Questions

Q:

Propyne and propene can be distinguished by

A) AgNO₃ in ammonia B) conc. H₂SO₄
C) dil. KMnO₄ D) Br₂ in CCl₄
 
Answer & Explanation Answer: A) AgNO₃ in ammonia

Explanation:

Propene, being an alkene, and propyne, being a alkyne, are distinguished using the common chemical tests namely ammoniacal silver nitrate or ammoniacal cuprous chloride. Ammoniacal silver nitrate is also called as Tollen's reagent.

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Filed Under: Chemistry
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Q:

Which of the following is not a plant hormone?

A) Gibberellic B) Auxins
C) Cytokinins D) Thyroxin
 
Answer & Explanation Answer: D) Thyroxin

Explanation:
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Q:

Vocal chords in women are _______________ than vocal chords in men.

A) 5mm shorter B) 15mm shorter
C) 5mm longer D) 15mm longer
 
Answer & Explanation Answer: A) 5mm shorter

Explanation:
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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.


And then, a few glorious minutes ______________, it was time to reluctantly head ashore. ____________ time, the strokes were more fluid, the movements more relaxed. I turned back one last time ____________ hello to a clown fish, the reason why I came to the Andamans. As I watched, it played hide-and-seek _________ a sea anemone, before frisking away. Suddenly, I realised a kinship with the blue waters ___________ the Bay of Bengal.


____________ time, the strokes were more fluid

A) These B) Those
C) At D) This
 
Answer & Explanation Answer: D) This

Explanation:
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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Some with natural _______________ would love to be in a scenic view and stare out of the window. Those nestlings could one day become a great biologist __________ a wildlife photographer or landscape artist to earn fame. Some always love to chit-chat with friends or family: encourage them so they have the ability to ___________. It is a gift ____________ verbal or linguistic creativity when they can tell stories, write essays, and converse easily with people. This __________ opportunities to them to bean orator, writer, poet, scholar or teacher.

Some with natural _______________ would love to be in a scenic

A) create B) creation
C) creativity D) creating
 
Answer & Explanation Answer: C) creativity

Explanation:
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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives.


Enterprising skill is the ______________ of a teacher to see the perspective of the entire institution and the inter-relationships _____________ and between its parts. Itincludes the ability of a teacher to visualise the academic pursuit ___________ a holistic manner and consider a situation in totality. These skills involve _______________abstract and innovative ideas, constructing models and relationships, and anticipating the implications ________ actions.


Enterprising skill is the ______________ of a teacher to see

A) able B) ably  
C) ability D) capable
 
Answer & Explanation Answer: C) ability

Explanation:
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Q:

Triton is the moon of which planet?

A) Neptune B) Uranus
C) Saturn D) Venus
 
Answer & Explanation Answer: A) Neptune

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Filed Under: General Science
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Q:

A level of atmosphere which is composed partly of electrons and positive ions is called

A) Troposphere B) Ionosphere
C) Stratosphere D) Mesosphere
 
Answer & Explanation Answer: B) Ionosphere

Explanation:
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