The joint of radio-ulna with the upper arm is
hinge joint
pivot joint
socket joint
none of these
Abnormal growth of the tumor in cancer is due to
abnormal mitotic division
accumulation of body fluid
abnormal meiotic division
metastasis
The infective stage of Plasmodium is
sporozoite
merozoite
trophozoite
schizont
A.
sporozoite
Infective stage of Plasmodium is a sporozoite inoculated into human blood by female Anopheles. Sporozoite are produced due to gamogony (sexual cyclein the stomach of mosquito) followed by sporogony (asexual cycle in the stomach wall of mosquito) sporozoites are sickle or spindle-shaped.
When plants/animals are infected with virus, they may produce an anti-viral substance that is capable of inhibiting the multiplication of that virus. Identify the correct name ofthis substance
Virion
Antivirion
Antigen
Interferon
Match the tissues/molecules mentioned in column I with those of their degrading enzymes mentioned in column II and select the correct option from the given codes.
Column I Column II
A. Cell wall (i) Proteases
B. RNA (ii) Pectinases
C. Histone (iii) Ribonucleases
D. Pectin (iv) Cellulase
A-(iv), B-(iii), C-(i), D-(ii)
A-(ii), B-(i), C-(iv), D-(iii)
A-(i), B-(ii), C-(iii), D-(iv)
A-(iii), B-(iv), C-(ii), D-(i)