Monday, September 21, 2009

Control and Coordination - Class X

Control and Coordination - Class X

Uce the link given below for notes:
http://www.scribd.com/doc/20011694/Control-and-Coordination-Class-X

Control and Coordination- Class X

Sunday, August 23, 2009

Presentation on Tissues

Tissues Part 2

For notes, click on the link below
ANIMAL TISSUES

Tissues Part 2

Sunday, August 9, 2009

Sunday, April 19, 2009

Cell-The Fundamental Unit of Life

For notes:
Use the following link
http://www.scribd.com/doc/14425949/CellThe-Fundamental-Unit-of-Life

Cell-The Fundamental Unit of Life Cell-The Fundamental Unit of Life Cell is the fundamental unit of all living organisms.Read about types of cells, functions of different organelles and a lot more in these notes.

Monday, April 6, 2009

Friday, February 6, 2009

Questions for Chapter- Improvement in Food Resources

Q-1 Answer the following in brief:

a) What are the useful characteristics that are considered for crop variety improvement / Plant breeding?

b) What is organic farming? What are the advantages of organic farming over conventional farming?

c) What are the desirable agronomic characteristics for :
i) Fodder crops
ii) Cereals
Give reasons for your answer.

d) What are weeds? Give two examples. Discuss two methods of weed control.

e) How is the problem of ‘lack of good quality seed’ overcome by the fish farmers?

f) What are the desirable characters of bee varieties suitable for honey production?

g) What are the desirable traits in poultry farming?

Q-2 Define the following terms giving examples:

a) genetically modified crop b) Crop Rotation c) Animal Husbandry
d) Pasturage

Q-3 Differentiate between:

a) Capture fishing, Mariculture, Aquaculture

b) Manure and fertilizer

c) Intervarietal, interspecific and intergeneric crossing

d) Macronutrients and micronutrients (Give examples also and write why they are known by these names)
e) Compost and green manure

f) Short Duration and long duration crops

g) Intercropping , mixed cropping

h) Milch animals and draught animals.

i) Roughage and concentrates

j) Broilers and layers

Thursday, February 5, 2009

Chapter-15, Improvement in Food Resources- Part II




For downloading notes, use the following link:
http://www.scribd.com/doc/11731048/Improvement-in-Food-Production-Part-II

Improvement in Food Production , Part II