List of practice Questions

If A is a square matrix such that $A^2 = A$, then $(I + A)^3 $is equal to

If $2sin^{-1}x -3 cos^{-1}x =4, x∈ [-1,1] $ then $2sin^{-1}x +3cos^{-1}x $ is equal to

Let a, b, c, d and e be the observations with mean m and standard deviation S. The standard deviation of the observations a + k, b + k, c + k, d + k and e + k is

The angle between the line x + y = 3 and the line joining the points (1, 1) and (–3, 4) is

A body of mass $M$ is dropped from a height $h$ on a sand floor. If the body penetrates $x\, cm$ into the sand, the average resistance offered by the sand to the body is

Match list I with list II:

List-I (Nutrients)		List-II (Deficiency Disease)
(A)	Iron	(I)	Night blindness
(B)	Vitamin A	(II)	Goitre
(C)	Protein	(III)	Anemia
(D)	Iodine	(IV)	Kwashiorkor

Choose the correct answer from the options given below:

Kwashiorkor' is a caused by the deficiency of:

The bacterial disease of livestock eattle and buffalo ineludes which of the following?
A. Anthrax
B. Foot and mouth disease
C. Haenorhagic Septicemia
D. Rinderpest disease
E. Lumpy skin disease
Choose the correct answer froin the options given below:

Ranikhet disease is concerned with:

Identify the major cause of female migration in India.

Match List I with List II

LIST I Agricultural System		LIST II Region/Countries
A	Mixed farming	I	Mediterranean region
B	Dairy farming	II	North-Western Europe
C	Mediterranean Agriculture	III	New Zealand and Tasmania
D	Viticulture	IV	Southern coast of Europe and North Africa

Choose the correct answer from the options given below:

Petroleum is referred to as due to its scarcity and diverse use ______.

What is health effect of excess fluoride in drinking water ?

Arrange the events in order of land transport development:
1. Animals were used as beasts of burden
2. Invention of wheel, use of carts and wagons
3. railway line development and transport
4. Human beings as carriers
Choose the correct answer from the options given below:

The term "hidden hunger" is used for __________

Which deficiency is the most common cause of childhood blindness?

Identify the push factors of migration from the following:
A. Unemployment
B. Political turmoil
C. Peace and Stability
D. Socio-economic backwardness
E. Security of life and poverty
Choose the correct answer from the options given below:

Match List -I with List-II

	List -I		List-II
A	Albuminous seed	I	Groundnut
B	Parthenocarpic Fruit	II	Apple
C	Non-albuminous sees	III	Castor
D	False Fruit	IV	Banana

Choose the correct answer from the option given below:

The Credit of inventing soap by using Mustard oil and some alkalies goes to which of the following scientist?

Which of the planet have no satellite ?
(A) Mercury
(B) Neptune
(C) Satrun
(D) Venus
Choose the correct answer from the options given below:

The first person to use crystal for radio wave detection was:

The first satellite in space was launched by:

What is the past tense of refer?

An A.P. consists of n (odd terms) and its middle term is m. Then the sum of the A.P. is

The natural reservoir of phosphorus is