Level 2 & Achievers Sample Questions for Class 8
Question 1
Which of the following is incorrect statement?
A. Sodium can float on water.
B. Silver is best conductor of electricity.
C. Mercury is bad conductor of electricity.
D. Potassium can be easily cut with knife.
Question 2
Select the correct statement.
A. The mother has XX sex chromosome .
B. Every individual grows from single cell called as gamete.
C. Deficiency of growth hormone causes gigantism.
D. Only female can decide the sex of the unborn child.
Question 3
Read the following statements:
Statement 1 : Chloroplast is only plastid present in plant cell.
Statement 2 : Mitochondria and plastids have their own DNA and protein synthesizing mechanism.
A. Statement 1 is false , statement 2 is true
B. Statement 1 is true , statement 2 is false
C. Both statements are true
D. Both statements are false
Question 4
Study the diagram and answer the following questions:
1) Master gland
2) Gland that controls sugar level in the blood.
A. 1) S 2) R
B. 1) P 2 ) R
C. 1) P 2) S
D. 1) S 2) Q
Question 5
Arrange the following elements in ascending order of their reactivity.
Mg, Ag, K, Na, Cu.
A. K < Na < Mg < Cu < Ag
B. Ag < Cu < Mg < Na < K
C. Na < K < Mg < Cu < Ag
D. Ag < Mg < Cu < K < Na