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Olympiad Test: Nutrition In Plants And Animals -1


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

Olympiad Test: Nutrition In Plants And Animals -1 for Class 7 2022 is part of Science Olympiad Class 7 preparation. The Olympiad Test: Nutrition In Plants And Animals -1 questions and answers have been prepared according to the Class 7 exam syllabus.The Olympiad Test: Nutrition In Plants And Animals -1 MCQs are made for Class 7 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Nutrition In Plants And Animals -1 below.
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Olympiad Test: Nutrition In Plants And Animals -1 - Question 1

Nutrients are substances present in

Olympiad Test: Nutrition In Plants And Animals -1 - Question 2

Saprophytes obtain their food from

Olympiad Test: Nutrition In Plants And Animals -1 - Question 3

Raw materials used for photosynthesis are

Olympiad Test: Nutrition In Plants And Animals -1 - Question 4

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

Olympiad Test: Nutrition In Plants And Animals -1 - Question 5

Plants get nitrogen from

Olympiad Test: Nutrition In Plants And Animals -1 - Question 6

Soil in which insectivorous plants grow is deficient in

Olympiad Test: Nutrition In Plants And Animals -1 - Question 7

The correct photosynthetic equation is 

Olympiad Test: Nutrition In Plants And Animals -1 - Question 8

Which of the following is a parasitic plant?

Detailed Solution for Olympiad Test: Nutrition In Plants And Animals -1 - Question 8

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

Olympiad Test: Nutrition In Plants And Animals -1 - 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?

Detailed Solution for Olympiad Test: Nutrition In Plants And Animals -1 - Question 9

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. 

Olympiad Test: Nutrition In Plants And Animals -1 - Question 10

Housefly takes its food by

Olympiad Test: Nutrition In Plants And Animals -1 - Question 11

Teeth used to grind the apple in mouth are

Olympiad Test: Nutrition In Plants And Animals -1 - Question 12

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

Detailed Solution for Olympiad Test: Nutrition In Plants And Animals -1 - Question 12

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.

Olympiad Test: Nutrition In Plants And Animals -1 - Question 13

The portion of tongue used to taste sweetness is

Olympiad Test: Nutrition In Plants And Animals -1 - Question 14

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

Olympiad Test: Nutrition In Plants And Animals -1 - Question 15

The digestion taking place in small intestine is:

Detailed Solution for Olympiad Test: Nutrition In Plants And Animals -1 - Question 15

The digestion taking place in small intestine is extracellular digestion. 

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