c) Haemophilia
    (d) Cancer
Ans: (c)
36. The sweetest sugar is :
    (a) sucrose
    (b) glucose
    (c) fructose
    (d) lactose
Ans: (c)
37. Which of the following statements are true in relation to transpiration and water movements in plants? [NDA 1994]
         1) Removing all the leaves from a plant will reduce the flow of water up the stem.
                                                             577