Why is potato considered as a stem and not a root?
A potato is a stem modification, the primary role of which is to store starch for the plant. It grows... View Article
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Give two examples of sessile leaf.
Flowering plants may be categorized into two groups petiolate plants wherein petiole s are present and sessile plants in which... View Article
What is the specific name for fruits with one seed and many seeds?
Many fruits exist which only contain a single seed. Mango fruit has one seed. Banana, grape, and tomato has many... View Article
What is pseudocoelom?
The pseudocoelom is a fluid-filled body cavity lying inside the external body wall of the nematode that bathes the internal... View Article
Asparagus has its roots modified to a _____?
Asparagus is the example of a modified adventitious root in which roots are modified for the storage of food. In... View Article
What is symbiotic nutrition(commensalism)?
Symbiotic nutrition is the relationship between the organisms in which they share their nutrition and shelter. This mutual relationship may... View Article
What do you mean by weeding? Why is it necessary?
The unwanted plants that grow in-between crops are called weeds. The process of removal of such unwanted plants is called... View Article
What is river lift system?
River lift system is where water from rivers is drawn directly to supplement irrigation schemes. River lift systems do not... View Article
What are palade particles?
Ribosomes are small microscopic ribonucleoprotein particles which occur in cytoplasm either freely or attached to endoplasmic recticulum. They have been... View Article
Silk fibre obtained from silk moth is a kind of ________
Silk fibre obtained from insects like the silk worm, is a natural protein. Fibroin and Sericin are the main components... View Article
Which of the following groups contain only biodegradable items? (a) Grass, flowers and leather (b) Grass, wood and plastic (c) Fruit-peels, cake and lime-juice (d) Cake, wood and grass
The answer is (c) Fruit-peels, cake and lime-juice (d) Cake, wood and grass Explanation Wastes capable of being broken down... View Article
What is a tendril? Name the two types of tendrils.
Tendrils are the thin, thread-like growths on the stems or leaves of climbing plants. The two types of tendrils are... View Article
Name any factor on which the shape of a cell in multicellular cells depends
The shape of cells depends on the type of work or the function done by them. Spindle shape of the... View Article
What is the role of mucus in the stomach?
Answer: The stomach is the widest, hollow, muscular, expendable and important organ of the digestive system. It is a bean-shaped... View Article
What type of crops are grown in desert soil?
Deserts cover 20 to 33% of the Earth’s land surface, and can be found in the tropics, at the poles,... View Article
What is the difference between pollen tube and style?
Pollen tubes and style are unique to plants. The pollen tube develops through the style towards the ovary. The differences... View Article
Name and define the mode of nutrition in the mushroom?
Organisms feed on dead or decaying organic matter are called saprophytes and their mode of nutrition as saprophytic nutrition. Mushrooms... View Article
Explain the male reproductive system of cockroach.
The male reproductive system of cockroach consists of a pair of testes. The testes lie on each lateral side in... View Article
What is the formula of starch?
Starch is a polysaccharide consisting of glucose monomers that are joined by α-1,4 glycosidic linkages. Glucose is stored as a... View Article
Emulsification of fat molecule is carried out by 1) trypsin 2) pepsin 3) bile salt 4) amylase
Bile contains no enzyme but it is consisyed of salts, namely, sodium glycocholate and sodium taurocholate. These salts reduce the... View Article
