(A) Phosphorus32
(B) Sulphur35
(C) Strontium90
(D) Calcium40
Answer:
The indicator of SO2 pollution of air is—
(A) Lichen
(B) Fern
(C) Black mould
(D) Moss
Answer:
The founder of cell theory was—
(A) Wolf
(B) Rudolf Virchow
(C) Myen, Von Moll and Raspail
(D) Schleiden and Schwann
Answer:
Fats in our body are formed when—
(A) There is little glycogen in the body
(B) Blood sugar level becomes constant
(C) Glycogen storage in liver and muscles is completed
(D) Intake of protein is high
Answer:
Liver performs several functions. One of these functions is—
(A) Histolysis
(B) Digestion of proteins
(C) Glycogenesis
(D) Maintaining salt balance
Answer:
Poison fangs of snakes are—
(A) Maxillary teeth
(B) Specialized structures
(C) Premaxillary teeth
(D) Vomerine teeth
Answer:
Wings of butterfly, bird and bat are—
(A) Homologous organs
(B) Analogous organs
(C) Unrelated organs
(D) Vestigeal organs
Answer:
‘Ozone Day’ is observed on—
(A) January, 30
(B) April, 21
(C) September, 16
(D) December, 5
Answer:
Which one of the following is the link between Annelida and Mollusca ?
(A) Archaeopteryx
(B) Peripatus
(C) Neopilina
(D) Coelacanth
Answer:
The heartbeat is regulated by—
(A) Pacemaker
(B) Vagus nerve
(C) Sympathetic nerve
(D) All of these
Answer: