Amoeba reproduces by budding. True or False.
Amoeba reproduces by budding. It is a False statement because amoeba reproduces by binary fission. Also, see: Binary Fission in... View Article
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Explain about self defence by animals and plants through chemical warfare .
The examples of self-defence by animal by chemical welfare. Honey bee stings that release an acid causing irratation and pain... View Article
What is the basic constraint in raising farm production?
The basic constraint in raising farm production is fixed land, machinery, irrigation, modern technologies and money.
Right part of human heart contains oxygenated blood or deoxygenated?
The right ventricle receives deoxygenated blood from the right atrium and then pumps the blood to the lungs for re-oxygenation through... View Article
The process of removing green colour of a leaf is called:
The process of removing green colour of a leaf is called Chromatography. The pigments present in the leaves, i.e. chlorophyll... View Article
Why do fishes have streamlined body?
Fishes have streamlined body so that it can reduce friction in water and thus helping the fishes to move easily.
Explain the term chemosynthetic autotroph
A group of organisms, which uses inorganic molecules as a source of energy are called chemosynthetic autotrophs. The energy released... View Article
Name two preservatives used for preserving fruit juices, jams, jellies.
Benzoic Acid and Sodium benzoate. A preservative, when added to food, prevents retardation and decomposition of food.
Digestion of food starts in dash and gets completed dash
Digestion of food starts in mouth (buccal cavity) and gets completed in the small intestine.
Meiosis occurs in: (a) Diploid cells (b) Haploid Cells (c) Mostly haploid cells but occasionally diploid cells (d) Mostly diploid cells but occasionally haploid cells
Answer: (a) Diploid cells Meiosis occurs in the diploid cells, which are destined to form gametes. It is called the reduction... View Article
What are fibre crops? Give examples
“Fibre crops are the crops grown in fields for their fibres that are used to make ropes, paper, cloth, etc.”... View Article
Explain the process of digestion in amoeba with diagram
The different processes involved in holozoic nutrition in amoeba are: Ingestion Ingestion is the process of taking the food into... View Article
Which of the following are called food factories of the plant? (a) Leaves (b) Stem (c) Roots (d) Flowers
Leaves are the most important part of a plant. They contain chlorophyll that helps the plants to prepare their food... View Article
Explain the structure of a typical flower with the help of a diagram
Flowers are the reproductive part of a plant. They are not only involved in reproduction, but are also a source... View Article
What is the process of ‘transplantation’ in agriculture?Give examples of two crops which are usually grown by this process.
The process of transferring the seedlings from the nursery to the main field by hand is called transplanting or transplantation.Tomato... View Article
Describe the mechanism of respiration in man
The air which we breathe in and out of the lungs varies in its pressure. So basically when there is... View Article
Classify resources on the basis of origin and availability.
On the Basis of Origin, there are two resources: Biotic and Abiotic. Biotic Resources are obtained from the biosphere that... View Article
Describe the post-fertilization changes in a flower.
In plants, fertilization is defined as the fusion of the male and the female gamete to develop into a diploid... View Article
what is glandular epithelium?
The cuboidal or columnar epithelia which are specialized in secretions of various macromolecules are called glandular epithelium which includes the... View Article
Why female Anopheles mosquito feeds on human blood?
Female Anopheles mosquito feeds on human blood because they need proteins of human blood to lay eggs.
