Tamil Nadu Board of Secondary EducationSSLC (English Medium) (5 to 8) Class 5

______ fertilisation takes place in frogs and fish. - Science

Advertisements
Advertisements
MCQ
Fill in the Blanks

______ fertilisation takes place in frogs and fish.

Options

  • Internal

  • External

  • Post

Advertisements

Solution

External fertilisation takes place in frogs and fish.

  Is there an error in this question or solution?

RELATED QUESTIONS

Which mode of reproduction gives rise to variation?


Give the importance of variation in survival of species.


Complete the following table to get the differences between asexual and sexual reproduction:

Characteristics Asexual Reproduction Sexual Reproduction
Number of parents involved ........................... ..............................
Type of cells involved Somatic cells Germ cells
Type of cell division ............................ Meiosis and mitosis

What is meant by sexual reproduction?


Name two main processes of sexual reproduction


What is the effect of DNA copying, which is not perfectly accurate, on the reproduction process? How does the amount of DNA remain constant though each new generation is a combination of DNA copies of two individuals?


What is amphimixis?


Describe the process of fertilization in human beings.


Choose the most appropriate answer.

Internal fertilization occurs


Indicate whether the following statements are True (T) or False (F).

Oviparous animals give birth to young ones. ( )


Indicate whether the following statement is True (T) or False (F).
A new human individual develops from a cell called gamete. ( )


Indicate whether the following statement is True (T) or False (F).

A zygote is formed as a result of fertilization. ( )


Indicate whether the following statement is True (T) or False (F).
An embryo is made up of a single cell. ( )


Give two differences between a zygote and a foetus.


In which female reproductive organ does the embryo get embedded?


Differentiate between internal fertilization and external fertilization.


Complete the crossword puzzle using the hints given below.

Across

1. The process of the fusion of the gametes.

6. The type of fertilization in hen.

7. The term used for bulges observed on the sides of the body of Hydra.

8. Eggs are produced here

Down

2. Sperms are produced in these male reproductive organs.

3. Another term for the fertilized egg.

4. These animals lay eggs.

5. A type of fission in amoeba.


State the basic requirement for sexual reproduction?


What are gametes?


In which sort of reproduction are gametes involved?


What is this act of fusion called?


What would be the ratio of chromosome number between an egg and its zygote?


The advantage that internal fertilisation has over external fertilisation is that in internal fertilisation :
(a) new off-springs are exactly like the parent
(b) production of large numbers of gametes is unnecessary
(c) copulation and fusion of gametes is passive
(d) fewer individuals are produced


The correct sequence of organs in the male reproductive system for the transport of sperms is:
(a) testis → vas deferens → urethra
(b) testis → ureter → urethra
(c) testis → urethra → ureter
(d) testis → vas deferens → ureter


Distinguish between the following pair of terms:

Sexual reproduction and asexual reproduction.


Distinguish between the following pair of terms:

Budding and Regeneration.


Define the term  Implantation.


Define the term Puberty.


What is the function of uterus?


Define the term Adolescence.


Mention the common method of reproduction in Hydra.


Mention the common method of reproduction in Start fish.


Name the organ involved in the following:

Fertilisation of ovum by tile sperm.


Describe the different methods of asexual reproduction in animals.


Describe the various stages in the life cycle of a butterfly.


Sketch and label the diagram showing self- and cross-pollination.


In the sexual mode of reproduction, greater diversities are generated.


Answer in one sentence.

Name the endocrine glands involved in maintaining the sex characteristics of males.


Answer in one sentence.

Enlist the external genital organs in the female.


Explain the histological structure of testis.


Answer the following question.

Explain the histological structure of ovary in human.


Answer the following question.

Which is the function of male accessory glands?


Answer the following question.

Explain the following parts of male reproductive system along with labelled diagram showing these parts- Testis, vasa deferentia, epididymis, seminal vesicle, prostate gland and penis.


What is atresia with respect to ovary in human females?


Describe the histology of testis with help of labelled diagram.


Identify the labels from the given diagram.


Which are the components of pollination?


What are the different stages of sexual reproduction?


Which organs/glands produce eggs and sperms?


In an ovule, meiosis occurs in ______


Due to presence of which of the following chemical component, pollen grains can remain well preserved in fossil?


Testosterone is produced by ____________.


Which of the following is the male accessory gland?


Identify the INCORRECT statement.


Match column -1 with column - II and select the correct option.

  Column - I   Column - II
1. Seminal vesicles a. Membranous urethra
2. Scrotum b. Thermoregulatory
3. Tunica vaginalis c. Fibro muscular pouches
4. Cowper's gland d. Peritoneal covering

Characters that are transmitted from parents to offspring during reproduction show ______ 


______ is the first stage of sexual reproduction.


The zygote divides repeatedly into a group of cells, which develops into different tissues and organs constituting a full body. This structure is known as ______.


Animals in which an embryo develops outside the body are called ______ animals.


______ lay thousands and sometimes millions of small, soft eggs in water.


The eggshell protects the ______ from the outer environment.


In ______ animals, the development of the embryo takes place inside the body.


Name the two ways by which fertilisation in animals takes place.


What is external fertilisation?


What are oviparous animals?


Explain the two types of fertilization.


Which is a better mode of reproduction, sexual or asexual? Why?


Share
Notifications



      Forgot password?
Use app×