Recent questions in Biology

Describe briefly the four major groups of protozoa. The four groups of Protozoa are classified based on their locomotory organs.

asked Jul 18, 2019 by swapnarajan1982

2 answers

Discuss how classification systems have undergone several changes over a period of time. Since the dawn of civilization, many attempts have been made to classify organisms.

asked Jul 18, 2019 by swapnarajan1982

2 answers

Algae are known to reproduce asexually by variety of spores under different environmental conditions. Name these spores and the conditions in which they are produced.

asked Jul 18, 2019 by swapnarajan1982

1 answer

State the three steps of sexual cycle in fungi.

asked Jul 18, 2019 by swapnarajan1982

2 answers

State the characteristic features exhibited by Kingdom ANimalia.

asked Jul 18, 2019 by swapnarajan1982

1 answer

Write a note on lichens?

asked Jul 18, 2019 by swapnarajan1982

1 answer

What are bacteriophages? Who discovered them? Name their genetic material. Draw a diagram of TMV.

asked Jul 18, 2019 by swapnarajan1982

1 answer

Name any three parasitic protozoans and mention the disease each of them causes in human beings?

asked Jul 18, 2019 by swapnarajan1982

1 answer

Draw a well labeled diagram of Nostoc.

asked Jul 18, 2019 by swapnarajan1982

1 answer

Name a bacterium that causes each of the following: Citrus canker, Bacterial blight of rice and Crown gall in plants

asked Jul 18, 2019 by swapnarajan1982

1 answer

Draw a well labeled diagram of a bacterial cell.

asked Jul 18, 2019 by swapnarajan1982

1 answer

Fungi are cosmopolitan. Write the role of fungi in your daily life.

asked Jul 18, 2019 by swapnarajan1982

1 answer

At a stage of their cycle, ascomycetes fungi produce the fruiting bodies like apothecium, perithecium or cleistothecium. How are these types of fruiting bodies different from each other?

asked Jul 18, 2019 by swapnarajan1982

1 answer

Why are viruses called obligate intracellular parasites?

asked Jul 18, 2019 by swapnarajan1982

1 answer

What is meant by “Contagium vivum fluidum?” who gave this idea?

asked Jul 18, 2019 by swapnarajan1982

1 answer

Name any four diseases caused by viruses in human beings.

asked Jul 18, 2019 by swapnarajan1982

1 answer

Name the fungi called “Drosophila” of this kingdom. Why?

asked Jul 18, 2019 by swapnarajan1982

1 answer

i) Name the phyla of photosynthetic protists.<br> ii) which of them forms the major phytoplanktons of the oceans?

asked Jul 18, 2019 by swapnarajan1982

1 answer

What are the characteristic features of Euglenoids?

asked Jul 17, 2019 by swapnarajan1982

1 answer

Give the scientific name of the species of fungus:

asked Jul 17, 2019 by swapnarajan1982

1 answer

What are the demerits of five kingdom classification?

asked Jul 17, 2019 by swapnarajan1982

1 answer

Why are some fungi gouped under “fungi imperfectii?”

asked Jul 17, 2019 by swapnarajan1982

1 answer

How are virioids different from viruses?

asked Jul 17, 2019 by swapnarajan1982

1 answer

Write the importance of classification of organisms.

asked Jul 17, 2019 by swapnarajan1982

1 answer

Compare the salient features of Monera and Protists.

asked Jul 17, 2019 by swapnarajan1982

1 answer

There is a myth that immediately after a heavy rain in the forest, mushrooms appear in large number and makes a very large ring or circle which may be several meters in diameter. These are called “fairy rings”. Can you explain the myth of fairy rings in biological terms?

asked Jul 17, 2019 by swapnarajan1982

1 answer

Diatoms are also called “Pearls of the oceans”. Why? What is diatomaceous earth?

asked Jul 17, 2019 by swapnarajan1982

1 answer

How is the five kingdom classification advantageous over the two kingdom classification?

asked Jul 17, 2019 by swapnarajan1982

1 answer

Who discovered viroids?

asked Jul 17, 2019 by swapnarajan1982

1 answer

Why is Euglena known as mixotroph?

asked Jul 17, 2019 by swapnarajan1982

1 answer

What are halophiles?

asked Jul 17, 2019 by swapnarajan1982

1 answer

Name the two kingdoms in the two kingdom classification.

asked Jul 17, 2019 by swapnarajan1982

1 answer

When do bacteria form endospores?

asked Jul 17, 2019 by swapnarajan1982

1 answer

In the five kingdom system of classification of Whittaker, how many kingdoms are prokaryotes?

asked Jul 17, 2019 by swapnarajan1982

1 answer

A virus is considered to be a living organism and an obligate parasite when inside the host cell. But virus is not classified along with bacteria or fungi. What are the special characters of the virus that are similar to non living objects?

asked Jul 17, 2019 by swapnarajan1982

1 answer

The common name of pea is simpler than its botanical name, Pisum sativum. Why then the simpler common names not used instead of complex scientific/botanical name in Biology?

asked Jul 15, 2019 by swapnarajan1982

1 answer

Suppose you accidently find an old preserved permanent slide without a label. In your effort to identify it you place the slide under the microscope and observe the following features. a) Unicellular b) well defined nucleus c) Bi flagellate –one flagellum lying longitudinally and the other transversely. What would you identify it as? Can you name the kingdom it belongs to?

asked Jul 15, 2019 by swapnarajan1982

1 answer

What is the principle underlying use of cyanobacteria in agricultural fields for crop improvement?

asked Jul 15, 2019 by swapnarajan1982

1 answer

Who is called “Father of classification”?

asked Jul 15, 2019 by swapnarajan1982

1 answer

Name the five kingdoms of 5 kingdom classification.

asked Jul 15, 2019 by swapnarajan1982

1 answer

Expand PPLO.

asked Jul 9, 2019 by swapnarajan1982

1 answer

To which kingdom do multicellular decomposers belong to?

asked Jul 9, 2019 by swapnarajan1982

1 answer

Who introduced five kingdom classification of organisms?

asked Jul 9, 2019 by swapnarajan1982

1 answer

Metabolism is defining feature of all living organisms without exception. Isolated metabolic reactions in vitro are not living things but surely living reactions. Comment.

asked Jul 9, 2019 by swapnarajan1982

1 answer

Define a taxon. What is meant by a taxonomic hierarchy? Give a diagram from the lowest to highest category for a plant and an animal. What happens to the number of individuals and number of shared characters as we go up the taxonomical hierarchy?

asked Jul 9, 2019 by swapnarajan1982

1 answer

What are taxonomical aids? Give the importance of herbaria and museums. How are botanical gardens and zoological parks useful in conserving biodiversity?

asked Jul 9, 2019 by swapnarajan1982

1 answer

Brassica campestris Linn

asked Jul 2, 2019 by swapnarajan1982

1 answer

A scientist has come across a plant which he feels is a new species. How will he go about its identification, classification and nomenclature?

asked Jul 2, 2019 by swapnarajan1982

1 answer

What is meant by living? Give any four defining features of life forms.

asked Jul 2, 2019 by swapnarajan1982

1 answer

What is the similarity and dissimilarity between „whole moong dhal‟ and „broken moong dhal‟ in terms of respiration and growth? Based on these parameters classify them as living or non living?

asked Jul 2, 2019 by swapnarajan1982

1 answer

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