MEDIUM
7th CBSE
IMPORTANT
Earn 100

What are saprotrophs? Give example.

Important Questions on Half Yearly Examination Test Paper-2

MEDIUM
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 21 - Half Yearly Examination Test Paper-2>Half Yearly Examination Test Paper-2>Q C
Name the four types of teeth found in humans.
MEDIUM
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 21 - Half Yearly Examination Test Paper-2>Half Yearly Examination Test Paper-2>Q C

In an experiment to calculate the rate of percolation of water, a student observed that it took 30 minutes for 150 ml of water to percolate through the soil. Calculate the rate of percolation of water.

MEDIUM
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 21 - Half Yearly Examination Test Paper-2>Half Yearly Examination Test Paper-2>Q C
State two features of polar bear that help it to survive in extremely cold conditions.
MEDIUM
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 21 - Half Yearly Examination Test Paper-2>Half Yearly Examination Test Paper-2>Q C

In the experiment to show that light is necessary for photosynthesis:                                                

(a) Why is the plant kept in dark for 2-3 days?

(b) Why is the leaf boiled in alcohol?

(c) Which chemical is used to test the presence of starch in the leaf?

HARD
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 21 - Half Yearly Examination Test Paper-2>Half Yearly Examination Test Paper-2>Q C
Write the method and draw the labelled diagram to show that soil has moisture.
HARD
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 21 - Half Yearly Examination Test Paper-2>Half Yearly Examination Test Paper-2>Q C
Discuss the process of nutrition in Amoeba in detail.