Indicate whether the following statements are True (T) or False (F).- Oviparous animals give birth to young ones. ( )
- Each sperm is a single cell. ( )
- External fertilisation takes place in frog. ( )
- A new human individual develops from a cell called gamete. ( )
- Egg laid after fertilisation is made up of a single cell. ( )
- Amoeba reproduces by budding. ( )
- Fertilisation is necessary even in asexual reproduction. ( )
- Binary fission is a method of asexual reproduction. ( )
- A zygote is formed as a result of fertilisation. ( )
- An embryo is made up of a single cell. ( )
- Oviparous animals give birth to young ones. ( )
- Each sperm is a single cell. ( )
- External fertilisation takes place in frog. ( )
- A new human individual develops from a cell called gamete. ( )
- Egg laid after fertilisation is made up of a single cell. ( )
- Amoeba reproduces by budding. ( )
- Fertilisation is necessary even in asexual reproduction. ( )
- Binary fission is a method of asexual reproduction. ( )
- A zygote is formed as a result of fertilisation. ( )
- An embryo is made up of a single cell. ( )
Solution and Explanation
(a) Oviparous animals give birth to young ones. (False)
(b) Each sperm is a single cell. (True)
(c) External fertilization takes place in frog. (True)
(d) A new human individual develops from a cell called gamete. (False)
(e) Egg laid after fertilization is made up of a single cell. (True)
(f) Amoeba reproduces by budding. (False)
(g) Fertilization is necessary even in asexual reproduction. (False)
(h) Binary fission is a method of asexual reproduction. (True)
(i) A zygote is formed as a result of fertilization. (True)
(j) An embryo is made up of a single cell. (False)
For more details refer: Reproduction in Animals: Definition, Modes (collegedunia.com)
Top CBSE Class VIII Science Questions
Select the correct word from the following list and fill in the blanks.
float, water, crop, nutrients, preparation- The same kind of plants grown and cultivated on a large scale at a place is called ____.
- The first step before growing crops is ____ of the soil.
- Damaged seeds would ____ on top of water.
- For growing a crop, sufficient sunlight and ____ and ____ from the soil are essential.
- List conditions under which combustion can take place.
- Match items in column A with those in column B.
A B (i) Kharif crops (a) Food for cattle (ii) Rabi crops (b) Urea and super phosphate (iii) Chemical fertilizers (c) Animal excreta, cow dung urine and plant waste (iv) Organic manure (d) Wheat, gram, pea (e) Paddy and maize - Fill in the blanks:
- Burning of wood and coal causes ___ of air.
- A liquid fuel, used in homes is ___.
- Fuel must be heated to its ___ ___ before it starts burning.
- Fire produced by oil cannot be controlled by ___.
- Explain how the use of CNG in automobiles has reduced pollution in our cities.
Top CBSE Class VIII Sexual Reproduction Questions
- Describe the process of fertilisation in human beings.
- Choose the most appropriate answer.
Internal fertilisation occurs: - Choose the most appropriate answer.
The number of nuclei present in a zygote is - Give two differences between a zygote and a foetus.
- In which female reproductive organ does the embryo get embedded?