science
Grade-4-
Easy
Question
The process by which animals sit on their eggs so that they can hatch is known as
- Molting
- Metamorphosis
- Incubation
- Hatching
Hint:
Sometimes human babies are also kept in machines to keep them warm.
The correct answer is: Incubation
The correct option is c) incubation.
Oviparous animals after laying sit on the eggs to keep them warm till the eggs hatch. During the incubation period the egg develops embryo inside it which slowly develop into a baby. It takes around 20-21 days for hatching.
Related Questions to study
science
The life cycle of a cockroach has how many stages?
The life cycle of a cockroach has how many stages?
scienceGrade-4-
science
Plants and animals have different structures for:
Plants and animals have different structures for:
scienceGrade-4-
science
Yolk is rich in __________.
Yolk is rich in __________.
scienceGrade-4-
science
The part of the body in an organism is also known as ____________.
The part of the body in an organism is also known as ____________.
scienceGrade-4-
science
Animals that lay eggs are called __________ animals.
Animals that lay eggs are called __________ animals.
scienceGrade-4-
science
Pressure receptors on the skin are sensitive to changes in temperature.
Pressure receptors on the skin are sensitive to changes in temperature.
scienceGrade-4-
science
Animals have a sharper sense of smell than humans
Animals have a sharper sense of smell than humans
scienceGrade-4-
science
The following picture shows _____________ in animals.
The following picture shows _____________ in animals.
scienceGrade-4-
science
The following picture shows which sense?
The following picture shows which sense?
scienceGrade-4-
science
Which sense also helps to maintain the body balance?
Which sense also helps to maintain the body balance?
scienceGrade-4-
science
What are papillae?
What are papillae?
scienceGrade-4-
science
Umami is the _________ basic taste.
Umami is the _________ basic taste.
scienceGrade-4-
science
Which two senses work together?
Which two senses work together?
scienceGrade-4-
science
Taste buds are present on the __________ of the tongue.
Taste buds are present on the __________ of the tongue.
scienceGrade-4-
science
The ear is divided into how many parts?
The ear is divided into how many parts?
scienceGrade-4-