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WorksheetsNutrition
Total questions: 25
Worksheet time: 13mins
What is the form of food produced after photosynthesis?
Cellulose
Starch
Glucose
None of these
What is the function of chlorophyll?
Trapping of sunlight
Helpful in Splitting of water
Reduction of Carbon dioxide into Glucose
All of these
Which part of the plants absorb Carbon dioxide?
Root
Stem
Leaf
Stomata
The autotrophic mode of nutrition requires:
Carbon dioxide and water
Chlorophyll
Sunlight
All of the above
Which of the following is an example of autotroph?
Grass
Mushroom
Amoeba
Paramoecium
Entry of which substance in the guard cells open the stomata?
Carbohydrate
Carbon Dioxide
Starch
Water
Which of the following is the correct way of defining the term photosynthesis?
The process in which autotrophs take in carbon dioxide, water and minerals in the presence of sunlight and chlorophyll to synthesize carbohydrates is called photosynthesis
The process in which carbohydrates are utilised to provide energy is called photosynthesis.
The process in which heterotrophs depend on plants for food is called photosynthesis.
Which of the following events do not occur during photosynthesis?
Absorption of light energy by chlorophyll.
Conversion of light energy to chemical energy.
splitting of water into hydrogen and oxygen.
Oxidation of carbohydrates into carbon dioxide and water
Reduction of carbon dioxide to carbohydrates.
The opening and closing of stomata is a function of _____cells.
mesophyll cells
epidermal cells
guard cells
What inorganic substances are required for autotrophic nutrition
Carbon dioxide, water
Water, sunlight
Carbon dioxide, sunlight
All
Which process is used by plants for converting inorganic to organic substance
Photosynthesis
Transpiration
Translocation
All
Why is sunlight required during photosynthesis
For energy production
For movements
For respiration
For circulation
What is food stored in animals
Glycogen
Starch
Proteins
Oils
How many molecules of carbon dioxide and water are used in photosynthesis
6,12
12,6
6,6
12,12
What are steps of photosynthesis
Chlorophyll Absorbs sunlight
Light energy converted to chemical energy
Water broken into hydrogen and oxygen
Carbon dioxide converted to carbohydrates
All
Which of the following statements about the autotrophs is incorrect?
(a) They synthesise carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll
(b) They store carbohydrates in the form of starch
(c) They convert carbon dioxide and water into carbohydrates in the absence of sunlight
(d) They constitute the first trophic level in food chains
Which of the following are complex organic substances?
water
nitrogen
proteins
Chlorophyll is mainly located in which part of the plant
Green leaf
Bark
Stem
Root
chloroplasts are present in the ___________ of the leaf.
palisade parenchyma
aerenchyma
sclrenchyma
collenchyma
What happens to the unused carbohydrates produced in the plant body?
Gets broken down and dissipated as heat.
Transported to stem in the form of glycogen.
Expelled from plant body through excretion.
Stored in the form of starch for future use.
Guard cells are usually ___________________
rectangular in shape
pear-shaped
spherical
kidney shaped
What do you mean by the term nutrition?
The process of consumption and utilization of food by the body of the organism .
The process of removing energy from inside the body of the organism to outside
The process of studying about different kinds of food.
Which organelle is responsible making food (Glucose) using sunlight?
Cell Membrane
Nucleus
Chloroplast
Mitochondria
How does most of the water needed by the plant get into its leaves?
It enters through the stomata
The roots absorb it and then it travels up the stem
It's made during a chemical reaction in the leaf
The flowers capture water and deliver it to the leaves
Which of the following is the correct equation for PHOTOSYNTHESIS?
light + carbon dioxide + water --> glucose + oxygen
carbon dioxide + sugar + water --> oxygen + light
oxygen + light + water --> carbon dioxide + sugar
carbon dioxide + oxygen + water --> Light+ Sugar
