Which of the following openings has cilia?
A) Nephridiopores B) Homeostasis C) Nephrostome D) None of these
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Bats and humming bird belong to:
A) Homeotherms B) Heterotherms C) Ectotherms D) None of these
Which is the most toxic?
A) Urea B) Uric acid C) Ammonia D) All of these
Rose is an example of:
A) Hydrophytes B) Xerophytes C) Mesophytes D) Halophytes
Which is a sentimentally arranged excretory system?
A) Malpighian tubes B) Metanephridium C) Nephrons D) None of these
Who proposed pressure flow theory?
A) Vander Wall B) Dixon C) Ernst Munch D) None of …
What percent of the cytoplasm of the red blood cells is the hemoglobin?
A) 80% B) 85% C) 90% D) 95%
What percent of total transpiration is stomatal transpiration?
A) 90% B) 92% C) 95% D) 97%
Pakistan has regained the membership how many UN bodies?
A) 2 B) 4 C) 1 D) 5
When Pakistan won cricket T20 world cup?
A) 2007 B) 2009 C) 2011 D) 2013