Questions and Answers
Class 7, Chapter 1 - Nutrition in Plants | NCERT
1.
Which of those are nutrients?
carbohydrates, proteins, fats, vitamins, minerals
Which statements are true?
2.
Plants are the only organisms that can procude food for themselves.
True
3.
Animals and fungi are heterotrophs.
True
4.
Jelly-like substance that fills the cell is called nucleus.
False
5.
Organisms that produce their own food from simple substances are calles:
autotrophs
6.
What is the name of green pigment in leaves?
chlorophyll
7.
How photosynthesis works?
Carbon dioxide + water --- sunlight ---> carbohydrate + oxygen
Which statements are true?
8.
Starch is carbohydrate.
True
9.
Leaves other than green does not have chlorophyll.
False
10.
The only part of a plant that is able to perform photosynthesis is leaf.
False
11.
What organ lets leaf to absorb carbon dioxide from atmosphere?
stomata
12.
From where do the plants get nitrogen?
soil
13.
Production of which nutrients require nitrogen?
proteins, vitamins
Which statements are true?
14.
Not all plants have chlorophyll.
True
15.
Fungi are able to perform photosynthesis.
False
16.
Symbiosis is a cooperation between at least two different species
True
17.
Organisms relying on other as a food source
heterotrophs
18.
Organisms obtaining nutrition from dead and decaying matter.
saprotrophs
19.
Organisms synthesising food for themselves.
autotrophs
20.
What are the best conditions for fungi to grow?
hot and humid
21.
What is the name of fungi that lives with cooperation with algae?
lichen
22.
What is Rhizobium?
bacteria that converts atmospheric nitrogen to usable for plants form
Which statements are true?
23.
All animals are heterotrophs.
True
24.
Most plants are autotrophs.
True
25.
Some plants feed on insects.
True
26.
Select all heterotrophic plants.
Cuscuta, Pitcher plant