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.
JHPS Admissions 2014-15 - Jubilee Hills Public Schools
Jubilee Hills Public School (JHPS), Hyderabad has announced admission notification for the academic year 2014-15. The admissions are open for LKG in Jubilee Hills Kindergaren School and Class XI in Jubilee Hills Public School.
Application forms will be issued between 10 AM to 3 PM from 9th December to 20th December 2013. Last date for registration is 20th December 2013.
Integrated coaching is available for Class XI for the entrance examinations such as IIT JEE / NEET and CPT. You can also download application forms from the website www.jhkschool.com and www.jhpublicschool.com .
Both the schools are managed by Jubilee Hills Education Society (JHES) and established in 1986. The schools are located in a 6 acre campus in the Jubilee Hills, Hyderabad.
Application forms will be issued between 10 AM to 3 PM from 9th December to 20th December 2013. Last date for registration is 20th December 2013.
Integrated coaching is available for Class XI for the entrance examinations such as IIT JEE / NEET and CPT. You can also download application forms from the website www.jhkschool.com and www.jhpublicschool.com .
Both the schools are managed by Jubilee Hills Education Society (JHES) and established in 1986. The schools are located in a 6 acre campus in the Jubilee Hills, Hyderabad.
TIME Schools Hyderabad Admissions 2014-15
T.I.M.E. Schools, Hyderabad have announced admission notification for the academic year 2014-15. The TIME group has CBSE schools in Bandlaguda, Jubilee Hills, Kandlakoya and Vikrampuri areas of Hyderabad. Following are details of admissions:
TIME schools give equal importance to academics and extra curricular activities. The activities include art and craft, basketball, cricket, dance, elocution and debate etc.
The schools follow CBSE syllabus. The admission are open for the year 2014-15 into Nursery to Class IX. For more details call 99664 24252 / 99664 65676.
Website: www.timeschools.com .
TIME schools give equal importance to academics and extra curricular activities. The activities include art and craft, basketball, cricket, dance, elocution and debate etc.
The schools follow CBSE syllabus. The admission are open for the year 2014-15 into Nursery to Class IX. For more details call 99664 24252 / 99664 65676.
Website: www.timeschools.com .
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