The Leaf Test

Result

The Leaf Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Use the following information to answer the next question.

The food manufactured by a plant needs to be distributed to all plant parts to provide energy to these plant parts.

In plants, distribution of food is carried out by

A
stems

B
roots

C
leaves

D
flowers

Solution

This question is successfully answered by the student who knows that stems help in the distribution of nutrients to all plant parts.

The correct answer is A.
Question 2
1 / -0

Photosynthesis is the process by which green plants make their own food. Which of the following factors is not required for photosynthesis to occur?

A
Water

B
Sunlight

C
Sulfur dioxide

D
Carbon dioxide

Solution

Plants do not need sulfur dioxide gas to carry out the process of photosynthesis.

Why alternatives A, B and D are wrong:

Water, sunlight, and carbon dioxide are essential for plants to make their own food.
Question 3
1 / -0

Use the following information to answer the next question.

Plants obtain the various components required for photosynthesis from their surroundings.

Plants obtain carbon dioxide from the atmosphere through their

A
roots

B
stomata

C
sepals

D
petals

Solution

Plants obtain carbon dioxide from the atmosphere through their pores called stomata. These pores are present on the surface of leaves, mostly on their underside.
Question 4
1 / -0

Stem is an important part of the plant body. What is the primary function of the stem?

A
Conducting water and minerals to the leaves

B
Absorbing water and minerals from the soil

C
Carrying out the process of photosynthesis

D
Anchoring the plant to the soil

Solution

The primary function of the stem is to conduct water and nutrients to the leaves and other parts of the plant body.
Question 5
1 / -0

Use the following information to answer the next question.

A and B are two potted plants. Tracy places plant A on the window sill and plant B in a dark corner of her room. She waters both plants regularly. After a few days, she notices that plant B has died, whereas plant A is still healthy.

Plant B died because of the lack of

A
nutrients

B
sunlight

C
oxygen

D
water

Solution

Since plant B was kept in a dark corner, it did not receive sunlight, which is extremely essential for photosynthesis. In the absence of photosynthesis, the plant could not make food and hence died.