Biology
Grade-7
Easy
Question
___________ are the same chemicals that give humans their various skin tones and colors.
- Melanin
- Carotenes
- Porphyrins
- Chlorophylls
Hint:
The pigment that gives black color to hair, skin, etc
The correct answer is: Melanin
- Melanin is the pigment responsible for providing skin color to humans
- Melanin is produced by melanocytes
- Color of a person is proportional to the melanin pigments produced
- Vitamin D increases the rate of synthesis of melanin
- Melanin is important for the body as it protects from UV radiations
Related Questions to study
Biology
The waggle dance is a method of communication used by worker ________ to communicate with other members of the colony
The waggle dance is a method of communication used by worker ________ to communicate with other members of the colony
BiologyGrade-7
Biology
BiologyGrade-7
Biology
Embryo development in _______________ animals, on the other hand, occurs within the female member of that species.
Embryo development in _______________ animals, on the other hand, occurs within the female member of that species.
BiologyGrade-7
Biology
Fertilization occurs after gametogenesis and before embryogenesis.
Fertilization occurs after gametogenesis and before embryogenesis.
BiologyGrade-7
Biology
The given image explains external fertilization.
The given image explains external fertilization.
BiologyGrade-7
Biology
Only a single parent is involved in sexual reproduction.
Only a single parent is involved in sexual reproduction.
BiologyGrade-7
Biology
BiologyGrade-7
Biology
__________ is a process in which two parents take part in producing the young one.
__________ is a process in which two parents take part in producing the young one.
BiologyGrade-7
Biology
The _________ eventually divides and develops into an embryo by mitotic division.
The _________ eventually divides and develops into an embryo by mitotic division.
BiologyGrade-7
Biology
Pick the odd one out.
Pick the odd one out.
BiologyGrade-7
Biology
Pick the odd one out.
Pick the odd one out.
BiologyGrade-7
Biology
___________ is a male gamete.
___________ is a male gamete.
BiologyGrade-7
Biology
__________ is formed after the fusion of male and female gametes.
__________ is formed after the fusion of male and female gametes.
BiologyGrade-7
Biology
The preceding stage after fertilization is _______________.
The preceding stage after fertilization is _______________.
BiologyGrade-7
Biology
In oviparous animals, ____________ provides nutrition to embryo.
In oviparous animals, ____________ provides nutrition to embryo.
BiologyGrade-7
