List of top Questions asked in UP Board X

Describe the structure of human heart with the help of a suitable diagram.

Describe sexual reproduction in the flowering plants.

Write IUPAC names of the following compounds:

Write IUPAC names of the following compounds:

In the given circuit, find the equivalent resistance between A and B and potential difference between the ends of the 5 \(\Omega\) resistance.

Describe sex determination process in human beings with diagram.

Define Phototropism and Geotropism with the help of suitable diagrams.

In the given circuit, find:
(i) Total resistance
(ii) Current through the cell, and
(iii) Potential difference across 0.8 \(\Omega\) resistance.

Explain clearly the arrangement for a domestic electric circuit with the help of a diagram.

Describe Regeneration and Budding with diagram.

(i) What is a neutralisation reaction? Write its two examples.
(ii) Explain roasting with an example.

Describe the structure and function of nephron in humans.

Describe the structure of the human heart with the help of a labelled longitudinal section diagram of the human heart.

Draw a labelled diagram of structure of Neuron and describe its functions.

Describe the female reproductive system of human beings with a diagram.

Complete the following chemical equation:
CH₃COOH + C₂H₅OH →^{Conc. H₂SO₄} ________ + H₂O

What is ozone and how does it affect any ecosystem?

Describe the food chain and food web with examples.

Write short notes on the following:
(a) Vegetative propagation
(b) Budding

Budding:

Describe the structure and function of the human brain in brief.

Describe energy flow in an ecosystem with diagram.

State the following laws with the help of labelled diagram. With the help of the following, the direction of which physical quantity can be known?
(i) Fleming’s Left Hand Rule
(ii) Right Hand Thumb Rule

Three wires A, B and C are emerging out from the main source of a house. What will be the name, function, and colour of the insulation for each wire?

Write the chemical equations for two chemical properties of ethanol.