NSO - Mock Test...

Which two signs should be interchanged to make the equation correct?

6 + (9 - 3) ÷ (8 + 1) × (7 - 4) = 24

Gurpartap has 5 holidays in between every consecutive exam. The first exam is on 26^th of February, which is a Friday. On which day will he have the next exam, if he has exams in a leap year?

Look carefully for the pattern, and then choose which pair of numbers comes next.

42 40 38 35 33 31 28

Aruna knows that her friend's anniversary is between 10^th and 15^th, and Sameer knows that it is between 12^th and 18^th, but they both know that it is on Sunday. If on 10^th it is Wednesday, then what is the exact date of the anniversary?

Pointing towards a girl, Sonu said, "She is the mother of my paternal grandfather's son." How is the girl related to Sonu?

Find the odd one out in the given series.

43, 88, 179, 358

Diamond is the allotrope of which of the following materials?

What happens if a magnet is left to itself over a long period of time?

In which of the following cases are the laws of reflection not violated?

(a) Reflection from a plane mirror
(b) Reflection from a round mirror
(c) Reflection from a water surface

Ritesh was working on a project regarding opaque objects. He made a list of opaque objects but was not sure whether all are opaque objects or not. Which one of the following is not an opaque object?

In which of the following cases will regular reflection not take place when a beam of light strikes it?

Piyush does not consume protein-rich food for a long time. Which of the following disorders can he face?

Which of the following statements is not true?

How do organisms living in the soil breathe?

An electrician uses a screw-driver to repair the electric devices. The handle of a screw-driver is usually made of

When HCl present in the stomach is secreted in a large quantity, it causes troubles. What is the remedy for this?

Light is a form of energy produced by a

Which of the following is/are the symptom(s) of Kwashiorkor?

An aqueous solution turns blue litmus solution red. The addition of excess of sodium hydroxide would reverse the change. What is the chemical nature of the solution before and after the addition of sodium hydroxide?

The stem(s) of which of the following plants is/are the source of food?

Which of the following is an ionically bonded molecule?

Pigments of photosynthesis are present in which organelle of the plant cell?

What is the cause of milkiness of limewater?

In a process of photosynthesis, plants take carbon dioxide and release oxygen. Which of the following is/are responsible for taking carbon dioxide from atmosphere?

Shelly is drinking orange juice and finds it sour. Which acid makes the orange juice taste sour?

What is the name of the process by which pure solids of copper sulphate can be obtained?

What is the other name of sundial, which was used to measure time in olden days?

Which part of amoeba is responsible for taking food inside the body?

Which of the following is not an example of reversible change?

Which one of the following pollutants causes ozone holes?

Which of the following can be separated by threshing?

In the given food chain, who is the secondary consumer?

Grass -> Grasshopper -> Frog -> Snake

Which of the following vitamin is required for clotting of blood?

Which of the following is incorrect regarding skeletal support system of different organisms?

Citrus fruits which are rich in vitamin C help in recovery of __________.

Skeleton of the body is the combination of which two components?

Match the parts (a, b, c, d) of the chart with the statements (1, 2, 3, 4) given below:

Match the parts (a, b, c, d) of the chart with the statements (1, 2, 3, 4) given below:

Find the missing components and their properties in the given chart.