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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Given below are the events in human reproduction. Write them in correct sequential order. Insemination, gametogenesis, fertilisation, parturition, gestation, implantation - Biology

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प्रश्न

Given below are the events in human reproduction. Write them in correct sequential order.

Insemination, gametogenesis, fertilisation, parturition, gestation, implantation

Given below are the stages in human reproduction . Write them in correct sequential order.

Implantation, Gametogenesis, Gestation, Parturition, Fertilization, Insemination.

अति संक्षिप्त उत्तर
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उत्तर

Gametogenesis, Insemination, Fertilisation, Implantation, Gestation, Parturition.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Human Reproduction - VERY SHORT ANSWER [पृष्ठ २०]

APPEARS IN

एनसीईआरटी एक्झांप्लर Biology [English] Class 12
पाठ 3 Human Reproduction
VERY SHORT ANSWER | Q 1. | पृष्ठ २०
नूतन Biology [English] Class 12 ISC
पाठ 3 Human Reproduction
TEST YOUR PROGRESS | Q 91. | पृष्ठ ११४

संबंधित प्रश्‍न

Find the odd one out and write it: vagina, uterus, vas deferens, ovary


Name the human male reproductive organ that produces sperms and also secretes a hormone. Write the functions of the secreted hormone.


Mention the total number of chromosomes along with the sex chromosomes that are present in a human female and a human male. Explain how in sexually producing organisms the number of chromosomes in the progeny remains the same as that of the parents.


The diagram given below is that of a developing human foetus. Study the diagram and then answer the questions that follow: 

(i) Label the parts numbered 1 to 3 in the diagram.
(ii) Mention any two functions of the part labelled 2 in the diagram.
(iii) Explain the significance of the part numbered 3 in the diagram.
(iv) Define the term ‘Gestation’. What is the normal gestational period of the developing human embryo?
(v) Mention the sex chromosomes in a male and female embryo.


fill in the blanks with suitable functions: Seminiferous Tubule and _____


Given below are diagrams showing the different stages in the process of fertilisation of an egg. in the human female reproductive tract.

Study the diagrams and answer the questions:

1) Arrange the letters given below each diagram in a logical sequence to show the correct order in the process of fertilisation.

2) Where does fertilisation normally take place? and What is ‘Implantation’ that follows fertilisation?

3) Mention the chromosome number of the egg and zygote in humans.

4) Explain the term ‘Gestation’. How long does Gestation last in humans?

5) Draw a neat, labelled diagram of a mature human sperm.


 What is the frequency of menstrual cycle in human females (or women)?


Write the names of male sex hormone?


 What is puberty? Who attains puberty at an earlier age in human beings : male or female (boy or girl)?


Draw a labelled diagram of the human female reproductive system. With the help of this diagram, explain the working of human female reproductive system.


Explain why, fertilisation is possible if mating takes place during the middle of menstrual cycle.


In a flower, the parts that produce male and female gametes are respectively :
(a) sepal and anther
(b) filament and stigma
(c) anther and ovary
(d) stamen and style


In human males, the testes lie in the scrotum outside the body because it helps in the
(a) process of mating
(b) formation of sperms
(c) easy transfer of sperms
(d) all the above


The normal body cell of an organism contains 28 pairs of chromosomes. The number of chromosomes present in its germ cell will be
(a) 28
(b) 14
(c) 56
(d) 42


Given below is a diagram of two systems together in the human body.

  1. Name the systems.
  2. Name the parts numbered 1-10.
  3. Describe the functions of the parts 3, 4, 5 & 6.
  4. What will happen if the part 3 on both sides gets blocked?

Describe in brief the role of seminal vesicle in human male reproductive system.


Describe in brief the role of vas deferens in human male reproductive system.


List two changes observed in girls at the time of puberty.


State the role of placenta in the development of embryo.


Choose the correct answer:
The aim of sexual reproduction _________


Choose the correct answer:
Binary fission is a method of __________


Complete the following statement by choosing the correct alternative:

Sterilization in female is due to cutting off of ______.


Define the following:
Asexual reproduction


Identify the given diagram.
Name the parts 1 to 5. 


Define the four stages in the uterine cycle.


State the Location:

Prostate gland


______ is a lytic enzyme released by the sperm.


Cryptorchidism is a condition where ______.


Reproductive organs are also considered endocrine glands.


Match Columns I and II and select the correct option.

  Columns I   Columns II
i. Transfer of sperms in the female genital tract. a. Gestation
ii. Delivery of baby b. Fertilization
iii. Fusion of male and female gamete. c. Parturition
iv. Formation of sperms and ovum d. Insemination
    e. Gametogenesis

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