In a class of 40 students, marks obtained by the students in a class test (out of 10) are given below:

Calculate the following for the given distribution: i. Median ii. Mode

The compound formed when haemoglobin combines with carbon dioxide in blood.

Given below are two stages in the evolution of man. Study them and answer the questions that follow:

1. Identify Australopithecus and Neanderthal man from the above pictures.
2. Mention two characteristic
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Ionic or electrovalent compounds do not conduct electricity in their _____ state. (fused / solid)

Explain any three types of cases in which the Supreme Court exercises its Original Jurisdiction.

The following table shows the electronic configuration of the elements W, X, Y, Z:

Answer the following questions based on the table above:

1. What type of Bond is formed between:
   1. W and X         2. Y and Z
2. What
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Name the Signatory Countries of the Triple Alliance

The Union Executive which consists of the President, Prime Minister and the Council of Ministers is a powerful body in a Parliamentary Democracy. In this context, State the position of the Prime...

The organ which produces urea.

With reference to the Partition Plan, answer the following:

1. (i) Name the last Viceroy of India. (ii) State any two reasons for him to come to India.
2. Mention any three proposals under his plan.
3. State any
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(i) If the lens is placed in water instead of air, how does its focal length change?

(ii) Which lens, thick or thin has greater focal length?

The compound formed when ethene reacts with Hydrogen is _______ . (CH₄, C₂H₆, C₃H₈)

The element with highest ionization potential is:

1. Hydrogen
2. Caesium
3. Radon
4. Helium

The organic compound having a triple carbon-carbon covalent bond is:

1. C₃H₄
2. C₃H₆
3. C₃H₈
4. C₄H₁₀

With reference to the Supreme Court as the Apex Court in our Indian Judiciary, explain the following:

1. Any three cases that come under the Original Jurisdiction of the Supreme Court.
2. Power of Judicial
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