EASY
7th CBSE
IMPORTANT
Earn 100

Name and describe an alternative arrangement for sewage disposal where there is no sewerage system.

Important Questions on Yearly Examination Test Paper-1

MEDIUM
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 23 - Yearly Examination Test Paper-1>Yearly Examination Test Paper-1>Q B
A mixture (x) in water contains suspended solids, organic impurities, inorganic impurities (a) nutrients (b) disease causing bacteria and other microbes. Give name for (x), (a) and (b).
 
MEDIUM
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 23 - Yearly Examination Test Paper-1>Yearly Examination Test Paper-1>Q B
What is sludge? How is it treated and used?
MEDIUM
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 23 - Yearly Examination Test Paper-1>Yearly Examination Test Paper-1>Q B

Explain why aerobic bacteria are used in sewage treatment plants?

EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 23 - Yearly Examination Test Paper-1>Yearly Examination Test Paper-1>Q C
Sudha observed that a pond with clear water quickly filled up green algae. By which method of reproduction did the algae spread so quickly?
 
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 23 - Yearly Examination Test Paper-1>Yearly Examination Test Paper-1>Q C

Blood vessels that connect arteries and veins are

EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 23 - Yearly Examination Test Paper-1>Yearly Examination Test Paper-1>Q C

The 'eye' of the potato plant is what

EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 23 - Yearly Examination Test Paper-1>Yearly Examination Test Paper>Q C
Unscramble the following terms associated with sexual reproduction in plants. 
LLIIOOATNNP, YMORBE 
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 23 - Yearly Examination Test Paper-1>Yearly Examination Test Paper-1>Q C

Name the vascular tissue responsible for transport of water in plants.