Penetration of the sperm in the ovum is followed by:
Show Hint
- Formation of first polar body
- Completion of Meiosis II
- First Meiosis
- Dissolution of zona pellucida
The Correct Option is B
Solution and Explanation
Top Questions on Human Reproduction
- During the process of oogenesis in human female, the primary oocyte results in the formation of which of the following?
Choose the correct option.- CBSE CLASS XII - 2025
- Biology
- Human Reproduction
- Assertion (A): Mode of action of pills and implants/injectables is similar.
Reason (R): The effective period of pills is much longer as compared to implants/injectables.- CBSE CLASS XII - 2025
- Biology
- Human Reproduction
Student to attempt either option (A) or (B):
(A) Explain what is meant by the term amniocentesis. How is this technique misused in India?
OR
(B) Name any two VDs which might occur in a human female. State any two complications in a female if it is left untreated.- CBSE CLASS XII - 2025
- Biology
- Human Reproduction
- Given below are few statements with reference to the major events in the menstrual cycle of a human female:
- During the follicular phase, the primary follicles grow to become a Graafian follicle.
- Gonadotropins FSH and progesterone stimulate follicular development during the follicular phase.
- LH surge induces rupture of Graafian follicle thereby releasing the corpus luteum.
- Progesterone released by corpus luteum is essential for maintenance of endometrium.
- Both LH and progesterone attain a peak level in the middle of the cycle.
- CBSE CLASS XII - 2025
- Biology
- Human Reproduction
(a) Name and explain the role of inner and middle walls of the human female uterus.
(b) Write the location and function of fimbriae in human female.- CBSE CLASS XII - 2025
- Biology
- Human Reproduction
Questions Asked in CBSE CLASS XII exam
(A) Explain the following reactions and write chemical equations involved:
(a) Wolff-Kishner reduction
(b) Etard reaction
(c) Cannizzaro reaction- CBSE CLASS XII - 2025
- Oxidation And Reduction Reactions
Inspired by the success of Chandrayaan-3, the Chief Scientist at ‘Space Rover’ a private research group, decided to send some innovative ideas regarding the mission to the Chief Scientist of Chandrayaan-3. The Chief Scientist at ‘Space Rover’ formed four groups for the same. As it was an intellectual activity of thinking rather than doing, these four groups started interacting with each other and friendships developed. On the basis of their interaction and friendship, some members from each group formed ‘Entertainment Through Reading’ group which showed conformity in terms of their interest. ‘Entertainment Through Reading’ group had no written rules, was unstable in form and scope and had no fixed lines of communication. The members of this group enhanced the morale of each other, enjoyed drinking coffee together, read books, served different issues of their work areas and provided support to each other. Ultimately this group developed some innovative ideas which were sent by ‘Space Rover’ to the Chief Scientist of Chandrayaan-3. Though this group was formed for recreation but it contributed towards fulfillment of organisational objectives.
(a) Identify the function of management. Quoting the lines from the above para, explain the steps of the process of the function of management discussed.
(b) Also explain any two points of importance of the function of management identified in (a).- CBSE CLASS XII - 2025
- Controlling
(a) Identify and explain the function of management discussed in the above para.
(b) Explain any four points of importance of the function identified in (a).- CBSE CLASS XII - 2025
- Organizing
Explain the following factors affecting the working capital requirements of a business:
(i) Credit allowed
(ii) Production cycle
(iii) Availability of raw material- CBSE CLASS XII - 2025
- Financial Management and Financial Market
Explain the following points of significance of principles of management:
(i) Providing managers with useful insights into reality
(ii) Meeting changing environment requirements
(iii) Scientific decisions- CBSE CLASS XII - 2025
- Principles of Management