Explore topic-wise MCQs in Science.

This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.

1.

_______ are also known as teeth for tearing food.

A. Canines
B. Incisors
C.  stagnation     
D. Molars
E. None of these
Answer» B. Incisors
2.

Which one statement among the following is not correct about incisors?

A. There are 4 incisors in each jaw in humans.
B. They are front teeth.
C. 1-D, 2-A, 3-B, 4-C  
D. They are crushing teeth.
E. None of these
Answer» E. None of these
3.

Number of teeth in each jaw in humans:

A. 18  
B. 14
C.  They Facilitate ventilation
D. 20
E. None of these
Answer» D. 20
4.

Which one of the following habits we must follow to keep our digestive system working properly?

A. Eat food once a day.
B. Swallow food without chewing
C.  
D. Avoid chewing food.
E. None of these
Answer» D. Avoid chewing food.
5.

Which one of the following functions is not performed by the teeth?

A. Cutting 
B. Chewing
C.  We should not throw garbage on the streets
D. Flossing
E. None of these
Answer» E. None of these
6.

Which of the following is a rich source of calcium?

A. Milk 
B. Cheese
C. 180 V 
D. All the above
E. None of these
Answer» E. None of these
7.

Food from stomach passes to:

A. Liver
B. Small intestine
C. 4 A    
D. Oesophagus
E. None of these
Answer» C. 4 A    
8.

____teeth are first set of teeth.

A. Permanent  
B. Temporary
C. 0.05 Ohm   
D. Either [a] or [b]
E. None of these
Answer» C. 0.05 Ohm   
9.

Which one of the following is not a microbe?

A. Fungi
B. Bacteria
C. Nature of "core material" used in making solenoid.
D. Virus
E. None of these
Answer» D. Virus
10.

 ____ is caused by virus.

A. Malaria 
B. Ringworm
C. 1.8 ampere 
D. Typhoid
E. None of these
Answer» D. Typhoid
11.

Match the following: [A] Fungi (I) Malaria [B] Bacteria (II) Polio [C] Protozoa (III) Ringworm [D] Virus (IV) Tuberculosis  

A. (A - III), (B - II), (C - IV), (D - I)
B. (A - III), (B- IV), (C - I), (D - II)
C. Towards left  
D. (A - II), (B - I), (C - IV), (D - III)
E. None of these
Answer» C. Towards left  
12.

Which one of the following is not a disease?

A. Tuberculosis
B. Typhoid
C. Mechanical energy into electrical energy
D. Malaria
E. None of these
Answer» D. Malaria
13.

We should eat _____ diet.

A. Unhealthy   
B. Improper
C. \[90{}^\circ \]  
D. All the above
E. None of these
Answer» D. All the above
14.

Which one among the following is a cause of tooth decay?

A. Regular brushing.
B. Eating food that are high in sugar.
C. The direction of force
D. Visiting a dentist after every 6 months.
E. None of these
Answer» C. The direction of force
15.

The soft part of the tooth which has blood vessels is:

A. Dentine 
B. Pulp
C. Supply current to the coil
D. Root
E. None of these
Answer» C. Supply current to the coil
16.

Hardest substance of human body is:

A. Thigh bone  
B. Elbow bone
C. Magnetism  
D. Rib
E. None of these
Answer» D. Rib