MEDIUM
7th CBSE
IMPORTANT
Earn 100

Which of the following statements about the Jurassic period are correct?

  1. Many large dinosaurs lived during this period.
  2. Evidence of first bird has been found in fossils of this period.
  3. It saw the emergence of many forms of primates.
  4. This period is related to what the Earth was 140 million years ago.

50% studentsanswered this correctly

Important Questions on National Science Olympiad

EASY
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>Exercise 1>Q 6
Which one of the following is true for all chemical reactions?
MEDIUM
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>Exercise 1>Q 7
The movement of oxygenated blood from the left auricle to the left ventricle and then to the aorta to all parts of the body is called _____.
MEDIUM
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>Exercise 1>Q 8
The process of crossing two varieties with different characters to obtain a new variety is called _____.
EASY
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>Exercise 1>Q 9
Which metal is present in the human body in greater percentage?
EASY
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>National Science Olympiad--Practice Questions>Q 1
Which of these is not an insectivorous plant?
MEDIUM
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>National Science Olympiad--Practice Questions>Q 2
The thicker hair from older Angora goats is used to make _____.
MEDIUM
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>National Science Olympiad--Practice Questions>Q 3

Which of the following is not a good conductor of electricity?

EASY
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>National Science Olympiad--Practice Questions>Q 4
Evaporation of seawater to form clouds is an example of a change that is _____.