Mount Litera Zee School, Manikonda (Hyderabad) is inviting applications for admission into LKG to Class X for the academic year 2014-15. The school is following CBSE curriculum. Following are details of branches and applications:
The Mount Litera School has three campuses in Sainikpuri, Hayathnagar and Manikonda. The admissions into Classes LKG to Class X are under progress now.
Application forms will be issued from 9th December to 25th January 2013 at respective school campuses.
1) Sainikpuri: Near Saket Township, Kapra, Sainikpuri, Secunderabad.
2) Hayathnagar: Lane beside Canara Bank, Hayathnagar.
3) Manikonda: Plot No. 199, Anjali Garden, Beside Lanco Hills.
December 9, 2013
Junior Inter Botany 4 Marks Questions and Answers - AP Board
4 Marks Questions
Q: What is meant by identification and nomenclature? How is a key helpful in the identification and classification of an organism?
A: Identification means to determine whether a collected organism is entirely new or
already known.
- Nomenclature means providing a scientific name to an identified organism.
- A taxonomic key is based on contrasting characters in pairs (couplet).
- It refers to a choice between two opposite options out of which one is accepted and the other rejected. Thus plants or animals may be classified using keys based on similarities and differences. Each taxonomic category requires separate taxonomic keys.
Ex: Couplet in a key:
Reticulate venation - Parallel venation
Flower pentamerous - Trimerous
Tap root - Fibrous root
Two cotyledons in seed - One cotyledon in seed
By comparing the characters of a plant with the above options one can classify a plant into dicotyledonae / monocotyledonae.
Q: Give the salient features and importance of Chrysophytes.
A: Salient features of Chrysophytes:
- Chrysophytes are single-celled eukaryotes which belong to the kingdom Protista.
- They include microscopic photosynthetic plankton like diatoms and desmids (golden
algae).
- They are aquatic which may be marine or fresh water.
- They are surrounded by a soap box like cell wall which is composed of two overlapping
halves the epitheca and the hypotheca.
- The cell wall is made up of hard and indestructible silica.
- Based on the symmetry the diatoms may be classified into Centrales (radial symmetry)
and Pennales (bilateral symmetry).
- They reproduce by binary fission and formation of auxospores.
Importance of diatoms:
- Diatoms are photosynthetic and chief producers (phytoplankton) of seas and oceans.
- The diatom cell walls accumulated in the sea form diatomaceous earth or kieselguhr.
- It is used in polishing, filtration of oils and syrups.
Q: What is meant by identification and nomenclature? How is a key helpful in the identification and classification of an organism?
A: Identification means to determine whether a collected organism is entirely new or
already known.
- Nomenclature means providing a scientific name to an identified organism.
- A taxonomic key is based on contrasting characters in pairs (couplet).
- It refers to a choice between two opposite options out of which one is accepted and the other rejected. Thus plants or animals may be classified using keys based on similarities and differences. Each taxonomic category requires separate taxonomic keys.
Ex: Couplet in a key:
Reticulate venation - Parallel venation
Flower pentamerous - Trimerous
Tap root - Fibrous root
Two cotyledons in seed - One cotyledon in seed
By comparing the characters of a plant with the above options one can classify a plant into dicotyledonae / monocotyledonae.
Q: Give the salient features and importance of Chrysophytes.
A: Salient features of Chrysophytes:
- Chrysophytes are single-celled eukaryotes which belong to the kingdom Protista.
- They include microscopic photosynthetic plankton like diatoms and desmids (golden
algae).
- They are aquatic which may be marine or fresh water.
- They are surrounded by a soap box like cell wall which is composed of two overlapping
halves the epitheca and the hypotheca.
- The cell wall is made up of hard and indestructible silica.
- Based on the symmetry the diatoms may be classified into Centrales (radial symmetry)
and Pennales (bilateral symmetry).
- They reproduce by binary fission and formation of auxospores.
Importance of diatoms:
- Diatoms are photosynthetic and chief producers (phytoplankton) of seas and oceans.
- The diatom cell walls accumulated in the sea form diatomaceous earth or kieselguhr.
- It is used in polishing, filtration of oils and syrups.
Junior Inter Botany 2 Marks Important Questions - AP Board
2 Marks Questions
Q: Define metabolism. What is the difference between anabolism and catabolism?
A: Metabolism is the sum total of all chemical reactions occurring in the body of a living organism.
- Anabolism refers to the synthesis of bigger molecules from small molecules during
chemical reactions. In one way it is a constructive process.
- Catabolism is the breakdown of bigger molecules into smaller ones. It is a destructive or lytic process.
Q: Which is the largest botanical garden in the world? Name a few well known botanical
gardens in India.
A: Largest botanical garden in the world - (Royal) Botanical garden or Kew botanical
garden - England.
- Botanical gardens in India - Indian Botanical garden - Howrah, National Botanical
Research Institute - Lucknow.
Q: What is the basic unit of classification? Define it.
A: Species is the basic unit of classification.
- Species is a group of individual organisms with fundamental similarities.
Q: What is growth? What is the difference between the growth in living organisms and
growth in non-living objects?
A: Increase in mass and volume of an individual is called growth.
- Growth in living organisms is internal which occurs by cell division.
- Growth in non-living objects is external that is by accumulation of materials outside.
Q: What is the nature of cell-walls in diatoms?
A: The cell wall in diatoms is made up of two overlapping halves called epitheca and hypotheca which give the appearance of a soapbox. It is made up of hard and indestructible silica.
Q: How are viroids different from viruses?
A: Viroids differ from viruses in lacking a protein coat.
Ex: Potato spindle tuber viroid.
- Viroid contains only nucleic acid (RNA) whereas virus contains nucleic acid and protein coat.
Q: What do the terms phycobiont and mycobiont signify?
A: Phycobiont is the algal partner of a lichen.
- Mycobiont is the fungal partner of a lichen.
Q: What do the terms 'algal blooms' and 'red tides' signify?
A: The vast colonies and filaments of algae which are found in polluted water bodies are called algal blooms.
- The rapid multiplication of red dinoflagellates like Gonyaulax makes sea water appear red which are called red tides in Mediterranean sea.
Q: State two economically important uses of heterotrophic bacteria.
A: Heterotrophic bacteria are used in production of antibiotics.
- Rhizobium is used in fixing atmospheric nitrogen in agricultural lands.
- Lactobacillus is used in making curd from milk.
Q: What is the principle underlying the use of cyanobacteria in agricultural
fields for crop improvement?
A: Cyanobacteria like Nostoc and Anabaena possess special cells called heterocysts which can fix atmospheric nitrogen. Hence they can be used in agriculture for crop improvement.
Q: Define metabolism. What is the difference between anabolism and catabolism?
A: Metabolism is the sum total of all chemical reactions occurring in the body of a living organism.
- Anabolism refers to the synthesis of bigger molecules from small molecules during
chemical reactions. In one way it is a constructive process.
- Catabolism is the breakdown of bigger molecules into smaller ones. It is a destructive or lytic process.
Q: Which is the largest botanical garden in the world? Name a few well known botanical
gardens in India.
A: Largest botanical garden in the world - (Royal) Botanical garden or Kew botanical
garden - England.
- Botanical gardens in India - Indian Botanical garden - Howrah, National Botanical
Research Institute - Lucknow.
Q: What is the basic unit of classification? Define it.
A: Species is the basic unit of classification.
- Species is a group of individual organisms with fundamental similarities.
Q: What is growth? What is the difference between the growth in living organisms and
growth in non-living objects?
A: Increase in mass and volume of an individual is called growth.
- Growth in living organisms is internal which occurs by cell division.
- Growth in non-living objects is external that is by accumulation of materials outside.
Q: What is the nature of cell-walls in diatoms?
A: The cell wall in diatoms is made up of two overlapping halves called epitheca and hypotheca which give the appearance of a soapbox. It is made up of hard and indestructible silica.
Q: How are viroids different from viruses?
A: Viroids differ from viruses in lacking a protein coat.
Ex: Potato spindle tuber viroid.
- Viroid contains only nucleic acid (RNA) whereas virus contains nucleic acid and protein coat.
Q: What do the terms phycobiont and mycobiont signify?
A: Phycobiont is the algal partner of a lichen.
- Mycobiont is the fungal partner of a lichen.
Q: What do the terms 'algal blooms' and 'red tides' signify?
A: The vast colonies and filaments of algae which are found in polluted water bodies are called algal blooms.
- The rapid multiplication of red dinoflagellates like Gonyaulax makes sea water appear red which are called red tides in Mediterranean sea.
Q: State two economically important uses of heterotrophic bacteria.
A: Heterotrophic bacteria are used in production of antibiotics.
- Rhizobium is used in fixing atmospheric nitrogen in agricultural lands.
- Lactobacillus is used in making curd from milk.
Q: What is the principle underlying the use of cyanobacteria in agricultural
fields for crop improvement?
A: Cyanobacteria like Nostoc and Anabaena possess special cells called heterocysts which can fix atmospheric nitrogen. Hence they can be used in agriculture for crop improvement.
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