Biology
Grade-7
Easy
Question
Pick the odd one out.
Hint:
- Sepals and petals are the two different parts of flowers.
The correct answer is:
Option d
- As all the other three options have images of sepals or leaves and option d has image of petals of flowers.
- Sepals are present below the flowers on a plant.
- Petals are the parts of flowers having different attractive colours.
Related Questions to study
Biology
The _____________ of the plant to which it belongs determines the color of a flower.
- Genome is a set of DNA instructions in a cell that determines all characteristics of a cell.
The _____________ of the plant to which it belongs determines the color of a flower.
BiologyGrade-7
- Genome is a set of DNA instructions in a cell that determines all characteristics of a cell.
Biology
One of the most effective ways to attract beneficial insects to your yard is to plant flowers. These include not only pollinators but also those that kill other hazardous insects.
- Flowers have different attractive colours that help them to attract different insects.
One of the most effective ways to attract beneficial insects to your yard is to plant flowers. These include not only pollinators but also those that kill other hazardous insects.
BiologyGrade-7
- Flowers have different attractive colours that help them to attract different insects.
Biology
Pick the odd one out.
- All the three options contain images of fruits other than option b.
- Option b has image of rose flower.
Pick the odd one out.
BiologyGrade-7
- All the three options contain images of fruits other than option b.
- Option b has image of rose flower.
Biology
___________________ is the one that helps in pollination.
- Butterfly and honey bee are the examples of pollinators.
- Pollinators bring pollen grains from anther to stigma.
___________________ is the one that helps in pollination.
BiologyGrade-7
- Butterfly and honey bee are the examples of pollinators.
- Pollinators bring pollen grains from anther to stigma.
Biology
The green color in sepals of a flower is due to _________________.
- Chlorophyll is the pigment responsible for green colour of plant parts.
- Sepals present under flowers contains green coloured pigment called chlorophyll.
The green color in sepals of a flower is due to _________________.
BiologyGrade-7
- Chlorophyll is the pigment responsible for green colour of plant parts.
- Sepals present under flowers contains green coloured pigment called chlorophyll.
Biology
The red color in opuntia is due to ____________ pigment.
- The red colour in opuntia is due to the presence of betalains.
The red color in opuntia is due to ____________ pigment.
BiologyGrade-7
- The red colour in opuntia is due to the presence of betalains.
Biology
________________ a kind of flavonoid, and are also responsible for the brown color of tea.
- Tannin is present in tea which is responsible for brown colour of the tea.
________________ a kind of flavonoid, and are also responsible for the brown color of tea.
BiologyGrade-7
- Tannin is present in tea which is responsible for brown colour of the tea.
Biology
Pigments are molecules that absorb or reflect specific ___________ of light selectively.
- Pigments are molecules that absorb or reflect a specific wavelength of light selectively.
- As chlorophyll is responsible for green colour of plant parts.
Pigments are molecules that absorb or reflect specific ___________ of light selectively.
BiologyGrade-7
- Pigments are molecules that absorb or reflect a specific wavelength of light selectively.
- As chlorophyll is responsible for green colour of plant parts.
Biology
_______________ are reproductive parts of a plant.
- Flowers are present in plants as reproductive parts.
- Flowers have anthers as male reproductive part and stigma as female reproductive part.
_______________ are reproductive parts of a plant.
BiologyGrade-7
- Flowers are present in plants as reproductive parts.
- Flowers have anthers as male reproductive part and stigma as female reproductive part.
Biology
The color of the rose flower is due to _____________ pigment.
- Anthocyanins are responsible for the colour of rose.
The color of the rose flower is due to _____________ pigment.
BiologyGrade-7
- Anthocyanins are responsible for the colour of rose.
Biology
______________ gives plants their green color; it is the most prominent and prevalent pigment in plants.
- Chlorophyll is the most prominent and relevant pigment in plants.
- It is responsible for the green colour of plants.
______________ gives plants their green color; it is the most prominent and prevalent pigment in plants.
BiologyGrade-7
- Chlorophyll is the most prominent and relevant pigment in plants.
- It is responsible for the green colour of plants.
Biology
______________ is a common carotenoid that gives sunflowers their bright yellow color.
- Beta carotene is the type of coloured pigments which gives yellow and orange colour to plant parts.
- Beta carotene is responsible for bright yellow colour of sunflower.
______________ is a common carotenoid that gives sunflowers their bright yellow color.
BiologyGrade-7
- Beta carotene is the type of coloured pigments which gives yellow and orange colour to plant parts.
- Beta carotene is responsible for bright yellow colour of sunflower.
Biology
Identify the pollinator among the following.
- Butterfly, dragonfly and honey bee all the organisms transport pollen grains from anther to stigma by sitting on one flower to another.
Identify the pollinator among the following.
BiologyGrade-7
- Butterfly, dragonfly and honey bee all the organisms transport pollen grains from anther to stigma by sitting on one flower to another.
Biology
Under the favorable conditions of light, temperature and water the ____________ begins.
- Every seed has specific conditions for it's germination.
- Some seeds need low temperature to germinate like wheat while some seeds need high temperature to germinate like cotton.
Under the favorable conditions of light, temperature and water the ____________ begins.
BiologyGrade-7
- Every seed has specific conditions for it's germination.
- Some seeds need low temperature to germinate like wheat while some seeds need high temperature to germinate like cotton.
Biology
Seed germination is slowed, and ___________ development begins when the temperature falls below a moderate level.
- Low temperature can damage seeds and Stop their germination by development of fungus in them .
Seed germination is slowed, and ___________ development begins when the temperature falls below a moderate level.
BiologyGrade-7
- Low temperature can damage seeds and Stop their germination by development of fungus in them .
