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Module 2 - MCQ Test, Class 10 Science


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30 Questions MCQ Test | Module 2 - MCQ Test, Class 10 Science

Module 2 - MCQ Test, Class 10 Science for Class 10 2022 is part of Class 10 preparation. The Module 2 - MCQ Test, Class 10 Science questions and answers have been prepared according to the Class 10 exam syllabus.The Module 2 - MCQ Test, Class 10 Science MCQs are made for Class 10 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Module 2 - MCQ Test, Class 10 Science below.
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Module 2 - MCQ Test, Class 10 Science - Question 1

Which is the longest part of the neuron?

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 1

Axon is the longest part of neuron that connects cell body and nerve ending. Axons are in effect the primary transmission lines of the nervous system.

Module 2 - MCQ Test, Class 10 Science - Question 2

Internal activities are controlled by:-

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 2

Central nervous system (CNS) controls the activities of internal organs such as hormone release, movement of food through the stomach and intestines, and the sensations from and muscular control to all internal organs.

Module 2 - MCQ Test, Class 10 Science - Question 3

The junction between the axon of one neuron and dentrite of the next is called

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 3

A synapse is an important part of the nervous system involved in the transmission of nerve signals. 

Module 2 - MCQ Test, Class 10 Science - Question 4

Hormone secreted by thyroid gland is
A. Thyroxin
B. Calcitonin
C. Adrenaline
D. Insulin

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 4

Thyroxin is one of the major hormone secreted by thyroid gland as well as Calcitoninis a hormone secreted by the thyroid gland that reduces the concentration of blood calcium level when it has risen to an above normal level. 

Module 2 - MCQ Test, Class 10 Science - Question 5

Which centre regulates swallowing, coughing and vomiting?

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 5

The medulla oblongata is located in the brain stem, anterior to cerebellum. This is a cone-shaped nerve cell located in the hind brain, which controls a number of involuntary functions like coughing, sneezing and vomitting.

Module 2 - MCQ Test, Class 10 Science - Question 6

Which Plant hormone essential for cell division ?

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 6

Cytokinin hormone is responsible for cell division that help in growth of plants. It is found in sites of active cell division in plants for example: Roots tips,seeds,fruits and leaves.

Module 2 - MCQ Test, Class 10 Science - Question 7

Which of the following is nastic movement?

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 7

Nastic movements are plant movements that occur in response to environmental stimuli but unlike tropic movements.

Module 2 - MCQ Test, Class 10 Science - Question 8

 Which of the following is caused by vitamin D deficiency?

Module 2 - MCQ Test, Class 10 Science - Question 9

Which of the following performs dual functions i.e. both exocrine and endocrine functions?

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 9

Pancreas acts as dual gland as pancreas has the dual function of secreting hormones into blood (endocrine) and secreting enzymes through ducts (exocrine).

Module 2 - MCQ Test, Class 10 Science - Question 10

Which hormone cause uterine contraction that leads to labour pain?

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 10

progestrone hormone is released during parturition that creates uterine contraction like situation  that cause labour pain.

Module 2 - MCQ Test, Class 10 Science - Question 11

Which of the following is a vector quantity?

Module 2 - MCQ Test, Class 10 Science - Question 12

What are the constituents of Alnico?

Module 2 - MCQ Test, Class 10 Science - Question 13

A commutator changes the direction of current in the coil of

Module 2 - MCQ Test, Class 10 Science - Question 14

The magnetic field at a point due to current carrying conductor is directly proportional to

A. Current flowing through the conductor
B. Distance of the conductor
C. Resistance of the conductor
D. None of the above

Module 2 - MCQ Test, Class 10 Science - Question 15

Which of the following organs in the human body where the magnetic field produced is significant?

Module 2 - MCQ Test, Class 10 Science - Question 16

Who first detected the presence of magnetic field in earth?

Module 2 - MCQ Test, Class 10 Science - Question 17

The magnetic field lines due to straight wire carrying a current are-

Module 2 - MCQ Test, Class 10 Science - Question 18

Which of the following is incorrect?

A. Another name of field lines is lines of space
B. Neutral wire is always at zero potential
C. Heat loss in DC is less than AC
D. Electric fuse is a current generating device

Module 2 - MCQ Test, Class 10 Science - Question 19

‘An electric current always produces a magnetic field’ , The above statement is

Module 2 - MCQ Test, Class 10 Science - Question 20

An electric fuse can prevent accidents arising from-

Module 2 - MCQ Test, Class 10 Science - Question 21

What is the colour of phenolphthalein in soap solution?

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 21

Phenolphthalein turn pink in colour in basic solutions and soap is basic in nature.

Module 2 - MCQ Test, Class 10 Science - Question 22

The basic nature of sodium hydroxide (NaOH) is due to the presence of ____________ in solution.

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 22

Any compound behaves as a base when it dissociates hydroxide ions (OH-) in its solution.

Module 2 - MCQ Test, Class 10 Science - Question 23

Ayush and Ishoo were given one test tube each. One of the test tube contained water and the other contained a solution of sodium hydroxide. They were asked to identify the test tube containing NaOH solution. Which one of the following can be used for correctly identifying the required test tube?

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 23

A base (NaOH) turns red litmus blue but a netrul compund (water) does not show any colour change.

Module 2 - MCQ Test, Class 10 Science - Question 24

Which of the following properties are shown by dilute hydrochloric acid-
A. It turns blue litmus red
B. It turns red litmus blue
C. It reacts with zinc metal and a gas evolves
D. It reacts with solid sodium carbonate to give brisk effervescence

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 24

HCl being an acid turns blue litmus red. 

HCl reacts with zinc metal to evolve hydrogen gas.

HCl reacts with solid sodium carbonate (Na2CO3) to evolve carbon dioxide (CO2) gas.

Module 2 - MCQ Test, Class 10 Science - Question 25

Which one of the following types of medicines is used for treating acidity?

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 25

Antacids are mild bases,which when given to a person suffering from acidity, neutralises the effect of excess acid produced in the stomach giving relief.

Module 2 - MCQ Test, Class 10 Science - Question 26

You are provided with a sample and a strip of red litmus paper. How would you confirm the nature of the sample ?

Module 2 - MCQ Test, Class 10 Science - Question 27

When HCl reacts with granulated zinc

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 27

Acids (HCl) reat with metals (Zn) to form salt and release hydrogen gas. The hydrogen gas evolved appears as bubbles.

Module 2 - MCQ Test, Class 10 Science - Question 28

Sodium carbonate
A. is a transparent crystalline white solid
B. Has the chemical formula Na2CO3.10H2O
C. Gives acidic solution when dissolves in water
D. Prepared by reacting with chlorine

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 28

(C) and (D) are incorrect because the solution of washing soda in water is alkaline which turns red litmus blue. And washing soda is prepared from sodium chloride.

Module 2 - MCQ Test, Class 10 Science - Question 29

A, B, C, D are samples of liquids having  pH values of 14, 7, 1, 5 respectively. Which of these could be that of 1 M NaOH solution?

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 29

NaOH is basic in character and higher the pH, stronger is the base.

Module 2 - MCQ Test, Class 10 Science - Question 30

A bud of petunias become reddish purple after first shower of rain because

Detailed Solution for Module 2 - MCQ Test, Class 10 Science - Question 30

The buds of Petunia act as indicators and change their color in acidic medium.As the first shower of rain is acidic, therefore the buds of Petunia change their color.

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