Level 2 & Achievers Sample Questions for Class 7
Question 1
Which of the following changes are physical and irreversible?
1) Breaking of glass pot.
2) Rolling of dough.
3) Baking of cake.
4) Shredding of paper
5) Melting of ice.
A. 1,2 and 4
B. 1,2,4 and 5
C. 1 and 4
D. Only 1
Question 2
Which of the following is correct statement?
A. Soaps and detergents are bases.
B. Fruits and vegetables have inorganic acid.
C. Bases are sour in taste.
D. Acids are incorrosive.
Question 3
Identify the process that takes place in following activities:
P : Hot tea poured in the saucer.
Q : Napthalean ball disappearing in few days.
R : Spreading of hard butter on warm toast.
A. P - Evaporation, Q - Sublimation , R - Melting
B. P - Boiling, Q - Vaporization, R - Melting
C. P - Vaporization, Q - Vaporization, R - Melting
D. P - Vaporization, Q - Sublimation, R - Melting
Question 4
Study the following statements carefully:
1) Plant undergoes vegetative propogation go to A.
2) Plant undergoes sexual reproduction go to B.
A 1) Plant that produce through leaves is P.
A 2) Plant that produce through stem is Q.
B 1) R is a unisexual flower.
B. 2) S is bisexual flower.
A. P - Bryophyllum , Q - Ginger , R - Rose, S - Papaya
B. P - Begonia, Q - Potato, R - Hibiscus, S - Rose
C. P - Begonia, Q - Ginger, R - Watermelon, S - Papaya
D. P - Bryophyllum, Q - Potato, R - Papaya, S - Hibiscus -
Question 5
Which of the following is wrong?
A. Periodic change - Sunset, Non periodic change - Volcanic Eruption
B. Periodic change - Heartbeat , Non periodic change - Rotation of moon
C. Periodic change- Occurence of new moon, Non periodic change - Volcanic Eruption
D. Periodic change - Sunrise, Non periodic change : Occurence of rainbow