IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: Who among the following took over as the 25th Director General of the Border Roads(DGBR) ? 1293 0

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    Lt. Gen. Suresh Sharma
    सही
    गलत
  • 2
    Lt. Gen. David R. Syiemlieh
    सही
    गलत
  • 3
    Lt. Gen. Srikanth Mishra
    सही
    गलत
  • 4
    Lt. Gen. Sanjeev Kumar Shrivastava
    सही
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उत्तर : 4. "Lt. Gen. Sanjeev Kumar Shrivastava"
व्याख्या :

Answer: D) Lt. Gen. Sanjeev Kumar Shrivastava Explanation: Lt. Gen. Sanjeev Kumar Shrivastava took over as the 25th Director General of the Border Roads (DGBR). He has replaced Lt. Gen. Suresh Sharma. Prior to it, he was holding the appointment of Director General Combat Engineers at Integrated Headquarters of Ministry of Defence(Army).

प्र: What process never occurs in interphase? 1293 0

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उत्तर :
व्याख्या :

Absence of cell division is the process that never comes in interphase.

प्र: 3 : 12 :: 5 : ? 1293 0

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    17
    सही
    गलत
  • 2
    30
    सही
    गलत
  • 3
    26
    सही
    गलत
  • 4
    32
    सही
    गलत
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उत्तर : 2. "30"
व्याख्या :

Answer: B) 30 Explanation: 332 + 3 = 12552 + 5 = 30

प्र: Which of the following country has re-elected as the member of the UNESCO's executive board? 1292 0

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    Pakistan
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  • 2
    India
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    गलत
  • 3
    Myanmar
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    गलत
  • 4
    Nepal
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उत्तर : 2. "India"
व्याख्या :

Answer: B) India Explanation: India was re-elected as member of executive board of United Nations Educational, Scientific and Cultural Organization (UNESCO). Executive board is UNESCO's top decision-making body. The election was held at 39th session of General Conference of UNESCO in Paris, France.    UNESCO is UN association that helps safeguard historical and cultural sites around the world. It is special multi-nation organization, framed in 1945 and situated in France. It promotes literacy and sex education as well as improving gender equality in countries around world. The General Conference determines policies and main lines of work of organisation. Its duty is to set programmes and budget of UNESCO. It also elects members of executive board and appoints, every four years, director-general.

प्र: Tribal Cooperative Marketing Development Federation of India Limited (TRIFED) has celebrated 'World Honey Bee Day' on ? 1291 0

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    19th Augusrt
    सही
    गलत
  • 2
    21st August
    सही
    गलत
  • 3
    D) has celebrated 'World Honey Bee Day' on ? A) 19th Augusrt B) 21st August C)
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  • 4
    has celebrated 'World Honey Bee Day' on ? A) 19th Augusrt B) 21st August C) 18th August D) 16th August
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उत्तर : 1. "19th Augusrt"
व्याख्या :

Answer: A) 19th Augusrt Explanation:

प्र: Which is an example of Phototropism? 1291 0

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    roots of a plant following water
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    plant bending toward the light
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    roots growing into the soil
    सही
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  • 4
    a venus flytrap capturing a fly
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उत्तर : 2. "plant bending toward the light"
व्याख्या :

Answer: B) plant bending toward the light Explanation: Phototropism is the ability of a photosynthesizing organism, to grow directionally in response to a light source. It is very common in plants, but can also occur in other organisms such as fungi. Example :: Sunflower

प्र: Plant development is influenced by 1291 0

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    quality, quantity and duration of light
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  • 2
    quality and duration of light
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  • 3
    quality and quantity of light
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  • 4
    quality of light only
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उत्तर : 1. "quality, quantity and duration of light"
व्याख्या :

Answer: A) quality, quantity and duration of light Explanation: Plants and animals are separated by about 1.5 billion years of evolutionary history. They have evolved their multicellular organization independently but using the same initial toolkit — the set of genes inherited from their common unicellular eucaryotic ancestor. Two basic peculiarities of plants are: First, they get their energy from sunlight, not by ingesting other organisms. This dictates a body plan different from that of animals. Second, their cells are encased in semirigid cell walls and cemented together, preventing them from moving as animal cells do. This dictates a different set of mechanisms for shaping the body and different developmental processes to cope with a changeable environment. Because they cannot match themselves to their environment by moving from place to place, plants adapt instead by altering the course of their development. Their strategy is opportunistic. A given type of organ—a leaf, a flower, or a root, say—can be produced from the fertilized egg by many different paths according to environmental cues.   Hence, Plant development is influenced by quality, quantity and duration of light.

प्र: Who has been appointed as the first woman Secretary General of the Lok Sabha? 1291 0

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    Rama Devi
    सही
    गलत
  • 2
    Sumitra Mahajan
    सही
    गलत
  • 3
    Anupama Kare
    सही
    गलत
  • 4
    Snehlata Shrivastava
    सही
    गलत
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उत्तर : 4. "Snehlata Shrivastava"
व्याख्या :

Answer: D) Snehlata Shrivastava Explanation: Snehlata Shrivastava, appointed as the first woman Secretary General of the Lok Sabha. The appointment was made by Lok Sabha Speaker Sumitra Mahajan. Ms. Shrivastava will replace Anoop Mishra, who retired on November 30, 2017.  Ms. Shrivastava, a senior civil servant with 35 years of rich and varied administrative experience is a 1982 batch IAS officer from the Madhya Pradesh cadre. Rama Devi holds the distinction of the being the first woman secretary general of the Rajya Sabha.

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