Questions

Q:

To resolve an object in an electron microscope,

A) the wavelength of the electrons must be close to the diameter of the object B) the wavelength of the electrons must be greater than the diameter of the object.
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) the wavelength of the electrons must be close to the diameter of the object

Explanation:
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Q:

cognitive psychology focuses on the study of

Answer

Cognitive psychology is the branch of psychology that studies study internal processes that include perception, attention, language, memory, and thinking.


Cognitive_psycology1532432926.jpg image


Cognitive psychology focuses on the way people process information.

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Q:

Which material provides warmth even when wet?

A) Cotton B) Wool
C) Nylon D) Silk
 
Answer & Explanation Answer: B) Wool

Explanation:
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Q:

Which of the following is a compound machine?

A) Screw B) Knife
C) Bicycle D) Ramp
 
Answer & Explanation Answer: C) Bicycle

Explanation:

Bicycle is a compound machine in the above given options. A compound machine is a machine that is formed by two or more simple machines.

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Q:

Receptors for hearing are located in the

A) Vestibule B) Tympanic membrane
C) Semicircular canals D) Cochlea
 
Answer & Explanation Answer: D) Cochlea

Explanation:

Receptors_for_hearing_are_located_in_the1537768165.jpg image

Receptors for hearing the organ of corti or the spiral organ is located in the the mammalian cochlea.

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Q:

Self pollination will lead to

A) Inbreeding B) Over breeding
C) Outbreeding D) Rare breeding
 
Answer & Explanation Answer: A) Inbreeding

Explanation:

Self pollination occurs in the flowers when the pollen grains of the flower falls on the stigma of the same due to wind or insects like moths and bees. This lead to the inbreeding.

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Q:

A genus can best be defined as

A) a taxon composed of one or more species and a classification level lying below family B) a taxon composed of families
C) the most specific taxon D) a taxon comprised of classes
 
Answer & Explanation Answer: A) a taxon composed of one or more species and a classification level lying below family

Explanation:

A genus can best be defined as a taxon composed of one or more species and a classification level lying below family.

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Q:

The only perennial river in Peninsular India is _____ .

A) Godavari B) Kaveri
C) Krishna D) Bhima
 
Answer & Explanation Answer: B) Kaveri

Explanation:
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