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Question : Which cell organelles are the site of photosynthesis and also contain chlorophyll?
Option 1: Chloroplast
Option 2: Vacuole
Option 3: Cytoplasm
Option 4: Nucleolus
Correct Answer: Chloroplast
Solution : The correct option is Chloroplast.
A chloroplast is a specialised organelle found in plant and algal cells. It is a photosynthesis site where light energy is collected and turned into chemical energy via intricate molecular events. Chloroplasts contain chlorophyll, the green pigment found in plants
Question : The process of depositing a layer of any desired metal on another material using electricity is called _________.
Option 1: electroplating
Option 2: galvanisation
Option 3: rusting
Option 4: crystallisation
Correct Answer: electroplating
Solution : The correct option is electroplating.
Electroplating is depositing a thin metal coating onto the surface of another material using an electric current. It is widely used for ornamental, useful, and protective purposes. Examples include gold plating for jewellery, and chrome plating for automotive parts.
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 Grim Reaper seems to have (1)___________ in Europe during the 14th century. It was during this time that Europe was dealing with what was then the world's (2)__________ pandemic, the Black Death, believed to be the result of the plague. It is estimated that about one-third of Europe's entire population (3)_____________ as a result of the pandemic, with some areas of the continent suffering far greater losses than others. The original outbreak of the plague occurred during 1347-51, and outbreaks then (4)_____________ several other times after that. So, death was something that the surviving Europeans had on their mind, and it is not surprising that they (5)___________ an image to represent it.
Question: Select the most appropriate option to fill in the blank number 3.
Option 1: vanished
Option 2: shriveled
Option 3: perished
Option 4: mouldered
Correct Answer: perished
Solution : The correct choice is the third option.
"Perished" means to die suddenly or violently, and it correctly fits according to the context of the sentence that one-third of Europe's population died due to the plague.
Therefore, the complete sentence is: "It is estimated that about
Question : Directions: In a certain code language, PRINT is coded as 38724 and NITRO is coded as 23687. What is the code for O in the given code language?
Option 1: 3
Option 2: 4
Option 3: 6
Option 4: 8
Correct Answer: 6
Solution : Given: 1. PRINT ⇒ 38724 2. NITRO ⇒ 23687
By comparing the coded words, we find that – In words 1 and 2, R, I, N, T and 3, 8, 7, 2 are common. The remaining letters and code in word 1 are P and
Question : In $\triangle A B C,$ P and Q are the middle points of the sides AB and AC, respectively. R is the point on the segment PQ such that PR : RQ = 1 : 3. If PR = 6 cm, then BC is:
Option 1: 46 cm
Option 2: 48 cm
Option 3: 44 cm
Option 4: 50 cm
Correct Answer: 48 cm
Solution : Given, PR ∶ RQ = 1 ∶ 3 and PR = 6 cm Let the PR and RQ be $x$ and $3x$ respectively. According to the question, ⇒ PR = $x$ = 6 cm [Given] ⇒ RQ = $3x$ = 3 $×$ 6 =
Question : Which of the following is the lowest ratio?
Option 1: 3 : 22
Option 2: 23 : 29
Option 3: 17 : 5
Option 4: 5 : 19
Correct Answer: 3 : 22
Solution : 3 : 22 = $\frac{3}{22}$ = 0.13 23 : 29 = $\frac{23}{29}$ = 0.79 17 : 5 = $\frac{17}{5}$ = 3.4 5 : 19 = $\frac{5}{19}$ = 0.26 So, the lowest value is 0.13. Hence, the correct answer is 3 : 22.
Question : In a circle with a radius of 20 cm, X is a point located at a distance of 29 cm from the centre of the circle. What will be the length (in cm) of a tangent drawn from point X to the circle?
Option 1: 23
Option 2: 20
Option 3: 21
Option 4: 18
Correct Answer: 21
Solution :
We know the theorem states that the tangent is perpendicular to the radius of a circle$(\angle T=90^{\circ})$. Let, $OT=20\text{ cm}$ $OX=29\text{ cm}$ In $\triangle OTX$ According to the Pythagoras' theorem, $OX^2 = OT^2 + TX^2$ ⇒ $TX = \sqrt{OX^2 - OT^2} = \sqrt{(29)^2 - (20)^2}
Question : How was Burma (now Myanamar) known to ancient Indians ?
Option 1: Malayamandalam
Option 2: Yavadwipa
Option 3: Suvarnabhumi
Option 4: Suvarnadwipa
Correct Answer: Suvarnabhumi
Solution : Correct Answer is Suvarnabhumi
Suvarnabhumi is a Sanskrit phrase that means "Golden Land" or "Land of Gold" and was coined by the ancient Indians to refer to the Southeast Asian region that includes Lower Burma, Lower Thailand, Lower Malay Peninsula, and Sumatra. Although it appears
Question : Which of the following is not a factor impacting India's climate?
Option 1: Himalayan Mountains
Option 2: Sahara Desert
Option 3: Indian Ocean
Option 4: Western Ghats
Correct Answer: Sahara Desert
Solution : The correct option is the Sahara Desert.
India's climate is not affected by the Sahara Desert. The Sahara Desert is not directly connected to the climate of India; it is found in North Africa, namely in nations like Algeria, Libya, and Sudan. India's
Question : Directions: In the given question, a sentence is given with a blank to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
She had always hoped that her daughter would become _______ doctor.
Option 1: an
Option 2: the
Option 3: a
Option 4: none of the above
Correct Answer: a
The blank should be filled with the indefinite article a before the word "doctor", as the word starts with a consonant.
Therefore, the correct sentence is: She had always hoped that her daughter would become a
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