General Science for Class 5

Which supplies food from the endosperm to the developing embryo in maize seed?

1. Embryo
2. Endosperm
3. Seed coat
4. Cotyledon

During germination of maize seed, first part arises from the seed is?

1. Radical Root
2. Cotyledon
3. Hypocotyl
4. Plumule

A straight stalk like structure grows out of the soil is called?

1. Cotyledon
2. Hypocotyl
3. Coleoptile
4. None

Coleoptile is a structure found in:

1. Maize Seed
2. Bean Seed
3. Both A and B
4. None

Most seeds germinate between the temperature?

1. 10°C to 15°C
2. 16°C to 24°C
3. 25°C to 30°C
4. 31°C to 35°C

Hypocotyl hook is formed during the germination of?

1. Bean Seed
2. Maize Seed
3. Apple Seed
4. None

In which type of seed the process hypogeal germination takes place?

1. Dicot Seed
2. Monocot Seed
3. Tricot
4. None

What is the substance that causes undesirable change to the environment?

1. Climate Change
2. Pollution
3. Pollutant
4. None

Air pollution is caused by?

1. Solid
2. Liquid
3. Gases
4. All of these

What is not a cause of air pollution?

1. Burning of fuel
2. Burning of solid waste
3. Coal
4. Water from domestic use