The mechanical breakdown of food occurs in the
A.  Mouth and stomach
B.  Mouth and small intestine
C.  Mouth
D.  Stomach


Name the hardest material present in the body?
A.  Dentin
B.  Pulp
C.  Enamel
D.  None of the above

Diarrhea takes place due to
A.  Biting by mosquitoes
B.  Eating contaminated food
C.  Using infected syringes
D.  Cold

If pancreas is removed, the compound which remains undigested is......
A.  Proteins
B.  Carbohydrates
C.  Fats
D.  All of these

Most of the fat digestion occurs in.........
A.  Rectum
B.  Stomach
C.  Duodenum
D.  Small intestine


Name the process of gaseous exchange in the body.
A.  Lymphatic system
B.  Respiration
C.  Cardiovascular System
D.  Respiratory system 


Nose, larynx, pharynx, lungs, trachea and bronchi are the parts of the.........
A.  Lymphatic system
B.  Respiration
C.  Cardiovascular System
D.  Respiratory system 


Due to the contraction of bronchi it is difficult to …
A.  Inhale
B.  Exhale
C.  Breathe
D.  Cough

What is the function Bile Juice Secreted by the liver
A.  It makes the food Alkaline
B.  It make the food acidic
C.  It breaks down the food
D.  None of the above


Food travels through these organs in the following…
A.  Mouth, Oesophagus, Stomach, small intestine, Large intestine, Anus
B.  Mouth, Oesophagus, Stomach, Large intestine, small intestine, Anus
C.  Mouth, Stomach Oesophagus, small intestine, Large intestine, Anus
D.  Mouth, Oesophagus, Stomach, Large intestine small intestine, Anus


In acids, blue litmus paper turns into
A.  Yellow
B.  Red
C.  Green
D.  Orange 


Which one among the following surfaces gives diffused reflection?
A.  Polished Metal Surface
B.  Calm Surface of Lake
C.  Mirror
D.  Roadway


A reaction in which heat energy is absorbed to the system is called
A.  Exothermic Reaction
B.  Endothermic Reaction
C.  Elimination Reaction
D.  Thermite Reaction

 
Rocks that contain fossils are ____
A.  Sedimentary Rocks
B.  Monzonite Rocks
C.  Carnelan Rocks
D.  None of these
 

A chemical process which changes vegetable oil into fat is called
A.  Combustion
B.  Hydrogenation
C.  Hydration
D.  Neutralization
  

Which among the following are known as food factories of plants?
A.  Stems
B.  Roots
C.  Leaves
D.  Roots

 
Cerebellum is a part of the brain which lies in:
A. Fore Brain
B.  Mid Brain
C.  Hind Brain
D.  Spinal Cord


Which among the following is not a secondary consumer?
A.  Lion
B.  Dog
C.  Wolf
D.  Goat


Sound travels in the form of waves called:
A.  Longitudinal Waves
B.  Transverse Waves
C.  Electromagnetic Waves
D.  Radio Waves


The pH scale is a measure of the acidity or alkalinity of a solution, and its ranges between:
A.  0-14
B.  1-10
C.  1-7
D.  1-4


Following are the examples of convex mirror except:
A.  Rear View Mirror
B.  Dentist Mirror
C.  Blind Corner Mirror
D.  Security Mirror


Which among the following is a source of clean energy?
A.  Coal
B.  Thermal
C.  Solar
D.  Diesel


Which one is non-renewable source of energy?
A.  Sun light
B.  Coal
C.  Wind
D.  Biomass

 
Nephrons are tiny units present in:
A.  Heart
B.  Brain
C.  Lungs
D.  Kidney
 

If we reserve the direction of electric current, then the direction of magnetic field will be:
A.  Remains same
B.  Reversed
C.  Becomes tangent
D.  Becomes normal

 
The energy which is created by vibration of Particles is known as:
A.  Thermal Energy
B.  Sound Energy
C.  Kinetic Energy
D.  Potential Energy Lungs


In fish liver oil there is:

A.  Vitamin A only
B.  Vitamin D only
C.  Vitamin A and vitamin E
D.  Vitamin A and Vitamin D

 

When day and night are equal?
A.  23rd February and 21st September
B.  21st march and 23rd September
C.  23rd march and 21st September
D.  None of these

 

What are total number of combinations of 09 things taken 03 at a time?
A.  18
B . 27
C . 48
D . 84

 

The chemical formula for alum is:
A.  KAl(SO4)2•12 H2O
B.  KSi(SO4)2•12 H2O
C.  KAl(SO4)2•8 H2O
D.  None of these

 

If the radius of a circle is increased three times then its area is increased:
A.  Three times
B.  Six times
C.  Nine times
D.  None of these

 

One degree of longitude on the equator is equal to a distance of:
A.  49 miles
B.  69 miles
C.  39 miles
D.  60 miles

 

The protein molecule is made of:
A.  Alkaloids
B.  Nucleosides
C.  Short range chain of amino acids
D.  Long range chain of amino acids

 

The minimum amount of vitamin stored in the human body is of:
A.  Vitamin D
B.  Vitamin C
C.  Vitamin E
D.  Vitamin A

 

The isotopes of any element contain equal number of:
A.  Protons
B.  Neutrons
C.  Both electrons and protons
D.  None of these

 

The pH of soil is raised using:
A.  Lime stone
B.  Gypsum
C.  Urea
D.  None of these