Write the symptoms of malaria in human and explain what causes these symptoms.
Show Hint
Solution and Explanation
Top Questions on Environment
- Explain the ovarian and uterine events taking place along with the role of pituitary and ovarian hormones, during menstrual cycle in a normal human female under the following phases:
Follicular phase/proliferative phase- CBSE CLASS XII - 2024
- Biology
- Environment
- Which of these following methods is the most suitable for disposal of nuclear waste?
- NEET (UG) - 2019
- Biology
- Environment
- Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for:
- NEET (UG) - 2019
- Biology
- Environment
Questions Asked in CBSE CLASS XII exam
Differentiate between 'w' and 'a' file modes in Python.
- CBSE CLASS XII - 2024
- Types of Functions
- Consider the table Projects given below: \[ \begin{array}{|c|l|c|c|c|} \hline \textbf{P\_id} & \textbf{Pname} & \textbf{Language} & \textbf{Startdate} & \textbf{Enddate} \\ \hline P001 & School Management System & Python & 2023-01-12 & 2023-04-03 \\ P002 & Hotel Management System & C++ & 2022-12-01 & 2023-02-02 \\ P003 & Blood Bank & Python & 2023-02-11 & 2023-03-02 \\ P004 & Payroll Management System & Python & 2023-03-12 & 2023-06-02 \\ \hline \end{array} \] Based on the given table, write SQL queries for the following:
- Add the constraint, primary key to column P_id in the existing table Projects:
- Change the language to Python of the project whose ID is P002:
- Delete the table Projects from the MySQL database along with its data:
- CBSE CLASS XII - 2024
- Miscellaneous
- Consider the tables Admin and Transport given below:Table: AdminWrite SQL queries for the following:
\[ \begin{array}{|c|c|c|c|} \hline \textbf{S\_id} & \textbf{S\_name} & \textbf{Address} & \textbf{S\_type} \\ \hline S001 & Sandhya & Rohini & Day Boarder \\ S002 & Vedanshi & Rohtak & Day Scholar \\ S003 & Vibhu & Raj Nagar & NULL \\ S004 & Atharva & Rampur & Day Boarder \\ \hline \end{array} \]
Table: Transport\[ \begin{array}{|c|c|c|} \hline \textbf{S\_id} & \textbf{Bus\_no} & \textbf{Stop\_name} \\ \hline S002 & TSS10 & Sarai Kale Khan \\ S004 & TSS12 & Sainik Vihar \\ S005 & TSS10 & Kamla Nagar \\ \hline \end{array} \]
- Display the student name and their stop name from the tables Admin and Transport.
- Display the number of students whose S_type is not known.
- Display all details of the students whose name starts with 'V'.
- Display student ID and address in alphabetical order of student name, from the table Admin.
- CBSE CLASS XII - 2024
- Types of Functions
Sangeeta is a Python programmer working in a computer hardware company. She has to maintain the records of the peripheral devices. She created a csv file named
Peripheral.csvto store the details. Structure ofPeripheral.csv:\begin{tabular}{|c|c|c|} \hline \textbf{P\_id} & \textbf{P\_name} & \textbf{Price} \\ \hline \end{tabular}
P\_idis the Peripheral device ID (integer).P\_nameis the Peripheral device name (string).Priceis the Peripheral device price (integer).
Sangeeta wants to write the following user-defined functions:
Add\_Device(): To accept a record from the user and add it to the CSV file,Peripheral.csv.Count\_Device(): To count and display the number of peripheral devices whose price is less than 1000.
- CBSE CLASS XII - 2024
- Miscellaneous
Consider a binary file,
items.dat, containing records stored in the given format:
Write a function,Copy\_new(), that copies all records whoseamountis greater than 1000 fromitems.dattonew\_items.dat.- CBSE CLASS XII - 2024
- Miscellaneous