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Doctors Medicines MCQs Q&A

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Which of the following statements is/are true in the context of fertilisation and pollination in plants. A. Ovary of the flower matures into fruit. B. Seeds of the plant forms the ovules for fertilisation. C. Pollination takes place after fertilisation. D. In pollination, seeds are dispersed by wind, water, birds and insects. E. Fertilisation takes places in the ovules.
Which of the following statements is/are correct? 1. In Intracytoplasmic sperm injection method ova from the wife/donor (female) and sperms from the husband/donor (male) are collected and are induced to form zygote under simulated conditions in the laboratory. 2. In vitro fertilisation is a specialised procedure to form an embryo in the laboratory in which a sperm is directly injected into the ovum.
Which of the following statements refers to the process of 'parthenogenesis'? 1. It is a natural form of asexual reproduction in which the growth and development of embryos occur without fertilisation. 2. It is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body. 3. It is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg inside of the female's body  Select the correct answer using the codes given below.
Consider the following statements.
1. Fertilisation of the egg takes place inside the embryo sac.
2. Fertilised ovum form the embryo.
3. Endosperm is generally triploid.
Which of the statements given above are correct?
Egg is covered by a tough sheet of tissue that protects it from desiccation and infection by pathogens. But the same tissue also prevents sperm nuclei from encountering the egg nuclei. However, a part of sperm is known to release enzymes that digest this tough sheet. What part of sperm is it?
Rakesh and Reshma have difficulty conceiving a baby. They consulted a sex therapist. Sperm count of Rakesh was normal but the doctor observed that the motility of his sperm was less. What part of sperm do you think has the issue?
Fertilization of sperm and ovum takes place in _____________
Match List-I (part before fertilisation) with List-II (part after fertilisation) and select the correct answer:
Consider the following statements.
1. When evaporation takes place, cooling takes place.
2. Evaporation takes place at all temperature, boiling takes place only at the boiling point.
3. Evaporation is a surface phenomenon.
Which of the statements given above is/are true?
In the human being, normally in which one of the following parts, does the sperm fertilize the ovum?