Questions and answers
Class 7, Chapter 1 - Nutrition in Plants | NCERT
All questions and answers from this set. How plants get their food? How photosynthesis work? Other modes of nutrition in plants. Science class 7 chapter 1 exercise test and solutions.
Questions: 16
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Question 1
Which of those are nutrients?
carbohydrates
proteins
fats
vitamins
minerals
Question 2
Which statements are true?
Plants are the only organisms that can procude food for themselves.
True
Animals and fungi are heterotrophs.
True
Jelly-like substance that fills the cell is called nucleus.
False
Question 3
Organisms that produce their own food from simple substances are calles:
autotrophs
Question 4
What is the name of green pigment in leaves?
chlorophyll
Question 5
How photosynthesis works?
Carbon dioxide
+ water
--- sunlight ---> carbohydrate
+ oxygen
Question 6
Which statements are true?
Starch is carbohydrate.
True
Leaves other than green does not have chlorophyll.
False
The only part of a plant that is able to perform photosynthesis is leaf.
False
Question 7
What organ lets leaf to absorb carbon dioxide from atmosphere?
stomata
Question 8
From where do the plants get nitrogen?
soil
Question 9
Production of which nutrients require nitrogen?
proteins
vitamins
Question 10
Which statements are true?
Not all plants have chlorophyll.
True
Fungi are able to perform photosynthesis.
False
Symbiosis is a cooperation between at least two different species
True
Question 11
Match columns.
Organisms relying on other as a food source
heterotrophs
Organisms obtaining nutrition from dead and decaying matter.
saprotrophs
Organisms synthesising food for themselves.
autotrophs
Question 12
What are the best conditions for fungi to grow?
hot and humid
Question 13
What is the name of fungi that lives with cooperation with algae?
lichen
Question 14
What is Rhizobium?
bacteria that converts atmospheric nitrogen to usable for plants form
Question 15
Which statements are true?
All animals are heterotrophs.
True
Most plants are autotrophs.
True
Some plants feed on insects.
True
Question 16
Select all heterotrophic plants.
Cuscuta
Pitcher plant