Questions

A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height of 2. m. During the collision, the per cent loss in the kinetic energy is

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

'Ooceraea joshii', is an Ant species recently discovered in which state?

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

The "Global Nutrition Report 2016" once again ____________ India's slow overall progress ____________ addressing chronic malnutrition, manifest in stunting (low weight for age), wasting (low weight for height), micronutrient __________ and over­weight. Our track _________ in reducing the proportion of undernourished children over the past decade has been modest at best, and _____________ what other countries with comparable socio­economic indicators have achieved.

The "Global Nutrition Report 2016" once again ____________

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: The depletion of organic nutrients in the soil has reached alarming proportions, thanks to indiscriminate use of chemical fertiliser in Green Revolution areas.
Q: As against an acceptable level of ‘soil organic carbon’ of well over 5 percent, soils in Punjab are said to have levels far below 1 percent.
R: Besides, 5.3 billion tonnes of soil is eroded annually, at a rate of 16.4 tonnes/hectare.
S: The nutrient imbalance has been skewed by the overuse of urea (N) vis-a-vis phosphatic (P in chemical parlance) and potassic (K) fertiliser.

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

In a work ____________ art, each layer and texture, colour ____________ perspective creates an individualistic vision, which can mean different things to different viewers and even to its creator at different points of time. The audience does not ____________ see the struggle or uncertainty of the _____________ process, only its outcome. And sometimes, ___________ in the case of icons, the passage of time reveals the glow within.

In a work ____________ art, each layer

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

The new civilisation of Righteousness and __________, and therefore of Brotherhood, of ordered Liberty, of Peace, of __________, cannot be built up until the elements are removed ______________ have brought the old civilisation crashing about our ears. _________________ is it necessary that the War shall be fought out to its appointed end, and that _______________ premature peace shall leave its object unattained.

crashing about our ears. _________________ is it necessary

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.