Science- class 6 (The leaf)- Div B

1.This part of the leaf attaches the leaf base to the stem

• Apex

• Petiole

• Leaf apex

• Lamina

2. At night, when there is no sunlight, the plants take in oxygen and release

• Nitrogen

• Carbon dioxide

• Sulphur

• none of these

3.This plant has highly segmented leaves

• Pitcher plant

• Venus flytrap

• Bladderwort

• Begonia

4.In Bryophyllum , buds are called

• Epiphyllous

• Adventitious

• Tendrils

• Spines

5. As a result of photosynthesis leaves prepare food in the form of

• Chlorophyll

• Sugars

• Carbon dioxide

• Green pigment

6. Tendrils help a plant in

• Storing food

• Climbing

• Preparing food

• Respiration

7.Pitcher shape in a pitcher plant is a modified

• Stem

• Root

• Leaf

• Flower

8. Transpiration occurs through the

• Roots

• Flowers

• Leaves

• Fruits

9.Exchange of gases occur in leaves through

• Stomata

• Stem

• Flowers

• Fruits

10.In this type of arrangement , a pair of leaves arises from the same node but opposite to each other

• Alternate

• Whorled

• Opposite

• None of these.