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DSSSB TGT Science Test 90
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DSSSB TGT Science Test 90
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  • Question 1/15
    1 / -0.25

    Directions For Questions

    Directions: In this following question, from the given alternatives select the word which cannot be formed by using the letters of the given word.

    ...view full instructions

    If PEAR is written as GFDN, how is REAP written in this code?
    Solutions
    therefore,
    Thus, REAP will be written as NFDG in code.
  • Question 2/15
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    If ‘+’ means ‘÷’, ‘x’ means ‘-‘, ‘÷’ means ‘+’ and ‘-‘ means ‘x’, then
    16 ÷ 8 x (6 – 2 + 12) = ?
    Solutions
    Applying the conditions The correct equation is 16 + 8 – (6 * 2/12) = ?.
    Applying BODMAS rule, the answer is 23.
  • Question 3/15
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    Which is the highest gallantry award in India?
    Solutions
    The Param Vir Chakra (PVC) is India's highest military decoration awarded for the highest degree of valour or self-sacrifice in the presence of the enemy.
  • Question 4/15
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    The earth moves on its axis
    Solutions
    We know that "the sun rises in the East and sets in the West", which means that the Earth is rotating from West to East.
    Hence, option A is correct.
  • Question 5/15
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    If a man covers  part of a circular track in m minutes, at the same rate, how many minutes does he take to complete one revolution around the entire track?
    Solutions

    Since distance and speed are directly proportional to each other therefore



    Therefore




  • Question 6/15
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    15 men can complete a work in 40 days working 8 hours per day. In how many hours can one man complete the same work?
    Solutions

    More is the number of men who work less will be the number of hours taken by them to complete the work.

    15 × 40 × 8 = 1 × x

    ⇒ x = 4800 hours

  • Question 7/15
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    ‘’किसी से हाथ मत मिलाना’’ रेखांकित शब्द में सर्वनाम बताइए-
    Solutions

    ‘’किसी से हाथ मत मिलाना’’ वाक्य मे 'किसी' शब्द में किसी घटना या किसी के होने की प्रतीति हो रही है। किंतु वास्तविकता निश्चित नहीं हो रही है। अतः यह अनिश्चयवाचक है।

    अनिश्चयवाचक सर्वनाम - जिस सर्वनाम से किसी निश्चित व्यक्ति या पदार्थ का बोध नहीं होता, उसे अनिश्चयवाचक सर्वनाम कहते हैं। जैसे- कोई, कुछ न कुछ आदि ।

    अन्य तथ्य-

    सर्वनाम - संज्ञा के स्थान पर जिन शब्दों का प्रयोग किया जाता है, उन्हें ‘सर्वनाम’ कहते हैं।

    हिन्दी में सर्वनामों की संख्या 11 हैं (मैं, तू, आप, यह, वह, जो, सो, कोई, कुछ, कौन, क्या)

    1.पुरूषवाचक - मैं, तू, वह, हम, मैंने

    2.निजवाचक - आप

    3.निश्चयवाचक - यह, वह

    4.अनिश्चयवाचक - कोई, कुछ

    5.संबंधवाचक - जो, सो

    6.प्रश्नवाचक - कौन, क्या

  • Question 8/15
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    "मुदित महीपति मंदिर आये । सेवक सचिव सुमंत बुलाए ।।" दिए गए पद में कौन सा अलंकार है?
    Solutions
    दिए गए पद में अनुप्रास अलंकार है। जब किसी काव्य को सुंदर बनाने के लिए किसी वर्ण की बार-बार आवृति हो तो वहाँ अनुप्रास अलंकार कहलाता है। इससे वाक्य की सुन्दरता बढ़ जाती है। प्रश्न में दिए गए वाक्य में भी म एवं स वर्ण की आव्रति एक से अधिक बार हो रही है इसीलिये दिए गए पद में अनुप्रास अलंकार है।
    एक और अन्य उदाहरण के माध्यम से हम इसे समझा सकते हैं ।
    “चारु चन्द्र की चंचल किरणें खेल रही थी जल थल में।”
  • Question 9/15
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    Convert the speech of the given sentence:

    She said that she made breakfast today.

    Solutions
    The given sentence is in indirect speech. Its direct speech is: She said, “I made breakfast today.” While changing from direct to indirect speech, simple past tense sentence changes into past perfect tense. The structure of the new past perfect tense sentence becomes (subject+had+3rd form of verb + object).

  • Question 10/15
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    Which of the following sentence has a ‘modal’ verb?
    Solutions

    Modals are verbs used to express the mood or attitude of the speaker. Here, for given sentence ‘would’ carries the sense of request or offer. All the other given options are inappropriate. So, the correct answer will be: Would you like a cup of tea?


  • Question 11/15
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    Soluble vitamin pair in the water is
    Solutions
    B-complex vitamins and vitamin C are water-soluble vitamins that are not stored in the body and must be replaced each day. These vitamins are easily destroyed or washed out during food storage and preparation.
  • Question 12/15
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    Directions For Questions

    Directions: Answer the following questions by selecting the most appropriate option.

    ...view full instructions

    What is the main constituent of natural gas?
    Solutions
    Natural gas is a hydrocarbon gas mixture consisting primarily of methane, but commonly includes varying amounts of other higher alkanes, it is also the main source of helium (2-7%) and sometimes a usually lesser percentage of carbon dioxide, nitrogen, and/or hydrogen sulfide.
  • Question 13/15
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    When electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates
    Solutions
    When electric current is passed through a conducting solution, there is a change of colour of the solution due to some chemical reaction which take place in the solution. This is called chemical effect of electric current.
  • Question 14/15
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    Allantois of Embryo helps in ________.
    Solutions
    • Allantois of Embryo helps in excretion.
    • It helps the embryo exchange gases and handles liquid waste. 
    • The allantois is a sac-like structure that forms near the posterior of the embryo.
  • Question 15/15
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    Respiration is regarded as a _____.
    Solutions
    Cellular respiration is also a catabolic process because it breaks the small molecules from digestion into even smaller ones as ATP is created
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