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Question : In ecology, _________ is determined by dividing the biomass per unit area by the age of the forest ecosystem.
Option 1: biomass density
Option 2: biomass size
Option 3: biomass energy flow
Option 4: biomass productivity
Correct Answer: biomass productivity
Solution : The correct answer is biomass productivity.
In ecology, biomass productivity is determined by dividing the biomass per unit area by the age of the forest ecosystem. This calculation helps assess the rate at which biomass, or the total mass of living organisms in a
Question : Three boys, on average, are 25 years old, and their ages are in the ratio of 3 : 5 : 7. What is the age of the youngest boy?
Option 1: 24 years
Option 2: 21 years
Option 3: 12 years
Option 4: 15 years
Correct Answer: 15 years
Solution : The average age of the three boys is 25 years, which means the total age of the three boys is 25 × 3 = 75 years Their ages are in the ratio 3 : 5 : 7. The sum of the ratios is 3
Question : When did the first elected Lok Sabha come into existence in India?
Option 1: January, 1952
Option 2: April, 1952
Option 3: November, 1950
Option 4: November, 1949
Correct Answer: April, 1952
Solution : The correct answer is April 1952.
The First General Elections were held in India between October 25, 1951, and February 21, 1952. India's first general election resulted in the formation of the First Lok Sabha on April 17, 1952. The first Lok
Question : Select the most appropriate ANTONYM of the underlined word. The colossal building stood amidst the ruins, bearing signs of Victorian architecture.
Option 1: Enormous
Option 2: Extraordinary
Option 3: Quaint
Option 4: Tiny
Correct Answer: Tiny
Solution : The fourth option is the correct choice.
The underlined word colossal in the given sentence implies a massive or enormous size, describing the building amidst the ruins. The antonym tiny is suitable because it signifies the opposite end of the size spectrum, denoting something very
Question : Techniques of making silk were first invented in China around _____ years ago.
Option 1: 7000
Option 2: 3000
Option 3: 9000
Option 4: 5000
Correct Answer: 7000
Solution : The correct option is 7000.
The techniques for making silk were indeed first invented in China. The techniques for making silk involve the cultivation of silkworms, primarily Bombyx mori species. The process includes feeding the silkworms mulberry leaves, harvesting their silk-producing cocoons, and then
Question : Directions: Select the option that is related to the third letter cluster in the same way as the second letter cluster is related to the first letter cluster. PORCH : IDSPQ :: MOIST : ?
Option 1: UTJQO
Option 2: OMITS
Option 3: OPJTU
Option 4: UTJPN
Correct Answer: UTJPN
Solution : Given: PORCH : IDSPQ :: MOIST : ?
Follow the pattern to obtain the required code –
Thus, PORCH is coded as IDSPQ. Similarly, follow the same pattern for MOIST –
Thus, MOIST is coded as UTJPN. Hence, the fourth option is correct.
Question : A shopkeeper sells rice at 10% profit and uses a weight that is 30% less than the actual measure. His gain percentage is:
Option 1: $57\frac{1}{8}\%$
Option 2: $57\frac{1}{7}\%$
Option 3: $57\frac{2}{5}\%$
Option 4: $57\frac{3}{7}\%$
Correct Answer: $57\frac{1}{7}\%$
Solution : Let the cost price (CP) of 1 kg. of rice be Rs. 100. As he uses 30% less weight and sells at 10% profit, Selling price (SP) of (1000 – 300) = 700 gm of rice = Rs. 110 ⇒ SP of 1000 gm of
Question : Choose the word that can substitute for the given group of words.
Beginning to exist; recently formed or developed
Option 1: Herald
Option 2: Blasphemy
Option 3: Knave
Option 4: Nascent
Correct Answer: Nascent
Solution : The correct choice is the fourth option.
Explanation: The word nascent describes something that is in the process of being born or coming into existence. It accurately captures the meaning of beginning to exist or recently formed or developed.
Therefore, the correct one-word
Question : About how much of the world's land area is tropical rainforest?
Option 1: 2 per cent
Option 2: 7 per cent
Option 3: 10 per cent
Option 4: 15 per cent
Correct Answer: 7 per cent
Solution : The correct answer is 7 per cent.
Tropical rainforests are the most diverse and productive land-based ecosystems. It is usually found in tropical regions that have an abundance of rain and sunlight. About 6–7 per cent of the total land area of
Question : If $\sqrt{0.04\times 0.4\times a}=0.004\times 0.4\times \sqrt{b},$ then the value of $\frac{a}{b}$ is:
Option 1: $16\times 10^{-3}$
Option 2: $16\times 10^{-4}$
Option 3: $16\times 10^{-5}$
Option 4: $16 \times 10^{-6}$
Correct Answer: $16\times 10^{-5}$
Solution : $\sqrt{0.04\times 0.4\times a}=0.004\times 0.4\times \sqrt{b}$ Squaring both sides, we get, $⇒0.04\times 0.4\times a=0.004^2\times 0.4^2\times {b}$ $⇒\frac{a}{b} = \frac{0.004 \times 0.004 \times 0.4 \times \times0.4}{0.04 \times 0.4}$ $⇒\frac{a}{b} = \frac{16}{10^{5}}$ $\therefore$ $\frac{a}{b} = 16 \times 10^{-5}$ Hence, the correct answer is $16 \times 10^{-5}$.
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