Q1
The structure of redworms which helps them in grinding food is
- Blizzard
- Lizard
- Gizzard
- Trigger
Answer:
Redworms do not have teeth, they have a structure called the gizzard which helps them in grinding their food.
The correct option is (C) - Gizzard.
Q2
The color of dustbins in which biodegradable waste is collected is
- Red
- Blue
- Orange
- Green
Answer:
The correct option is (D) - Green.
Q3
Which of the following waste can be added in the process of making vermicompost?
- Cardboard
- Newspaper
- Laminated paper
- Cow dung
Answer:
Vermicomposting is a method of converting plants and animal waste into compost .
The correct option is (D) - Cow dung.
Q4
Which of the following cannot be recycled?
- Mirror
- Tin can
- Wooden stool
- Book
Answer:
Wooden stool can not be recycled as it can’t be changed into further new objects.
The correct option is (C) - Wooden stool.