Arnav kaul
from
Chirec, Hyderabad
Subject :NSO Class : Class 5
Which of the following statements are correct?
(i) Venus is believed to have active volcanoes.
(ii) Mars has the biggest crater in the solar system.
(iii) The first seismograph was made in Germany.
(iv) Only dormant volcanoes are found around the
Pacific ocean, giving rise to the name 'Pacific Ring of Fire'.
A(ii) and (iv) only
B(i) and (ii) only
C(i) and (iii) only
D(iii) and (iv) only
Ans 1:
Edit Post
Suhana Kedia
from
Griffin's international school, Kharagpur
Class : Class 5
How is 1 correct? Please reply
Ans 2:
Edit Post
Shourya Ganesh
from
The Green Acres Academy, Mumbai
Class : Class 9
no volcano had erupted on Venus in the past 2.5 million years so 2 is the only correct option
Ans 3:
Edit Post
Pragun goel
from
Venkateshwar International School, Delhi
Class : Class 8
as per Wikipedia no volcano had erupted on Venus in the past 2.5 million years so 2 is the only correct option