Questions

Q:

The movement of water molecules through the plasma membrane is called ______.

 

A) Osmosis B) Sedimentation
C) Precipitation D) Transpiration
 
Answer & Explanation Answer: A) Osmosis

Explanation:
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Filed Under: Chemistry
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0 39260
Q:

The relative density of a substance is the ____.

 

A) ratio of its density to the density of water B) ratio of the density of water to its density
C) product of the density of water to its density D) ratio of the volume of water to its volume
 
Answer & Explanation Answer: A) ratio of its density to the density of water

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Filed Under: Physics
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Q:

An object is placed at the centre of curvature of a concave mirror. Its image is formed at

 

A) a point beyond centre of curvature B) a point between focus and centre of curvature
C) the centre of curvature D) the focus
 
Answer & Explanation Answer: B) a point between focus and centre of curvature

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Filed Under: Physics
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Q:

What is 12 S of the Z?

Answer

12 S of Z represents 12 Signs of the Zodiac. 


It is similar to the  


1. 52 W in a Y        -  52 weeks in a year  


2. 3 H in a C          3 Hands in a Clock  


3. 3600 S in an H   -  3600 Seconds in an Hour 


4. 5 O in the W      -   5 Oceans in the World

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119 39145
Q:

Among the components of the dermis are:

a. sweat glands

b. hair follicles

c. collagen fibers

d. sensory- nerve endings

e. arrestor pill muscles

A) a, b, d B) a, b, c, d, e
C) a, b, c, e D) a, c, d
 
Answer & Explanation Answer: B) a, b, c, d, e

Explanation:

The dermis is a layer of the skin of the integumentary system. The dermis lies deep to the superficial epidermis which is also the most superficial layer of the skin. The dermis lies superficial to the underlying hypodermis which is also referred to as subcutaneous tissue.

Among the components of the dermis are: sweat glands, hair follicles, collagen fibers, sensory- nerve endings and arrestor pill muscles.

 

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Filed Under: Biology
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Q:

Find the similarity in the following :

 

Carbon, Silicon, Boron, Arsenic

 

A) All of them are gases B) All of them are non-metals
C) All of them are metals D) No similarity
 
Answer & Explanation Answer: B) All of them are non-metals

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Q:

Which shows the order in which vertebrates evolved?

 

 

A) fish, reptiles, amphibians, birds, mammals   B) amphibians, fish, reptiles, birds, mammals  
C) amphibians, fish, birds, reptiles, mammals   D) fish, amphibians, reptiles, birds, mammals
 
Answer & Explanation Answer: D) fish, amphibians, reptiles, birds, mammals

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Filed Under: Biology
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Q:

Which of the following statements are CORRECT?

 

I. Oxides of metals are generally basic.

II. Oxides of non-metals are generally acidic.

III. Non-metals are generally electro positive.

 

A) Only I and II B) Only I and III
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: A) Only I and II

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