Biology Chapter 4 – Reproduction (Class 12) for FSC & Entry Test Preparation
Chapter 4, Reproduction, is a vital topic for Class 12 students preparing for FSC board exams and medical/engineering entry tests like MDCAT, NUMS, AKU, NUST, ECAT, and UET. This chapter explains the biological processes through which organisms produce offspring to ensure the survival of species. Understanding reproduction is essential for studying growth, development, and heredity.
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Follicle – stimulating hormone, which is produced by the pituitary gland, stimulates the ovaries to produce:
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Which disorder among the following CANNOT be detected by amniocentesis?..
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Luteinizing hormone, which is produced by the pituitary gland, promotes ovulation and stimulate the ovaries to produce:
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What is critical in photoperiodism?
In human females, oocytes are held in the second metaphase until ________.
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Development of an egg into zygote without fertilization is called
Viviparous animals are those in which
Treponema pallidum causes:
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Menstrual cycle can be divided into:
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Referring to sexual reproduction, humans are:
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Menstruation, the shedding of the lining of the uterus (endometrium), is accompanied by:
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In parthenocarpy which levels are high in ovaries
Testes are structures that produce:
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Which one is not a day neutral plant?
Developing seeds are rich source of
In humans, ovaries after birth contain:
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The sexually transmitted disease, that can affect both the male and the female genitals and may damage the eyes of babies born of infected mothers is:
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Which of the following is an ovoviviparous animal?
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What is the commercial method of producing millions of seedlings in limited time?
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Gametes in animals are produced by
Ovulation is induced by ______ hormone secreted by the pituitary gland.
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In sexual reproduction, plants have diplohaplontic life cycle with alternating
Duration of menstrual cycle is how many days on average?
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Male and female sea urchins release their sperm and eggs Into the water where fertilization takes place. How can their reproduction be described?
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In biennials and perennials, low temperature stimulus is not received by
A major constituent of contraceptive pills is:
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The human cells affected in HIV are which of the following?
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Which statement is incorrect?
Example of ovoviviparous
Fallopian tube in humans is important for:
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Pituitary gland releases ______ hormone and _______ hormone while ovaries produce _______ and progesterone.
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Which of the following hormones of the pituitary gland regulates the menstrual cycle?
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Which method is of asexual reproduction?
Egg-laying mammals are called:
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Colour of corpus luteum is:
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Which of the following is correct in humans?
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In asexual reproduction offspring are produced by which of the following?
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Which statement is correct?
Hydra reproduces asexually by:
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Amniocentesis is performed between the:
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Which of the following is found beneath the prostate gland?
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In cloning, nucleus is introduced into
In the male reproductive tract, sperm cells follow a specific path. Which of the following do sperm cells enter after traveling through the epididymis?
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In which of the following options is mitotic division involved?
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In which organism males are haploid?
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In which organism males are haploid
The primary oocyte in mammals has which of the following structures around it:
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Seeds are dormant in conditions of
All of the following are sexually transmitted diseases except:
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Which characteristic is not of identical twins
The egg-laying birds are called:
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Which one of the following represents the changes that occur in the ovary and the uterus approximately every 28 days involving ovulation with the breakdown and loss of the lining of the uterus?
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Which of these cycles operate in human females?
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Which statement is incorrect?
During birth, central nervous system of infants can be damaged by
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In asexual reproduction offspring are produced by
Which organ(s) in the male reproductive system produce gametes?
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A pollen tube serves to:
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Only one ovary is functional at a time in:
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In sexual reproduction, plants have diplohaplontic life cycle with alternating
Female rabbits are:
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Key Concepts about Reproduction
The chapter explains the two main types of reproduction: asexual and sexual. Asexual reproduction, including binary fission, budding, and vegetative propagation, is discussed in plants and lower organisms. Sexual reproduction in plants and animals is explained in detail, covering gamete formation, fertilization, development of zygote, and embryogenesis. The chapter also highlights the reproductive organs, reproductive cycles, and mechanisms that ensure genetic variation. Each concept is described with examples, biological significance, and relevance in maintaining species continuity. These concepts are highly important for FSC board exams and entry tests like MDCAT, NUMS, AKU, and NUST.
Free Entry Test Preparation
Mastery of reproduction helps students understand the principles of heredity, development, and continuity of life. PLS Academy provides practice questions, solved past papers, and chapter-wise MCQs to help students revise these topics effectively. Regular study of this chapter improves problem-solving skills, conceptual clarity, and exam performance, ensuring students are well-prepared for both board exams and competitive entry tests.
JazakAllah.
