Olympiad Test: Nutrition In Plants And Animals -1


15 Questions MCQ Test Science Olympiad Class 7 | Olympiad Test: Nutrition In Plants And Animals -1


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Attempt Olympiad Test: Nutrition In Plants And Animals -1 | 15 questions in 30 minutes | Mock test for Class 7 preparation | Free important questions MCQ to study Science Olympiad Class 7 for Class 7 Exam | Download free PDF with solutions
QUESTION: 1

Nutrients are substances present in

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QUESTION: 2

Saprophytes obtain their food from

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QUESTION: 3

Raw materials used for photosynthesis are

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QUESTION: 4

Leaves have a network of veins to transport materials in them, the correct pair is

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QUESTION: 5

Plants get nitrogen from

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QUESTION: 6

Soil in which insectivorous plants grow is deficient in

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QUESTION: 7

The correct photosynthetic equation is 

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QUESTION: 8

Which of the following is a parasitic plant?

Solution:

Cuscuta is a parasitic plant. It lack chlorophyll hence it appears as yellow tubular structure and obtains its food from its host mulberry. 

QUESTION: 9

Statement A: All green plants have chlorophyll pigment.
Statement B: Without chlorophyll, photosynthesis cannot take place.

Q. From the above statements, Shweta concluded that the dark red coloured croton plants in her garden cannot prepare food on its own. But her teacher said it is not true. Why?

Solution:

Croton plants have chlorophyll but other red pigments are more in number than the chlorophyll so they are not in green colour they can perform photosynthesis. 

QUESTION: 10

Housefly takes its food by

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QUESTION: 11

Teeth used to grind the apple in mouth are

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QUESTION: 12

Cellulose forms a large part of the undigested matter we eat. It is  

Solution:

Correct Answer :- d

Explanation : Cellulose forms the large part of the undigested matter we egest. It is the substance the 'cell wall' of the plant is made of. They are highly complex in nature and are ejected from the body undigested.  

Certain herbivorous animals like cow, goat are capable enough to digest the cellulose because they have better enzyme support reactions occurring in them. They are capable enough to undergo the digestion and eject the undigested food.

QUESTION: 13

The portion of tongue used to taste sweetness is

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QUESTION: 14

Which of the following are called food factories of the plant?

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QUESTION: 15

The digestion taking place in small intestine is:

Solution:

The digestion taking place in small intestine is extracellular digestion. 

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