List of top Questions asked in CBSE CLASS XII

Describe the development of placenta during pregnancy in a human female.

Explain the role pf placenta
 

Read the following factors of migration carefully and choose the correct option related to pull factors: 
I. Peace and stability 
II. Unfavourable climate 
III. Protection of property 
IV. Economic backwardness 

 

Which one of the following is an approach of Human Development?
Match Column I with Column II and choose the correct option:
\[ \begin{array}{|l|l|} \hline \textbf{Column I (Area)} & \textbf{Column II (Animal Domestication)} \\ \hline 1. \text{Tropical Africa} & (ii) \text{Cattle} \\ \hline 2. \text{Asiatic Deserts} & (i) \text{Camel} \\ \hline 3. \text{Mountainous areas of Tibet} & (iv) \text{Llamas} \\ \hline 4. \text{Sub-Arctic areas} & (iii) \text{Reindeer} \\ \hline \end{array} \]
Assertion (A): Foot loose industries can be located in a wide variety of places.
Reason (R): The important factor in the location of foot loose industries is accessibility by transport network.

Production of information is related to which one of the following sectors?
Which one of the following is known as the ‘Big Inch’ pipeline?

Choose the correct option to fill in the blank: 
The groundwater utilization is very high in \(\_\_\_\_\_\). If the present trend of groundwater utilization continues, it would be very difficult to meet the water needs. 
 

Choose the correct option to fill in the blank in the flow chart: 

Which one of the following places is the easternmost station of the ‘East-West Corridor’?
Analyze the major problems of youth population in India. Suggest two measures to overcome the problems.
Explain the importance of rail transport in India.
Explain sea port as a gateway for international trade in India.
‘Swachh Bharat Mission’ has been launched by which one of the following?

Which one of the following diseases is caused by water pollution?

Which one of the following is the correct difference in ‘Net Area Sown’ between 1950–51 and 2014–15?
How is discrimination on the basis of gender a crime against humanity? Suggest two measures to overcome the problem.

The SELECT statement when combined with \(\_\_\_\_\_\_\) clause, returns records without repetition.
 

What will be the output of the following statement:
print(16 * 5 / 4 * 2 / 5 - 8)
The slicing operations in the given code work as follows:
  • myStr[:4] extracts the first 4 characters, which are "MISS".
  • myStr[-5:] extracts the last 5 characters, which are "SIPPI".
  • These two substrings are concatenated with a "#" in between, resulting in "MISS#SIPPI".

In SQL, the aggregate function which will display the cardinality of the table is \(\_\_\_\_\_\). 
 

Which protocol out of the following is used to send and receive emails over a computer network?
Identify the invalid Python statement from the following:
Question: Select the correct output of the following code: 

event = "G20 Presidency@2023"
L = event.split(' ')
print(L[::-2])