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Question : If the value of $\operatorname{cosec} A + \cot A = m$, then the value of $\operatorname{cosec} A - \cot A$ is:
Option 1: $\frac{1}m$
Option 2: $m$
Option 3: $\sqrt{m}$
Option 4: $m^2$
Correct Answer: $\frac{1}m$
Solution : Given: $\operatorname{cosec} A + \cot A = m$ We Know that, $\operatorname{cosec}^2 A - \cot^2 A = 1$ $⇒(\operatorname{cosec} A - \cot A)(\operatorname{cosec}A + \cot A) = 1$ Substituting $m$ for $\operatorname{cosec} A + \cot A$, we get: $\therefore\operatorname{cosec} A - \cot A = \frac{1}{m}$
Question : What is the role of ribosomes of a polysome?
Option 1: The ribosomes synthesise the fats.
Option 2: The ribosomes of a polysome translate the mRNA into proteins.
Option 3: The ribosomes of a polysome translate the rRNA into proteins.
Option 4: The ribosomes of a monosome translate the rRNA into proteins.
Correct Answer: The ribosomes of a polysome translate the mRNA into proteins.
Solution : The correct option is The ribosomes of a polysome translate the mRNA into proteins.
Ribosomes are cellular structures that play a crucial role in the synthesis of proteins. The polyribosome is the name given to
Question : Comprehension: 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 blank. Snakes are elongated, legless, carnivorous 1. ______ that can be distinguished from legless lizards by 2. ______ lack of eyelids and external ears. 3. ______ species of snakes have skulls with several more joints than their lizard ancestors, 4. ______ them to swallow prey much larger than their heads with their highly mobile jaws. To accommodate their narrow bodies, snakes' paired organs (such as kidneys) appear one in front of the other instead of side 5. ______ side and most have only one functional lung. Select the most appropriate option to fill in the blank No.2.
Option 1: those
Option 2: them
Option 3: their
Option 4: there
Correct Answer: their
Solution : The correct answer is the third option.
In this context, their is a possessive pronoun that indicates ownership or possession. It refers to the features or traits associated with snakes, namely, the lack of eyelids and external ears.
Question : Select the most appropriate ANTONYM of the underlined word. The new principal of the school is stern, yet he understands the needs of his subordinates.
Option 1: Flippant
Option 2: Lenient
Option 3: Desolate
Option 4: Noxious
Correct Answer: Lenient
Solution : The correct choice is the second option.
Explanation: Stern refers to someone who is strict, firm, or uncompromising in their manner. Lenient, on the other hand, means being more permissive, gentle, or tolerant rather than strict or harsh. It contrasts with the idea of being
Question : Directions: In the following questions, some statements are given followed by two / three conclusions / Assumptions respectively. You have to consider the statement to be true, even if it seems to be at variance from commonly known facts. You are to decide which of the given conclusions can be drawn from the given statement. Indicate your answer. Statements: Pictures can tell a story. All storybooks have pictures. Some storybooks have words. Conclusions: I. Pictures can tell a story better than words can. II. The stories in the books are very simple. III: Some storybooks have both words and pictures.
Option 1: Only conclusion I follows
Option 2: Only conclusion II follows
Option 3: Only conclusion III follows
Option 4: Both conclusions I and II follow
Correct Answer: Only conclusion III follows
Solution : According to the above-given statement, Conclusion I: Pictures can tell a story better than words can. According to the given statements, pictures can tell a story, and all storybooks have pictures and some storybooks have words but it is not given that
Question : The equator represents:
Option 1: line joining the north and south poles.
Option 2: imaginary line passing around the Earth midway between the Northern Hemisphere and Southern Hemisphere.
Option 3: line joining tropic of cancer and tropic of Capricorn.
Option 4: the axis of rotation of the Earth.
Correct Answer: imaginary line passing around the Earth midway between the Northern Hemisphere and Southern Hemisphere.
Solution : The correct answer is an imaginary line passing around the Earth midway between the Northern Hemisphere and Southern Hemisphere.
The equator is an imaginary line that circles the Earth horizontally, dividing
Question : How many total medals were won by India at Tokyo Olympics 2020 (played in 2021)?
Option 1: Five
Option 2: Seven
Option 3: Six
Option 4: Eight
Correct Answer: Seven
Solution : The correct answer is Seven.
India bagged seven medals in total - 1 gold, 2 silver and 4 bronze. This was India's best medal haul ever at the Olympics.
Question : Select the most appropriate option to fill in the blank. The_____________ weapons which are easily available in the market are a big threat to the security of some nations.
Option 1: heated
Option 2: deadly
Option 3: casual
Option 4: valuable
Correct Answer: deadly
Explanation: Deadly means causing or being able to cause death or serious harm. In the context of discussing weapons and their threat to national security, deadly best describes the potential harm or danger they can cause.
The
Question : Select the sentence that is free from spelling errors.
Option 1: One needs to abide by certain instructions in every society.
Option 2: One needs to adide by certain instructions in every society.
Option 3: One needs to abide by certain instructiones in every society.
Option 4: One needs to abide by certain instructions in every socity.
Correct Answer: One needs to abide by certain instructions in every society.
Solution : The correct choice is the first option.
The sentence with no spelling error is: One needs to abide by certain instructions in every society.
The second option contains the incorrect spelling "adide" whereas the correct
Question : Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’. With tear eyes, she said goodbye to her dear friend
Option 1: teary eyes
Option 2: tear up eyes
Option 3: No substitution required
Option 4: tearing eyes
Correct Answer: teary eyes
Solution : The correct option is the first option.
Explanation: Teary eyes accurately describe the condition of the eyes filled with tears, which fits the context of saying goodbye to a dear friend.
Therefore, the correct sentence would be, "With teary eyes, she said goodbye
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