Solarisation is the
(a) Formation of chlorophyll(b) Destruction of chlorophyll(c) Utilization of sunlight(d) Effect of solar lightCorrect option: (b) Destruction of chlorophyllSolarisation is... View Article
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An ecosystem consists of
(A) all the plants and animals of an area (B) producers, consumers, and decomposers in a particular locality (C) a... View Article
What is porogamy? Explain.
Porogamy is the standard type of fertilization carried out in all angiosperms or flowering plants. In this type of fertilization,... View Article
What is gaidukov phenomenon?
Gaidukov phenomenon is a phenomenon that occurs in algae. It is the phenomenon in which algae absorbs maximum light to... View Article
The movement of frog is called
The movement of the frog is called toad movement. However, different frog species use several methods of moving around, including... View Article
What are the main sources of roughage?
Dietary fibres are also known as roughage. Whole grains and pulses, potatoes, fresh fruits and vegetables are main sources of... View Article
Draw a well labelled diagram of human digestive system.
A well labelled diagram of human digestive system is given below:
What helps Frog to breathe underwater?
The skin of the frogs helps to breathe underwater. Generally, gills are used in water during the larval stage, skin... View Article
What is the meaning of conducting tissue?
Conducting tissues xylem and phloem are responsible for the survival of plants in the terrestrial environment. They are both conducting... View Article
What is meant by perisperm?
Perisperm is the nutritive tissue surrounding the embryo in certain seeds and develops from the ovule’s nucellus.
Whether bat is a bird or animal?
Bat is one type of animal that acts as a natural reservoir of many pathogens, such as rabies. Because they... View Article
In human digestive system, the enzymes pepsin and trypsin are secreted respectively by which organs?
(a) Pancreas and liver(b) Stomach and salivary glands (c) Pancreas and gall bladder(d) Stomach and pancreasCorrect option:(d) Stomach and pancreasIn... View Article
Estrogen is secreted by
(1) Corpus luteum(2) Membranous granulosa of Graafian follicle(3) Germinal epithelium of ovary(4) PituitaryCorrect option: (2) Membranous granulosa of Graafian follicleEstrogen... View Article
What are flame cells?
Flame cells are the excretory structures in Platyhelminthes, rotifers, some annelids and the cephalochordate-Amphioxus. These are the simplest animals to... View Article
Evolutionary history of an organism is known as
(a) Phylogeny(b) Ancestry(c) Paleontology(d) OntogenyCorrect option: (a) PhylogenyThe evolutionary history of an organism or species is known as Phylogeny.
Cells which lack nuclear membrane are
(a) eukaryotic cells (b) prokaryotic cells (c) single cells (d) multicells Correct option: (b) prokaryotic cells Cells which lack nuclear... View Article
During expiration the diaphragm becomes
(a) Oblique(b) Dome shaped(c) Bulging(d) FlattenedCorrect option: (b) Dome shapedDuring expiration the diaphragm becomes dome shaped.
What type of nutrition is present in the bread mould?
The type of nutrition is present in the bread mould is saprophytic.
The whole process of aerobic respiration takes place in the
(a) Mitochondria (b) Mitochondria and parozysms (c) Mitochondria and cytoplasm (d) Cytosol Correct option: (c) Mitochondria and cytoplasm The whole... View Article
Porifera is triploblastic or diploblastic?
Porifera is neither triploblastic nor diploblastic since Porifera contains the cellular level of organization. Diploblastic and Triploblastic animals are those... View Article
