What organ shuts down first?
The brain requires a constant supply of oxygen and it begins to die as soon as oxygen supply is cut... View Article
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Who was the first to classify animals?
Aristotle is the first documented individual to introduce a concept of classification of organisms. In his system of classification, all... View Article
Which macronutrient is burned first?
The body first burns carbohydrates, followed by fats and proteins. However, it only resorts to this when the body’s carbohydrate... View Article
Which comes first absorption or assimilation?
Absorption is described as the process that occurs when digested food passes into the blood vessels in the wall of... View Article
Who used the word protoplast for the first time for living cells?
The term protoplast was first used by J. E. Purkinje in 1839. It was used to describe the material of... View Article
Who was the first taxonomist?
Carl Linnaeus, a Swedish botanist, is considered to be the founder of the current system of classification. Register at BYJU’S... View Article
What is the first plant on earth?
Cooksonia is considered to be one of the earliest known vascular plants on earth, with fossils dating back 425 million... View Article
What is the first sign of hypoxia?
The first signs of hypoxia include confusion, restlessness, and anxiety. If the condition is left untreated, it can eventually reduce... View Article
Is yeast a bacteria or fungus?
Unlike bacteria, yeasts are eukaryotic. Hence, they cannot be classified as a bacteria and instead, belong to group fungi. Register... View Article
In Which Plant Group Did Stomata First Appear?
Evidence suggests that stomata first appeared in mosses and hornworts. Register at BYJU’S NEET to explore other fascinating concepts.
How Do You Feel After First Dialysis?
One of the most common side effects in people who undergo dialysis is fatigue. It can also contribute to low... View Article
Which is the first unequivocal indication for germination in a seed?
The first and most apparent sign of germination is observed when seeds become enlarged. Register at BYJU’S NEET to explore... View Article
Which class of chordates existed first on earth?
Pikaia gracilens was one of the earliest chordates discovered to date. Regarding its phylogenetic position, scientists are still unclear. In... View Article
Where do bryophytes grow?
Bryophytes are dependent on water for their life cycle. Hence, they are usually found in environments with water, such as... View Article
Which organ is responsible for producing bile?
Bile juice is produced in the liver. It is stored and concentrated in the gallbladder. Bile is released in the... View Article
Which organ secretes sodium bicarbonate to neutralize the acidity of chyme?
The pancreas secretes bicarbonates, which helps in neutralising stomach acid. It provides optimal pH (7.8) for enzyme activities and protects... View Article
Does the pancreas secrete bicarbonate?
Yes, pancreas secretes bicarbonate. It helps in neutralising acid and protecting the intestinal mucosal lining. It also provides optimal pH... View Article
What hormone stimulates pancreatic secretion?
Secretin and cholecystokinin (CCK) are the two hormones that stimulate pancreatic secretion. Secretin stimulates the secretion of water and bicarbonates... View Article
Is pancreatic juice acidic or alkaline?
Pancreatic juice is alkaline. It contains bicarbonates, which neutralises acid and protects intestinal mucosa. It provides an alkaline medium for... View Article
Why is pepsin inactive?
Pepsin is secreted as pepsinogen, a proenzyme, which is inactive from the chief cells of gastric glands. It is a... View Article
