Staff Selection Commission Combined Graduate Level Exam
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer. Few people know that flowers use textures to ______ different kinds of insects.
Option 1: signal
Option 2: feel
Option 3: attract
Option 4: distract
Correct Answer: attract
Solution : The correct choice is the third option.
Explanation: Flowers use various textures, colours, and scents to attract different kinds of insects, such as bees or butterflies, for pollination. "Attract" accurately conveys the intended meaning of the sentence.
The meanings of the other options are as
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. Since the 17th century, manure has been utilised in agriculture. In those days, they didn't know how plants got the (1)________ they needed. They would toss wood debris, fish remains, and other side effects in an unfilled land to dispose of them. However, it wasn't long before people began to notice that the grass, bushes and shrubs there were beginning to (2)________ They came to the conclusion that the soil supplied the plants with the nutrients they needed and that organic remains could aid in this process. Because manure is (3)_______ from animals and plants, it not only provides a wide range of plant nutrients but also improves the structure of the soil. Farmers gradually began using fertilisers as well because they understood that if their farmlands were treated in a similar manner, the growth of their crops would also improve. It bonds the soil particles together to form soil crumbs, which are necessary for cultivating soil. Additionally, the addition of manure to the soil aids in the prevention of soil erosion and the loss of plant nutrients during precipitation. Commercial fertilisers, in contrast to manure, are inorganic (4)_______ that do not alter the structure of the soil. Their function is to provide the sprouting plants with additional nutrients. A farmer ought to know when and how to apply a particular kind of fertiliser. When the plants require a particular nutrient the most, use it. If fertilisers haven't been added correctly to the soil, their roots won't be able to take in a lot. Rainwater could wash away these fertilisers, or they could end up (5)________ the plants instead, costing the farmer money. Select the most appropriate option to fill in the blank no. 4.
Option 1: contents
Option 2: substances
Option 3: essences
Option 4: compositions
Correct Answer: substances
Solution : The correct choice is the second option.
Substances refer to material or matter with a specific composition, often used in a broad sense. In this context, this word accurately describes the nature of commercial fertilisers, as they are specific materials used to provide nutrients
Question : Directions: In this question, a part of the sentence is in bold. Below are given alternatives to the bold part at 1, 2, and 3 which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is 4.
Would you find one absent, please don't forget to leave a message behind.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Should is in place of if in formal situations. So, using should you find at the beginning of the sentence is a more formal and polite way to express the same idea. The other alternatives do not
Question : What happens to the atomic size as you go down the group?
Option 1: Triples
Option 2: Decreases
Option 3: Increases
Option 4: No change
Correct Answer: Increases
Solution : The correct option is Increases.
As you move down a group (vertical column) in the periodic table, the atomic size generally increases. Each new row in the periodic table represents the addition of a new electron shell. Electrons are arranged in these shells, and
Question : Select the most appropriate option for the given group of words.
Soil deposited by flowing water
Option 1: Humus
Option 2: Clay
Option 3: Loam
Option 4: Alluvium
Correct Answer: Alluvium
Solution : The fourth option is the correct choice.
Alluvium is the soil deposited by flowing water, typically found in riverbeds and floodplains. It is often rich in minerals and nutrients due to the deposition of sediment carried by the water.
The meanings of the other options
Question : The process through which excess of light energy is dissipated in photosynthesis is known as
Option 1: Quenching
Option 2: Scavenging
Option 3: Photolysis
Option 4: Photophosphorylation
Correct Answer: Quenching
Solution : The correct option is Quenching.
In photosynthesis, "quenching" refers to the act of releasing surplus energy, often as heat, in order to preserve the photosynthetic system from harm. This is referred to as "non-photochemical quenching (NPQ)" when excess light energy is dissipated by mechanisms that
Question : Comprehension:
Read the passage and answer the questions that follow.
The drainage systems of India are mainly controlled by the broad relief features of the subcontinent. Accordingly, the Indian rivers are divided into two major groups: the Himalayan rivers and the Peninsular rivers.
Apart from originating from the two major physiographic regions of India, the Himalayan and the Peninsular rivers are different from each other in many ways. Most of the Himalayan rivers are perennial. It means that they have water throughout the year. These rivers receive water from rain as well as from melted snow from the lofty mountains. The major Himalayan rivers are the Indus, the Ganga, and the Brahmaputra. These rivers are long and are joined by many large and important tributaries. A river along with its tributaries may be called a river system. The two major Himalayan rivers, the Indus and the Brahmaputra originate from the north of the mountain ranges. They cut through the mountains making gorges in the upper course. The perennial Himalayan rivers have long courses from their source to the sea. They perform an intensive erosional activity in their upper courses and carry huge loads of silt and sand with their swift current. In the middle and the lower courses, these rivers form meanders, oxbow lakes, levees, and many other depositional features in their floodplains as their speed slackens. They also have well-developed deltas.
A large number of the Peninsular rivers like the Godavari, Kaveri, and Krishna are seasonal, as their flow is dependent on rainfall. During the dry season when it doesn’t rain, even the large rivers have reduced flow of water in their channels. The Peninsular rivers have shorter and shallower courses as compared to their Himalayan counterparts. However, some of them originate in the central highlands and flow towards the west. Most of the rivers of peninsular India originate in the Western Ghats and flow towards the Bay of Bengal.
Question:
The drainage systems of India are controlled by:
Option 1: relief features
Option 2: erosional activity
Option 3: tributaries of rivers
Option 4: depositional features
Correct Answer: relief features
Solution : The correct choice is the first option.
Explanation: The passage explicitly states, "The drainage systems of India are mainly controlled by the broad relief features of the subcontinent." The drainage systems are influenced by the overall topography or relief features of the subcontinent, such
Question : Select the most appropriate option to fill in the blank.
________ are words which have the same spelling or pronunciation but not the same meaning.
Option 1: Acronyms
Option 2: Homonyms
Option 3: Synonyms
Option 4: Antonyms
Correct Answer: Homonyms
Solution : The most appropriate option to fill in the blank is the second option.
Homonyms are words that have the same spelling or pronunciation but different meanings.
Question : Nuts, vegetable oil, and fish are good sources of which of the following?
Option 1: Carbohydrates
Option 2: Minerals
Option 3: Healthy fats
Option 4: Proteins
Correct Answer: Healthy fats
Solution : The correct option is Healthy Fats.
Nuts, vegetable oil, and fish are good sources of healthy fats, particularly monounsaturated, and polyunsaturated fats, as well as essential fatty acids like omega-3 fatty acids found in fish.
Monounsaturated and polyunsaturated fats are considered good fats as
Question : What is formed when magnesium is burnt?
Option 1: Baking soda
Option 2: Calcium carbonate
Option 3: Ash
Option 4: Vinegar
Correct Answer: Ash
Solution : The correct option is Ash.
Magnesium (Mg) is an atomic number 12 chemical element with the symbol Mg. It is a lightweight, somewhat strong, and highly reactive silvery-white metal. When it is burnt, it produces a white powdery material known as magnesium oxide (MgO),
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