Green Plants(Leaf) - Grade 4 Quiz

The leaves have tiny pores called________.

• stoma

• veins

• starch

• leaf blade

The main source of energy on the earth is ___________.

• generator

• sun

• moon

• none of these

Leaf is attached to the stem with the help of ________

• midrib

• none of these

• stalk

• leaf blade

Which of the following can perform photosynthesis?

• dog

• cactus

• lion

• deer

The green pigment in leaves that captures the energy from the sun.

• leaves

• chlorophyll

• photosynthesis

• borophyll

What is the process by which plants make their own food?

• Photosynthesis

• Respiration

• Transpiration

• Germination

What is the primary function of the stomata in plant leaves?

• Gas exchange

• Photosynthesis

• Water absorption

• Seed production

1. Imagine a leaf without a petiole. How would that affect the plant?

• The leaf would still be able to make food through photosynthesis.

• The leaf doesn't get water and nutrients.

• The leaf would detach and fall off the plant.

• The plant would grow taller.

How do you think leaves have been used?

• Leaves have been used for communication devices
• Leaves have been used for transportation purposes
• Leaves have been used for food, medicine, decoration, insulation, compost, and in traditional ceremonies.
• Leaves have been used for timekeeping