Which of the following is mismatched?
Vitamin K- Beriberi
Vitamin D-Rickets
Vitamin C - Scurvy
Vitamin A-Xerophthalmia
A.
Vitamin K- Beriberi
Beri-beri is caused by the deficiency of vitamin-B (thiamine). Vitamin-K is also known as antihaemorrhagic factor. The main sources of vitamin K are green leafy vegetables such as cauliflower, cabbage, spinach, etc. It is also found in animal sources like egg yolk, liver, etc. Vitamin K is essential for blood clotting and deficiency of it causes haemorrhage.
The diversity in the type of beaks of finches adapted to different feeding habits on the Galapagos islands, as observed by Darwin, provides evidence for
Origin of species by natural selection
Intraspecific Variations
Intraspecific competition
Interspecific competition
A woman with two genes (one on each X-chromosome) for haemophilia and one gene for colour blindness on the X-chromosome marries a normal man. How will the progeny be?
All sons and daughters are haemophilic and colourblind
Haemophilic and colourblind daughters
50% haemophilic colourblind sons and 50% haemophilic sons
50% haemophilic daughters and 50% colourblind daughters
Active immunity means
Resistance developed after disease
Increasing quantity of blood
Resistance developed before the disease
Increasing rate of heart beat
Secondary body cavity with segmented mesodermal lining is called
Haemocoel
Neurocoel
True Coelom
Pseudocoelom
The most important component of the oral contraceptive pills is
Progesterone
Growth hormone
Thyroxine
Luteinising hormone
Which important green-house gas, other than carbon dioxide, is being produced from the agricultural fields?
Arsine
Sulphur dioxide
Ammonia
Nitrous oxide
