1. Which process enables green plants to prepare their own food?
- Respiration
- Transpiration
- Photosynthesis
- Germination
Correct Answer: Photosynthesis
2. Which of the following is NOT required for photosynthesis?
- Carbon dioxide
- Water
- Nitrogen
- Sunlight
Correct Answer: Nitrogen
3. The green pigment present in leaves is called _
- Chlorophyll
- Haemoglobin
- Carotene
- Xanthophyll
Correct Answer: Chlorophyll
4. Which part of the plant absorbs carbon dioxide from the air for photosynthesis?
- Roots
- Stem
- Stomata
- Chloroplasts
Correct Answer: Stomata
5. In which cell organelle does photosynthesis take place?
- Mitochondria
- Nucleus
- Ribosome
- Chloroplast
Correct Answer: Chloroplast
6. The ultimate source of energy for all living organisms is.
Correct Answer: Sun
7. Plants that derive nutrition from dead and decaying matter are called
- Autotrophs
- Heterotrophs
- Saprotrophs
- Parasites
Correct Answer: Saprotrophs
8. The mode of nutrition in pitcher plant is ____.
- Autotrophic
- Saprophytic
- Insectivorous
- Symbiotic
Correct Answer: Insectivorous
9. Which gas is released during photosynthesis?
- Carbon dioxide
- Nitrogen
- Oxygen
- Methane
Correct Answer: Oxygen
10. The process of making food in plants using sunlight is known as ____.
- Transpiration
- Respiration
- Photosynthesis
- Assimilation
Correct Answer: Photosynthesis
11. Which of the following organisms shows symbiotic nutrition?
- Cuscuta
- Lichens
- Mushroom
- Yeast
Correct Answer: Lichens
12. Which of these plants lacks chlorophyll?
- Neem
- Mango
- Cuscuta
- Money Plant
Correct Answer: Cuscuta
13. The small pores present on leaves for gaseous exchange are called ____.
- Lenticels
- Stomata
- Cuticle
- Node
Correct Answer: Stomata
14. Which of the following is a non-green plant?
- Coriander
- Mushroom
- Spinach
- Neem
Correct Answer: Mushroom
15. Which element is essential for the synthesis of proteins in plants?
- Oxygen
- Nitrogen
- Hydrogen
- Sulphur
Correct Answer: Nitrogen
16. Which part of the plant carries prepared food from leaves to other parts?
- Xylem
- Phloem
- Cambium
- Pith
Correct Answer: Phloem
17. What type of nutrition is found in green plants?
- Heterotrophic
- Parasitic
- Autotrophic
- Saprophytic
Correct Answer: Autotrophic
18. Which part of a leaf traps sunlight?
- Epidermis
- Chloroplast
- Guard cells
- Cuticle
Correct Answer: Chloroplast
19. Which of the following helps in absorption of water and minerals from the soil?
- Stomata
- Root hairs
- Stem
- Leaves
Correct Answer: Root hairs
20. Which plant traps and digests insects for nitrogen?
- Money plant
- Pitcher plant
- Peepal
- Rose
Correct Answer: Pitcher plant
21. The process of photosynthesis occurs only in the presence of ____.
- Moonlight
- Sunlight
- Carbon dioxide
- Oxygen
Correct Answer: Sunlight
22. Which one is a parasitic plant?
Correct Answer: Cuscuta
23. Which bacterium converts atmospheric nitrogen into usable form for plants?
- Lactobacillus
- Rhizobium
- E. coli
- Nitrosomonas
Correct Answer: Rhizobium
24. Which part of Rhizobium bacteria lives in leguminous plants?
- Leaves
- Root nodules
- Stem
- Seeds
Correct Answer: Root nodules
25. The food produced in photosynthesis is mainly stored in plants as ____.
- Protein
- Starch
- Fat
- Vitamin
Correct Answer: Starch
26. Which of the following pairs is correctly matched?
- Mushroom – Parasite
- Cuscuta – Autotroph
- Mushroom – Saprophyte
- Rhizobium – Parasite
Correct Answer: Mushroom – Saprophyte
27. What is the color of iodine when it reacts with starch?
- Green
- Yellow
- Blue-black
- Brown
Correct Answer: Blue-black
28. The insect-trapping part of a pitcher plant is actually a modified ____.
Correct Answer: Leaf
29. Which gas is utilized during photosynthesis?
- Oxygen
- Nitrogen
- Carbon dioxide
- Hydrogen
Correct Answer: Carbon dioxide
30. What is the main product of photosynthesis?
- Glucose
- Oxygen
- Carbon dioxide
- Water
Correct Answer: Glucose
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