JEE Main Test 26

Result

JEE Main Test 26

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

Direction : The question has Statement – 1 and Statement – 2. Of the four choices given after the statements, choose the one that describes the two statements.

Statement – 1: Skywave signals are used for long distance radio communication. These signals are in general, less stable than ground wave signals.
Statement – 2: The state of ionosphere varies from hour to hour, day to day and season to season.

A
Statement – 1 is True, Statement – 2 is False.

B
Statement – 1 is True, Statement – 2 is True; Statement – 2 is a correct explanation for Statement – 1.

C
Statement – 1 is True, Statement – 2 is True; Statement – 2 is not the correct explanation for Statement – 1.

D
Statement – 1 is False, Statement – 2 is True.

Solution

Skywave signals are generally used in long-distance communication and they are less stable as the composition of Ionosphere changes with the time of the day. Hence, Statements 1 and 2 both are correct and has correct explanation.
Hence, option B is correct.
Question 2
4 / -1

Ultra-violet light causes

A
Sticky metaphases

B
Photodynamic action

C
Destruction of hydrogen bonds between complementary DNA strands

D
Formation of pyrimidines

Solution

UV light causes destruction of hydrogen bonds between complementary DNA Strands.
Hence, option C is correct.