Biology
Assertion (A): Tapeworm has a long, ribbon-like segmented body that can occur in human intestines as a parasite.
Reason (R): Tapeworm belongs to the phylum annilida (segmented worms). It breathes with the help of moist skin.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Answer
A is true but R is false.
Reason — A is true as Tapeworm has a long, ribbon-like, segmented body. It lives as a parasite in the human intestine.
R is false as tapeworm does not belong to Annelida. It belongs to Platyhelminthes.
Therefore, A is true but R is false is the correct option.
Related Questions
Which class of vertebrates have animals with dry and scaly skin ?
- Aves
- Amphibia
- Reptilia
- Pisces
What is the main distinguishing feature of arachnids ?
- Six legs
- Segmented body
- Nephridia
- Four pairs of legs
Assertion (A): An insect's body is divided into three regions - head, thorax and abdomen.
Reason (R): The division of an insect's body in three parts is very suitable for its locomotion as one pair of legs is attached with each body part with proper gap / space.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): Most animals move from one place to another mainly in search of food or shelter but plants do not move.
Reason (R): Animals are heterotrophs whereas plants are autotrophs. Hence, plants are capable of making their own food and do not move from one place to another.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.