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Question : The volume of a sphere is given by 130977 cm3. Its surface area (in cm2) is:
Option 1: 16847
Option 2: 12474
Option 3: 17424
Option 4: 14274
Correct Answer: 12474
Solution : Volume of a sphere = $(\frac{4}{3}) × \pi r^3$, where $r$ is the radius of the sphere. ⇒ $(\frac{4}{3}) × (\frac{22}{7}) × r^3 = 130977$ ⇒ $r^3 = \frac{(130977 × 7 × 3)}{ (4 × 22)}$ ⇒ $r = \sqrt[3]{\frac{3×3×3×3×3×3×7×7×7×11}{2 × 2 × 2×11}}$ $\therefore
Question : Directions: Select the figure that will replace the question mark (?) in the following figure series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the given figure series, in every alternate box, the geometrical figures/ numbers/ letters shift their position following the below pattern – 1. From Box 1 to Box 2 – Bottom left→Bottom right→Top right→Top left→Bottom left; 9 shifts to S's position, S shifts to L's
Question : Directions: In a certain code language, DMCGH is written as CKZCC. How will TLFUP be written in that language?
Option 1: SJCQQ
Option 2: SJCKQ
Option 3: SCJQK
Option 4: SJCQK
Correct Answer: SJCQK
Solution : Given: DMCGH is written as CKZCC
Subtract the consecutive natural numbers from the place values of the letters of DMCGH to get the required code – D – 1 = C; M – 2 = K; C – 3 = Z; G – 4 =
Question : Which caves are considered the oldest surviving rock-cut caves in India dating back to the Maurya period?
Option 1: Barabar and Nagarjuni Caves
Option 2: Bagh Caves
Option 3: Elephanta Caves
Option 4: Ajanta and Ellora Caves
Correct Answer: Barabar and Nagarjuni Caves
Solution : The correct answer is Barabar and Nagarjuni Caves.
Barabar and Nagarjuni caves are considered the oldest surviving rock-cut caves in India. These rock-cut caves date back to the 3rd century BC, the Mauryan period. Also, these rock-cut caves are regarded as the
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.
Global warming is one of the biggest environmental (1)__________ facing the world today. The primary cause of global warming is the (2)___________ of greenhouse gases such as carbon dioxide and methane into the atmosphere. These gases trap heat from the sun, causing the Earth's temperature to rise. The (3)___________. effects of global warming are widespread and include more frequent and severe weather events, rising sea levels and the loss of biodiversity. Many governments and organisations have implemented (4)___________ to reduce greenhouse gas emissions. However, individuals can also play a role in (5)____________ global warming by making small changes to their daily habits, such as reducing their energy consumption and driving less.
Select the most appropriate option to fill in the blank no. 2.
Option 1: emission
Option 2: absorption
Option 3: reflection
Option 4: conduction
Correct Answer: emission
Solution : The correct choice is the first option.
The reason for this answer is that emission is the release or discharge of substances, in this case, greenhouse gases, into the atmosphere. It accurately reflects the process described in the passage where these gases contribute to global
Question : The following sentence has been split into four segments. Identify the segment that contains a grammatical error. This renowned / university provide / research opportunities / for students.
Option 1: university provide
Option 2: This renowned
Option 3: for students
Option 4: research opportunities
Correct Answer: university provide
Solution : The error lies in the first option.
The error lies in the subject-verb agreement. In this case, the subject university is singular, but the verb provide is plural. The correct form should be "provides" to ensure agreement between the singular subject and the singular
In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
Everything we know about non-avian dinosaurs is ________ (1) fossils, which include bones, teeth, footprints, tracks, eggs, and skin impressions. For centuries, people throughout the world have ________ (2) amazing fossilized bones and footprints. Early finds inspired_______ (3) and fairy tales, and people ________ (4) that these bones belonged to________ (5) or huge monsters.
Question:
Select the most appropriate option to fill in the blank number 5.
Option 1: spirits
Option 2: devils
Option 3: ghosts
Option 4: giants
Correct Answer: giants
Solution : The correct choice is the fourth option.
The most suitable word to complete the sentence would be "giants". The completed sentence would be: "These bones belonged to giants or huge monsters." This choice implies that the bones could have come from either beings of
Question : The most populous and oil-rich country in Africa is
Option 1: Kenya
Option 2: Sudan
Option 3: Nigeria
Option 4: Uganda
Correct Answer: Nigeria
Solution : The correct answer is Nigeria.
Nigeria is the most populated nation in Africa and the sixth most populous nation in the world with a population of over 211 million. Additionally, it ranks as the sixth-largest oil producer in the world and the biggest producer of
Question : Which of the following pairs is incorrectly matched?
Option 1: Bryophyta - Moss
Option 2: Angiosperms - Rose
Option 3: Pteridophyta - Cycas
Option 4: Gymnosperms - Pinus
Correct Answer: Pteridophyta - Cycas
Solution : The correct option is Pteridophyta - Cycas.
The pair Pteridophyta - Cycas is incorrectly matched. Pteridophyta is a division of plants that includes ferns, horsetails, and clubmosses, among others. Cycas, on the other hand, is a genus of plants that belongs to
Question : Microbial degradation of nitrates into atmospheric nitrogen is known as:
Option 1: Ammonification
Option 2: Nitrification
Option 3: Denitrification
Option 4: Putrefaction
Correct Answer: Denitrification
Solution : The correct answer is Denitrification.
Denitrification is the process of converting nitrates or nitrites in soil into elemental nitrogen gas. Pseudomonas, Thiobacillus, Micrococcus etc. are some common denitrifying bacteria found in atmosphere which help in completing nitrogen cycle.
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