NSO - Mock Test...

Read the following information carefully and answer the question.

If the code for FOOTBALL is 8 and the code for HOCKEY is 6, then what is the code for BADMINTON?

In the following numbers, one number is incorrect. Find out the odd number.

54, 9, 15, 6, 24, 4, 16

Read the following information carefully and answer the question given below.

Amit was looking at a photograph in his house nostalgically, it was a photo of a young man. While pointing at it Amit said, "I have no brother or sister but that man's father is my father's son." What was the relation of Amit to the man in the photograph?

There is some relationship between the two pairs of numbers on the left of the sign (: :). The same relationship exists between the two terms to its right, of which one is missing. Find the missing term from the given alternatives.

26 : 63 : : 511 : ____

Which number should come next in the given series?

600, 650, 702, 756, ?

A uniform electric field and a uniform magnetic field are produced, pointed in the same direction. An electron is projected with its velocity pointed in the same direction. Then,

It is not advised to store curd and other sour substances in copper or brass vessels because

Which of the following statements is/are the correct reason(s) for rubbing a magnesium ribbon with sand paper before burning it in air ?

I. The surface is covered with a layer of magnesium oxide.
II. Cleaning gives a better reaction as magnesium is a moderately reactive metal.

Consider the balanced equation of the reaction between the aqueous solutions of barium chloride and sodium sulphate:

BaCl₂ + Na₂SO₄ → BaSO₄ + 2NaCl

Which of the following species can be separated from the mixture as a solid precipitate?

Why does a solution of copper sulphate change its colour when an iron nail is dipped into it?

What is the most significant limitation of Dobereiner's classification of elements?

The position of an element in the periodic table is related to its electronic configuration. In this context, identify the correct statement among the following.

How many moles of iron will react with excess of water to produce four moles of hydrogen gas?

Fe + 4H₂O → Fe₃O₄ + 4H₂

Look at the following reaction equations and choose which one shows double displacement?

I. 2KBr (aq) + Bal₂ (aq) → 2KI (aq) + BaBr₂ (aq)
II. 2KBr (aq) + F₂ (aq) → 2KF (aq) + Br₂ (aq)

Gibberellins were discovered by a Japanese botanist while studying the "foolish seedling" disease in rice. They were first isolated from the fungus known as

What kind of epithelium is found in our respiratory system?

It is a biological fact that human stomach produces acid. Which of the following is not a role of hydrochloric acid produced by the stomach?

Villi are adapted for the maximum absorption of digested food molecules. Which property makes them suitable for the same?

Site of transfer of oxygen and other nutrients from the bloodstream to other tissues in the body is

It is practically impossible to kill a sponge. This is due to the process of

"These are very beneficial for an organism while reproducing. These are distributed easily by air to far-off places to avoid competition at one place. Large numbers are produced in a single sporangium and they are also covered with thick walls to avoid dehydration."

From the passage of the arguments given above, find out the unit of reproduction being discussed.

Consider the statements given below regarding biomagnification and choose the correct option that follows.

Statement I: Biomagnification is the increasing concentration of a substance, such as a toxic chemical in the tissues of an organism.
Statement II: Bioaccumulation occurs within a trophic level whereas biomagnification occurs across trophic (food chain) levels.

A highly polluted city will not show the growth of

The presence of which of the following metals causes the teeth of the children to discolour?

The structure that prevents the acidic contents of the stomach from moving upward into the esophagus is

The primary form of sugar transported from the site of photosynthesis to the rest of the plant is

The pathway which is common to both aerobic and anaerobic pathways of respiration is

Match the below mentioned parts of human heart in column I with their appropriate functions in column II.

Urea, the principal nitrogenous excretory compound in humans, is synthesised