General Science Class 7

Which one of the following is the main reason of heart attack?

1. Low blood pressure
2. Anaemia
3. Dehydration
4. Cholesterol

Heart attack is scientifically known as?

1. Cardiac Arrest
2. Coronary Thrombosis
3. Myocardial Infarction
4. Arterial Fibrillation

In plants, water and minerals are transported from roots to the leaves by:

1. Phloem
2. Xylem
3. Stomata
4. Cambium

In plants, which part transports sugar produced in the leaves to all parts of plants?

1. Phloem
2. Xylem
3. Stomata
4. Roots

The tubular outgrowth part of roots in plants have the function of ___in the system.

1. Support the plant
2. Absorb salts and gases
3. Photosynthesis
4. Reproduction

Water enters the root hair by:

1. Diffusion
2. Osmosis
3. Active Transport
4. Transpiration

The evaporation of water from aerial parts of the plant especially through leaves is called?

1. Translocation
2. Photosynthesis
3. Respiration
4. Transpiration

The movement of materials/sugar from the leaves to other tissues of the plant is called?

1. Translocation
2. Photosynthesis
3. Respiration
4. Transpiration

The male reproductive part of the flower is called?

1. Stamen
2. Pistil
3. Carpel
4. Anther

The female reproductive part of the flower is called?

1. Stamen
2. Pistil
3. Anther
4. Filament