Flashcards
Class 7, Chapter 1 - Nutrition in Plants | NCERT
Flashcards for quick repetition. How plants get their food? How photosynthesis work? Other modes of nutrition in plants. Science class 7 chapter 1 exercise test and solutions.
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Which of those are nutrients?
fats
carbohydrates
vitamins
water
proteins
minerals
fats
carbohydrates
vitamins
proteins
minerals
Which statements are true?
1. Plants are the only organisms that can procude food for themselves.
2. Animals and fungi are heterotrophs.
3. Jelly-like substance that fills the cell is called nucleus.
1. Plants are the only organisms that can procude food for themselves.
2. Animals and fungi are heterotrophs.
Organisms that produce their own food from simple substances are calles:
autotrophs
What is the name of green pigment in leaves?
chlorophyll
How photosynthesis works?
. . . . . . . .
+
. . . . . . . .
--- sunlight --->
. . . . . . . .
+
. . . . . . . .
Carbon dioxide + water --- sunlight ---> carbohydrate + oxygen
Which statements are true?
1. Starch is carbohydrate.
2. Leaves other than green does not have chlorophyll.
3. The only part of a plant that is able to perform photosynthesis is leaf.
1. Starch is carbohydrate.
What organ lets leaf to absorb carbon dioxide from atmosphere?
From where do the plants get nitrogen?
Production of which nutrients require nitrogen?
Which statements are true?
1. Not all plants have chlorophyll.
2. Fungi are able to perform photosynthesis.
3. Symbiosis is a cooperation between at least two different species
1. Not all plants have chlorophyll.
2. Symbiosis is a cooperation between at least two different species
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
What are the best conditions for fungi to grow?
hot and dry
cold and dry
hot and humid
cold and humid
What is the name of fungi that lives with cooperation with algae?
lichen
What is Rhizobium?
bacteria that converts atmospheric nitrogen to usable for plants form
plant feeding on insects
parasitic fungi that attacks roots of peas and other legumes and destroys crops
plant climbing on other plants and depriving them of valuable nutrients
bacteria that converts atmospheric nitrogen to usable for plants form
Which statements are true?
1. All animals are heterotrophs.
2. Most plants are autotrophs.
3. Some plants feed on insects.
1. All animals are heterotrophs.
2. Most plants are autotrophs.
3. Some plants feed on insects.
Select all heterotrophic plants.
Teak
Hibiscus
Bamboo
Cuscuta
Pitcher plant
