Olympiad Test: Plant Life -1


20 Questions MCQ Test Science Olympiad Class 4 | Olympiad Test: Plant Life -1


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Attempt Olympiad Test: Plant Life -1 | 20 questions in 40 minutes | Mock test for Class 4 preparation | Free important questions MCQ to study Science Olympiad Class 4 for Class 4 Exam | Download free PDF with solutions
QUESTION: 1

Photosynthesis is the process by which plants convert:

Solution:

Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel.

QUESTION: 2

The loss of water through the leaves of a plant is called:

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QUESTION: 3

The stomata are the pores in the leaf. Their function is to take in:

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QUESTION: 4

During what time of the day does the process shown in the picture take place in plants?

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QUESTION: 5

Study the figure given here and identify the gases X and Y.

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QUESTION: 6

What does etiolation mean?

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QUESTION: 7

Mushroom gets its food from:

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QUESTION: 8

Plants store extra food in the form of:

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QUESTION: 9

In the carrot, food is stored in the:

Solution:

 carrots store food in its roots and live on it all winter and in summers a new plant grows from these roots. When they have extra food they store it in their seeds and when the seed grows it gets it's food from the plant until the plant is able to photosynthesis and produce its food.

QUESTION: 10

Water is taken from the surroundings into the plant through the:

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QUESTION: 11

An example of a fruit containing seeds that is edible to humans is a:

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QUESTION: 12

The main purpose of flowers is to provide:

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QUESTION: 13

Leaves provide the surface area necessary for:

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QUESTION: 14

Which of the following statements is/are true?
i. Plants are living organisms
ii. All organisms including plants are composed of cells, grow, reproduce, and respond to various kinds of stimuli like temperature
iii. Sea anemone is a plant
iv. Plants have the ability to manufacture food, which distinguishes them from other living organisms

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QUESTION: 15

Which of the following structures of plant exchange gases?

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QUESTION: 16

Which of the following instruments is used to examine the cells of a leaf?

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QUESTION: 17

The tiny pores present on the leaves of plants are called:

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QUESTION: 18

Spines in cacti are:

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QUESTION: 19

They grow underground, but while we might think of them as roots, they are actually a specified part of the plant’s stem.

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QUESTION: 20

Asparagus is a:

Solution:
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