(a) Why must a cell be made ‘competent’ in biotechnology experiments? How does calcium ion help in doing so?
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Solution and Explanation
Top Questions on Assisted Reproductive Technology
- What are the potential drawbacks in adoption of the IVF method? A. High fatality risk to mother
B. Expensive instruments and reagents
C. Husband/wife necessary for being donors
D. Less adoption of orphans
E. Not available in India
F. Possibility that the early embryo does not survive
Choose the correct answer from the options given below:- NEET (UG) - 2025
- Biology
- Assisted Reproductive Technology
Observe the schematic representation of assisted reproductive technology given below:
Identify the most appropriate technique depicted in the above diagram.
- CBSE CLASS XII - 2024
- Biology
- Assisted Reproductive Technology
- (ii) Describe the different steps in the sexual mode of reproduction in the life cycle of a malarial parasite.
- CBSE CLASS XII - 2024
- Biology
- Assisted Reproductive Technology
- Select the option that gives the correct identification of ovum, morula, and blastocyst in a human female reproduction system as shown in the following diagram:
\begin{figure}[h!] \centering \includegraphics[width=0.5\linewidth]{Screenshot 20250115 135817.png} % Replace with the correct path to your image \caption{Human Female Reproductive System} \label{Human Female Reproductive System} \end{figure}- CBSE CLASS XII - 2024
- Biology
- Assisted Reproductive Technology
- Populations evolve to maximise their reproductive fitness in the habitat in which they live. Study the population growth curves shown in the given graph and answer the questions that follow: \begin{figure}[h!] \centering \includegraphics[width=0.5\linewidth]{image.png} % Replace with the correct path to your image \caption{Population Growth Curves} \label{fig:populationgrowth} \end{figure} (a) Identify the growth curves \u2018A\u2019 and \u2018B\u2019.
- CBSE CLASS XII - 2024
- Biology
- Assisted Reproductive Technology
Questions Asked in CBSE CLASS XII exam
- Draft an invitation card on behalf of the Principal of J.B. Bhatia Public School for the launch of ‘Yoga for Life’ programme in the school. Mention a compelling highlight of the programme along with other necessary details.
- CBSE CLASS XII - 2025
- Letter Writing
- Eliza, Fenn and Garry were partners in a firm sharing profits and losses in the ratio of 4 : 3 : 1. Fenn was guaranteed Rs 25,000 as his share in the profits. Any deficiency arising on that account was to be met by Eliza. The firm earned a profit of Rs 80,000 for the year ended 31st March, 2024. The amount of profit credited to Fenn's capital account will be :
- CBSE CLASS XII - 2025
- Partnership Accounts
Consider the DataFrame Doctor shown below:
Write suitable Python statements for the following:
(i) To print the last three rows of the DataFrame Doctor.
(ii) To display the names of all doctors.
(iii) To add a new column 'Discount' with value of 200 for all doctors.
(iv) To display rows with index 2 and 3.
(v) To delete the column 'Department'.
- CBSE CLASS XII - 2025
- Python Libraries
XYZ Technologies, Hyderabad is a company that deals with data science and AI projects. They have different divisions: ADMIN, SALES, PRODUCTION and SERVICE. The layout of the Hyderabad branch is:
The management wants to connect all the devisions as well as the computers of each devision (ADMIN, SALES, PRODUCTION and SERVICE.
Based on the above specifications, answer the following questions:
(i) Suggest the topology and draw the most suitable cable layout for connecting all the divisions in the Hyderabad office.
(ii) XYZ Technologies is having its head office in the USA. Out of LAN, MAN and WAN, which kind of network will be created to connect Hyderabad office with USA Office? Justify your answer.
(iii) Suggest the division for the placement of server. Explain the reason for your selection.
(iv) Suggest the placement of Switch/Hub with justification.
(v) Where will a repeater be placed in the suggested network layout? Justify your answer.
- CBSE CLASS XII - 2025
- Information Technology
Ashutosh, who is a manager, has created a database to manage employee records. The database includes a table named EMPLOYEE whose attribute names are mentioned below:
EID : Stores the unique ID for each employee.
EMP_NAME : Stores the name of the employee.
DEPT : Stores the department of the employee.
SALARY : Stores the salary of the employee.
JOIN_DATE : Stores the employee’s joining date.
Write the output of the following SQL Queries:
(i) SELECT SUBSTRING(EMP_NAME, 1, 5) FROM EMPLOYEE WHERE DEPT = 'ENGINEERING';
(ii) SELECT EMP_NAME FROM EMPLOYEE WHERE MONTH(JOIN_DATE) = 8;
(iii) SELECT EMP_NAME FROM EMPLOYEE WHERE SALARY>60000;
(iv) SELECT COUNT(DEPT) FROM EMPLOYEE;
- CBSE CLASS XII - 2025
- SQL Queries