CBSE Class 9 - Biology - Why Do We Fall ill? (Q and A) (#cbseNotes) (#eduvictors)

Why Do We Fall ill? (Short Q and A)

Q1: Define Health according to WHO?

Answer: According to WHO (World Health Organisation) health is a “state of physical, metal and social well-being of a person”.



Q2: When is WORLD HEALTH DAY celebrated?

Answer: On 7th April



Q3: Define Disease.

Answer: Any disturbance in the structure or function of any organ or part of body.



Q4: List any two conditions necessary for good health.

Answer:
(i) Good physical and social environment.
(ii) Good economic conditions.

CBSE Class 12 - Final Examination Date Sheet - (2017-18) (#eduvictors)(#cbsenotes)

CBSE Class 12 - Final Examination Date Sheet - (2017-18)

CBSE Class 10 - Final Examination Date Sheet - (2017-18) (#cbsenotes)(#eduvictors)

CBSE Class 10 - Final Examination Date Sheet - (2017-18)

CBSE Class 6 - Sanskrit (संस्कृत) - Sample Question Paper - (2017-18) (#cbsepapers)(#eduvictors)

CBSE Class 6 - Sanskrit (संस्कृत) -
Sample Question Paper - (2017-18)

CLASS 10 - Biology - Heredity and Evolution – Unit Test Paper (#cbsePapers)(#eduvictors)

Heredity and Evolution

Unit Test Paper

Q1: Define the following:
a) Inheritance
b) Heredity
c) Phenotype
d) Genotype

Q2: How does the creation of variation in a species promote survival?


Q3: Give scientific reasons:

i. In sexual mode of reproduction greater diversities are generated.

ii. Phenotypic and genotypic ratios are different.

iii. A cross between a tall plant (TT) and short pea plant (tt) resulted in progeny that were all tall plants


Q4: How do genes regulate the height of a plant ?

CBSE Class 12 - Informatics Practices - Sample Question Paper - (2017-18) (#cbsepapers)(#eduvictors)

CBSE Class 12 - Informatics Practices -
Sample Question Paper - (2017-18)

CBSE Class 10 - Physics - The Human Eye and the Colourful World – Unit Test Paper (#eduvictors)(#cbsepapers)

The Human Eye and the Colourful World – Unit Test Paper

Q1: A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power which type?

Q2: Give reasons for the following:
i. Stars twinkle at night.
ii. The sun appears reddish early in morning.
iii. Planets do not twinkle.
iv. Red colour is used in danger signals.

Q3: A person walking in desert gets a illusion of seeing water. Name the phenomenon of light responsible for it.

Q4: Distinguish between Refraction and Dispersion.