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- 1. Multiple Choice
The tiny pores present in the leaves of the plants for exchange of gases are called __________
Tracheae
Chloroplast
Stomata
Spiracles
- 2. Multiple Choice
Which of the following statements is NOT true?
Heterotrophs cannot prepare their own food.
Dodder is an example of parasite.
Saprophytes are green.
Pulses and Beans are legumes.
- 3. Multiple Choice
Green plants use which of the following to prepare food?
Carbon dioxide
Sunlight
Water
Chlorophyll
All of these
- 4. Fill in the Blank
Name the chemical "x" in the given image.
- 5. Multiple Choice
Pitcher plant traps insects because it :
Is a heterotroph
Grows in soils which lack in nitrogen
Does not have chlorophyll
Has a digestive system like human beings
- 6. Multiple Choice
The term is used for the mode of nutrition in yeast, mushroom and bread-mould is
Autotrophic
Insectivorous
Saprophytic
Parasitic
- 7. Multiple Choice
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 :
Autotrophs
Saprophytes
Symbiosis
Parasites
- 8. Fill in the Blank
Unscramble the below to form term related to modes of nutrition.
"ROPEHYTSAP"
- 9. Fill in the Blank
Can you give me a name?
Solve each of the following riddles by writing the name of the organism and its mode of nutrition. One riddle is solved to help you.
"I am tall but I cannot move. I am green and can prepare my own food.
Answer :tree, autotroph "
Q. I am white and soft. I grow well in the rainy season. Children pluck me from the ground and admire me. I absorb nutrients from decomposed dead parts of plants and animals in the soil.
Note: Write correct spelling in your answer
Answer: ?
- 10. Fill in the Blank
Identify the organism in the given image.
- 11. Multiple Choice
Which of these plants should the farmer grow to replenish nitrogen back into the soil?
Wheat
Peas
Bacteria
Coral root
- 12. Fill in the Blank
The ………………… (xylem/phloem) carries food produced in the leaves to all parts of the plant.
- 13. Fill in the Blank
Name the following.
- A chemical substance which is rich in one or more soil nutrients
- 14. Multiple Choice
Ultimate source of energy for living organisms is __________
Plants
Water
Sun light
Herbivores
- 15. Multiple Choice
The presence of __________ in leaves indicates the occurance of photosynthesis.
Oxygen
Starch
Proteins
Fats
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