Chemistry
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. Due to heavy rains, the match was called____.
Option 1: of
Option 2: off
Option 3: down
Option 4: out
Correct Answer: off
Solution : The second option is the correct answer.
"Call off" means to cancel something, especially an event. This is the only phrasal verb that fits the sentence appropriately.
"Call down" means to request or order someone to come down from a higher place.
"Call out" means
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For pursuing Bachelor's in Psychology in USA you will require successful completion of higher secondary from a recognized board. There is no specific requirement of pursuing a particular strean or a subject to be eligible for Bachelor's in Psychology in USA. Hence, all you need to do is score
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Learning more about molecular biology, genetic engineering, cell biology, and other biological topics is essentially what studying biochemistry teaches you. Very little research is done on actual chemistry in biochem.
Chemistry includes chemical laboratories for synthesis, material characterisation, purification, and related activities. Again, Biochem has more labs dedicated
Question : Directions: If I denotes ÷, J denotes ×, K denotes − and L denotes +, then what will come in place of (?) in the following equation? (35 I 5) J 9 K 23 L 39 K (3 J 8) = ?
Option 1: 60
Option 2: 59
Option 3: 51
Option 4: 55
Correct Answer: 55
Solution : Given: I denotes ÷, J denotes ×, K denotes −, and L denotes + (35 I 5) J 9 K 23 L 39 K (3 J 8) = ?
After replacing the letters with the mathematical signs, we get: = (35 ÷ 5) × 9
Question : Directions: Among 80 students, 24 passed in Chemistry, 35 passed in Physics, and 29 passed in Mathematics. 8 students did not appear for the examination. If 2 students have passed in all three subjects, 2 students have passed in Physics and Chemistry both but not in Mathematics, 2 students have passed in Chemistry and Mathematics both but not in Physics, and 8 students have passed in Physics and Mathematics both but not in Chemistry, then how many students have passed in Mathematics only?
Option 1: 19
Option 2: 18
Option 3: 20
Option 4: 17
Correct Answer: 17
Solution : Given: Use three circles representing the Venn diagram, where P denotes passed students of physics, C denotes passed students of chemistry and M denotes passed students of mathematics. In the below Venn diagram, the intersection of all three circle areas shows the students who passed
Question : In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express the same sentence in Indirect/Direct speech.
The chemistry teacher said, “Graphite is the softest element”.
Option 1:
The chemistry teacher told that Graphite would be the softest element.
Option 2: The chemistry teacher says that Graphite is the softest element.
Option 3: The chemistry teacher told that Graphite was the softest element
Option 4: The chemistry teacher said that Graphite is the softest element.
Correct Answer: The chemistry teacher said that Graphite is the softest element.
Solution : The correct answer is option 4.
The chemistry teacher said that Graphite is the softest element.
Explanation:
The statement that was quoted speaks universal truth in this case.
The reported speech's tense and syntax will remain
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.
The world is undergoing rapid changes in the knowledge landscape. With various dramatic scientific and technological advances, such as the rise of big data, machine learning, and artificial intelligence, many unskilled jobs worldwide may be taken over by machines, while the need for a skilled workforce, particularly involving mathematics, computer science, and data science, in conjunction with multidisciplinary abilities across the sciences, social sciences, and humanities, (1)________ increasingly in greater demand. With climate change, increasing pollution, and depleting natural resources, there will be a sizeable shift in how we (2)_______ the world's energy, water, food, and sanitation needs, again resulting in the need for new skilled labour, particularly in biology, chemistry, physics, agriculture, climate science, and social science. The growing (3)________ of epidemics and pandemics will also (4)_______ collaborative research in infectious disease management and development of vaccines, and the resultant social issues heighten the need for multidisciplinary learning. There will be a growing (5)__________ for humanities and art as India moves towards becoming a developed country as well as among the three largest economies in the world.
Question:
Select the most appropriate option to fill in the blank number 3.
Option 1: wane
Option 2: dissolution
Option 3: emergence
Option 4: need
Correct Answer: emergence
Solution : The third option is the correct choice.
The context of the sentence suggests that there is something growing related to epidemics and pandemics. Emergence fits well in this context, indicating the increasing occurrence or appearance of epidemics and pandemics.
The meanings of the other options
With your WBJEE score of 100 and Class 12 marks (62% overall, with Mathematics 46, Physics 61, and Chemistry 60), your chances of getting admission to Jadavpur University (JU) depend on several factors, including:
WBJEE Rank: A WBJEE score of 100 could place you within a rank range of
Question : What was a major impact of the ethnic conflict in Sri Lanka on the country's development?
Option 1: Increased tourism
Option 2: Enhanced agricultural productivity
Option 3: Prolonged civil war
Option 4: Rapid industrialization
Correct Answer: Prolonged civil war
Solution : A major impact of the ethnic conflict in Sri Lanka was a prolonged civil war, which severely hindered the country's development and led to significant loss of life and resources.
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