EASY
10th Tamil Nadu Board
IMPORTANT
Earn 100

Explain the working of compound microscope with diagram.

Important Questions on Solved Science Paper-2

EASY
10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 25 - Acoustics>Exercise>Q 23
Define a longitudinal wave.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 25 - Periodic Classification of Elements>Exercise>Q 20
Na, Mg and Al are the elements having one, two and three valence electrons respectively. Which of these elements (i) has the largest atomic radius, (ii) is least reactive? Justify your answer stating reason for each.
HARD
10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 25 - Types of Chemical Reactions>Exercise>Q 50
What is the value of Kw ? What are its units?
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 25 - Plant Anatomy and Plant Physiology>Exercise>Q 6

State true or false and correct the false statement.

Mesophyll contain chlorophyll.

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 25 - Origin and Evolution of Life>Exercise>Q 5
Give one character that shows that birds and dinosaurs are closely related.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 25 - Solved Science Paper-2>Exercise>Q 18
Name the two accessory glands of female reproductive system in rabbits. 
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 25 - Solved Science Paper-2>Exercise-Choice>Q 19
Write down the functions of gibberellins, cytokinins and abscisic acid (one of each).
EASY
10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 25 - Solved Science Paper-2>Exercise>Q 22
Sketch a graph to show the change in potential difference across the ends of an ohmic resistor and current flowing in it.  What does the slope of the graph represent?