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Worksheetsnutrition in plants
Total questions: 20
Worksheet time: 15mins
Organisms which prepare food for themselves using simple naturally available raw materials are referred to as
(a) heterotrophs
(b) autotrophs
(c) parasites
(d) saprophytes
When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which of the following is the term given to such openings?
(a) Stomata
(b) Lamina
(c) Midrib
(d) Veins
In the absence of which of the following will photosynthesis not occur in leaves?
(a) Guard cells
(b) Chlorophyll
(c) Vacuole
(d) Space between cells
Two organisms are good friends and live together. One provides shelter, water, and nutrients while the other prepares and provides food. Such an association of organisms is termed as
(a) saprophyte
(b) parasite
(c) autotroph
(d) symbiosis
Pitcher plant traps insects because it
(a) is a heterotroph.
(b) grows in soils which lack in nitrogen.
(c) does not have chlorophyll.
(d) has a digestive system like human beings.
Cuscuta is an example of
autotroph
parasite
saprotroph
host
Green plants are called (a) , since they prepare their own food.
Chlorophyll containing structures in a plant cell
Stomata
guard cells
Chloroplast
none of these
During photosynthesis, the stomata help in the intake of
Oxygen
Carbon dioxide
Water
Nitrogen
Chlorophyll helps the plants to
Exchange gases
Absorb water from the stem
Transport food from the leaves to the other parts
Absorb energy from the sunlight
Green pigment present in the leaves is _____.
Stomata
Stem
Chlorophyll
Algae
The process of Photosynthesis produces
Carbon Dioxide
Nitrogen
Oxygen
Hydrogen
Organisms other than plants which contain Chlorophyll are
Algae
Protozoa
Virus
Fungi
What protects Stomata and helps it in opening and closing?
Guard Cells
Leaf
Stem
Carbon Dioxide
Solar energy is converted into chemical energy during photosynthesis.
True
False
The products of photosynthesis are not a protein.
True
False
Plants which synthesis their food themselves are called saprotrophs
True
False
What do the patches of green layer floating on the surface of stagnant water bodies like ponds and lakes consist of ?
Algae.
Bacteria
Virus
Organisms that make their own food using abiotic factors (you may select more than one answer)
autotrophs
heterotrophs
producers
consumers
The tiny spores of fungus plants are always present in _____
air
water
light
earth
