Class 10 Science

Draw two different possible structures of a saturated hydrocarbon having four carbon atoms in its molecule
We do not clean pond in the same manner as we do in an aquarium
List two human-made ecosystems
Draw the pattern of magnetic field lines of the magnetic field produced by a solenoid
What is a solenoid
An alpha particle while passing through a magnetic field gets projected towards north
Name and state the rule to determine the direction of force experienced by a current carrying straight conductor
If 100 plants are produced in F2 progeny, then how many plants will show the recessive trait
If the plants of F1 progeny are self-pollinated, then what would be observed in the plants of F2 progeny
In a cross between violet flowered plants and white flowered plants, state the characteristics of the plants obtained in the F1 progeny
What is variation? List two main reasons that may lead to variation in a population
Which one of the two multicellular organisms Spirogyra and Planaria reproduces by regeneration and why
List the two reproductive parts of a bisexual flower
Which of the following flowers will have higher possibility of self-pollination
The electrons in the atoms of two elements X and Y are distributed in three shells
Carbon compounds have low melting and boiling points
Write the molecular formula of the following carbon compounds
A 4 cm tall object is placed on the principal axis of a convex lens
Students were asked to observe the permanent slides showing different stages of budding in yeast under high power of a microscope
When you add sodium hydrogen carbonate to acetic acid in a test tube