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The correct answer is option 4.

Key Points

The misspelled word is 'Maintanence'.

• The correct spelling would be 'Maintenance'.
• The word 'maintenance' is a noun which means 'the process of maintaining or preserving someone or something'. (रखरखाव)
• For Example -
• Regular maintenance of the machinery is crucial to ensure its smooth functioning.
• Therefore, the correct answer would be 'Maintanence'.

Additional Information

Let's understand the meanings of the other marked words - 

• Guidance - advice or information aimed at resolving a problem or difficulty, especially as given by someone in authority (मार्गदर्शन)
• Corpulent - (of a person) fat (मोटा)
• Blasphemy - the act or offense of speaking sacrilegiously about God or sacred things; profane talk (ईशनिंदा)

The correct answer is: Option 2 i.e. Pale.

Key Points

• The word "Dusky" means somewhat dark in color, typically used to describe a complexion, sky, or environment that is dim or shadowy. (धुंधला, सांवला)
• Example: The dusky sky indicated that it was almost nightfall.
• "Pale" refers to a light or washed-out color, often used to describe a complexion that lacks color or is very light. (पीला, फीका)
• Example: After staying indoors for months, her skin appeared pale and lacking in color.
• Hence, we can infer that the synonym of 'dusky' is 'pale'.

Therefore, the correct answer is: Option 2 i.e. Pale.

Additional Information

Here are the other options explained along with their Hindi meanings and example sentences:

• Lucent (उज्ज्वल): Shining, glowing with light.
• Example: The lucent moonlight reflected off the surface of the lake.
• Beamy (उज्ज्वल): Radiant; full of light.
• Example: The beamy sun filled the room with warmth and light.
• Mystical (रहस्यमय): Having a spiritual, mysterious, or otherworldly quality.
• Example: The old forest had a mystical aura that fascinated everyone who visited.

The correct answer is: Option 2 i.e., 'Solar panels may also reflect bats’ echolocation calls.'

Key Points

• The word "reflect" means to throw back (light, heat, sound, or an image) without absorbing it. (परावर्तित करना)
• Example: The mirror can reflect sunlight directly into the room.
• The word "echolocation" refers to the biological sonar used by animals like bats to navigate and locate objects by emitting sound waves. (गूंज स्थानिकरण)
• Example: Bats rely on echolocation to hunt for insects in the dark.

Therefore, the correct answer is: Option 2.

Additional Information

Here are the other options explained along with their Hindi meanings and example sentences:

• Option 1: "relfect" is a spelling error; the correct spelling is "reflect." (परावर्तित करना)
• Example: The water seemed to relfect the blue of the sky. (Incorrect spelling)
• Option 3: "ecolocation" is a spelling error; the correct spelling is "echolocation." (गूंज स्थानिकरण)
• Example: Dolphins use ecolocation to detect objects underwater. (Incorrect spelling)
• Option 4: "palens" is a spelling error; the correct spelling is "panels." (पैनल्स)
• Example: The solar palens are installed on the roof. (Incorrect spelling)

The correct answer is 'Option 1'.

Key Points

• The word "Osteology" refers to the study of the structure and function of the skeleton and bones. It involves the recovery and interpretation of human skeletons. (अस्थि विज्ञान)
• It helps in forensic investigations and understanding human evolution and anthropology.
• Example: Osteology has provided insights into the diet and health of ancient civilizations through the study of skeletal remains.

Hence, the correct answer is 'Option 1'.

Correct Sentence: Osteology is an essential branch of biological anthropology that aids in identifying human remains.

Additional Information

• Option 2: "Ophthalmology" deals with the diagnosis and treatment of eye disorders. (नेत्र विज्ञान)
• Example: She consulted an ophthalmologist for her vision problems.
• Option 3: "Dermatology" is the branch of medicine concerned with the skin and its diseases. (त्वचा विज्ञान)
• Example: Dermatology treatments are essential for severe acne cases.
• Option 4: "Cytology" is the study of cells, their structure, function, and chemistry. (कोशिका विज्ञान)
• Example: Cytology plays a vital role in diagnosing cancer through cell examination.

The correct answer is: Option 3 i.e. Exultation.

Key Points

• The word "lament" means to express sorrow, mourning, or regret for often demonstratively; it can also refer to a passionate expression of grief or sorrow. (विलाप करना)
• Example: She lamented the loss of her beloved pet.
• "Exultation" refers to a feeling of triumphant elation or jubilation; rejoicing. (उल्लास)
• Example: His exultation was evident when he received the news of his promotion.
• Hence, we can infer that the opposite of 'lament' is 'exultation'.

Therefore, the correct answer is: Option 3 i.e. Exultation.

Additional Information

Here are the other options explained along with their Hindi meanings and example sentences:

• Repent (पश्चाताप करना): Feel or express sincere regret or remorse about one's wrongdoing or sin.
• Example: He repented for his harsh words after realizing they hurt her feelings.
• Deplore (निंदा करना): Feel or express strong disapproval of (something).
• Example: Many people deplore the use of violence in any form.
• Bewail (शोक करना): Express great regret, disappointment, or bitterness over (something).
• Example: They bewailed the lack of progress in their community project.

सही उत्तर - परिश्रम करने पर भी लाभ कम प्राप्त होना।

Key Points

• लोकोक्ति - जब कोई पूरा कथन किसी प्रसंग विशेष में उद्धत किया जाता है, लोकोक्ति कहलाता है। इसी को कहावत कहते है।
• जैसे - 'एक आँख से देखना' का अर्थ - सबको बराबर समझना, वाक्य प्रयोग - विनोद चाचा सभी को एक आँख से देखते है।
• अन्य विकल्प -

Additional Information

सही उत्तर है- अभिषेक ने

Key Points

• अशुद्ध वाक्य - अभिषेक ने हंसमुख स्वभाव और बाल सुलभ बातें सुनकर कमल हँस पड़ा।
• शुद्ध वाक्य - अभिषेक का हंसमुख स्वभाव और बाल सुलभ बातें सुनकर कमल हँस पड़ा।
• वाक्य में कारक संबंधित अशुद्धि है।

Additional Informationवाक्य अशुद्ध- शुद्ध के कुछ उदाहरण-

सही उत्तर - लेकर।

Key Points

• अशुद्ध वाक्य - लोमड़ी और भेड़िए में किसी बात को पर आपस में लड़ाई हो गई।
• शुद्ध वाक्य - लोमड़ी और भेड़िए में किसी बात को लेकर आपस में लड़ाई हो गई।
• वाक्य में शब्द चयन संबंधित त्रुटि थी।

Additional Informationवाक्यों में निम्नलिखित अशुद्धियाँ  होती है - 

• संज्ञा संबंधित वाक्य शुद्धि
• अशुद्ध - मैं रविवार के दिन तुम्हारे घर आऊँगा।
• शुद्ध - मैं रविवार को तुम्हारे घर आऊँगा।
• लिंग संबंधित अशुद्धियाँ
• अशुद्ध - सविता ने जोर से हँस दिया।
• शुद्ध - सविता जोर से हँस दी।
• वचन संबंधित अशुद्धियाँ
• अशुद्ध -मेरे आँसू से रूमाल भींग गया।
• शुद्ध - मेरे आँसुओं से रूमाल भींग गया।
• कारक संबंधित अशुद्धियाँ
• अशुद्ध - सब से नमस्ते।
• शुद्ध - सब को नमस्ते।
• सर्वनाम संबंधित अशुद्धियाँ
• अशुद्ध - आप आपका काम करो।
• शुद्ध - आप अपना काम करो।

जो आज्ञा का पालन करता हो - आज्ञाकारी।

Key Points

• वाक्यांश के लिए उपयुक्त शब्द - अनेक शब्दों के लिए एक शब्द को प्रयुक्त करना ही वाक्यांश के लिए एक शब्द कहलाता है।
• अन्य विकल्प -

Additional Informationकुछ महत्वपूर्ण वाक्यांश के लिए एक शब्द -

अपने मुँह मियाँ मिडू बनना मुहावरे का सही अर्थ - अपनी प्रशंसा स्वंय करना।

Key Points

• मुहावरा - ऐसे वाक्यांश, जो सामान्य अर्थ का बोध न कराकर किसी विलक्षण अर्थ को प्रकट करते है, उसे मुहावरा कहते है।
• उदाहरण के लिए - कुत्ते की मौत मरना  - बुरी तरह मरना।
• मुहावरे के अन्य उदाहरण -