Nutrition in Plants MCQs with Answers

Question-1. Which part of the plant gets carbon dioxide from the air for photosynthesis?

1. stomata
2. leaf veins
3. root hair
4. sepals

Question-2. Rhizobium is an example of

1. Symbiosis
2. Insectivorous
3. Parasites
4. none of these

Question-3. The main function of a leaf is:

1. To prepare food
2. To support the plant
3. To prevent disease
4. To give a proper shape

Question-4. Which of the following is an insectivorous plant?

1. Venus Fly trap
2. Lichens
3. Amoeba
4. Euglena

Question-5. Which material is not required for photosynthesis?

1. Water
2. Carbon dioxide
3. Chlorophyll
4. Oxygen

Question-6. Mushroom is

1. An Autotroph
2. Heterotroph
3. Saprotrophic
4. Fungus

Question-7. The mode of nutrition in which organisms make food themselves from simple substances is called

1. Autotrophic nutrition
2. Heterotrophic nutrition
3. Saprotrophic nutrition
4. All of the above

Question-8. The plant which traps and feeds on insects is

1. Cascutta
2. China Rose
3. Pitcher Plant
4. Rose

Question-9. Pitcher is an example of

1. Insectivorous plant
2. Leguminous plant
3. Algae
4. Fungi

Question-10. The process by which a plant prepares its food ?Photosynthesis? takes place in the presence of

1. Moon Light
2. Sunlight
3. Candle light
4. Bulb

Question-11. Which gas is released by the plants in the process of Photosynthesis

1. Oxygen
2. Carbon dioxide
3. Nitrogen
4. Hydrogen

Question-12. Some organisms live together and share shelter and nutrients. This is called

1. Predation
2. Symbiotic relationship
3. Autotrophs
4. Heterotrophs

Question-13. The bacterium which provides nitrogen to the leguminous plants is

1. Rhizobium
2. Yeast
3. Fungi
4. Lichens

Question-14. The components that are necessary for our body are called

1. Vitamins
2. Pulses
3. Nutrients
4. Minerals

Question-15. Pitcher plant is an example of

1. autotroph
2. heterotroph
3. saprotroph
4. partial heterotroph

Question-16. Yeast, mushroom and bread-mould are

1. autotrophic
2. insectivorous
3. saprophytic
4. parasitic

Question-17. Green plants are:

1. autotrophs
2. herbivores
3. omnivores
4. hetrotrophs

Question-18. Iodine used to detect presence of starch. It gives starch

1. blue-black colour
2. red colour
3. green colour
4. colourless appearance

Question-19. Which of the following is not an end product of photosynthesis

1. Carbon dioxide
2. Oxygen
3. Water
4. Glucose

Question-20. Ultimate source of energy is

1. chemical energy
2. wind energy
3. solar energy
4. water energy

Question-21. The internal factor which affects the process of photosynthesis is

1. Chlorophyll
2. Temperature
3. None of these
4. Light

Question-22. The raw materials used for photosynthesis are

1. CO2, O2 H2
2. CO2, water
3. N2, water
4. O2 water

Question-23. Food is used as source of

1. cohesive
2. water
3. adhesive
4. nourishment

Question-24. Guard cell in dicots are

1. dumbbell-shaped
2. biconcave
3. biconvex
4. bean-shaped

Question-25. Which of the following are partial parasites

1. Either Non-green plants or green plants
2. Non-green plants
3. green plants
4. Neither Non-green plants or green plants

Question-26. Which of the following is a nutrient?

1. Fats
2. Vitamins
3. Proteins
4. All of these

Question-27. Plants take in carbon dioxide from the atmosphere generally through

1. flowers
2. stem
3. root
4. leaves

Question-28. All animals are dependent on plants for

1. food
2. water
3. minerals
4. fat

Question-29. Which part of plant is called food factory?

1. Fruits
2. Seeds
3. Leaves
4. Flowers

Question-30. Which of the following organisms gets its food from dead and decaying matter

1. Fungi
2. Algae
3. Amoeba
4. Insectivorous plants

Question-31. Photosynthesis occurs only in

1. green plants
2. fungi
3. all plants
4. aquatic plants

Question-32. Photosynthesis will not occur in leaves in the absence of

1. guard cells
2. chlorophyll
3. vacuole
4. space between cells

Question-33. The green pigment that is present in the leaves are called

1. haemoglobin
2. globulin
3. albumin
4. chlorophyll

Question-34. Parasites obtain their food from

1. insects
2. plants
3. animals
4. all of these

Question-35. Pitcher plant traps insects because it

1. is a heterotroph
2. grows in soils which lacks nitrogen
3. does not have chlorophyll
4. has a digestive system like human beings

Question-36. Amarbel (Cuscut

1. is an example ofa) parasite
2. autotroph
3. saprotroph
4. host

Question-37. Which one of the following is an autotroph?

1. Lichens
2. Algae
3. Fungus
4. Cuscuta

Question-38. Which one of the following is an omnivorous organism?

1. Lion
2. Crow
3. Horse
4. Cow

Question-39. Which one of the following is an autotrophic organism?

1. Mango
2. Dog
3. Human
4. Cuscuta

Question-40. Insectivorous plants are found in

1. marshy areas
2. deserts areas
3. aquatic areas
4. mesophytes

Question-41. What is a saprophyte?

1. Mushroom
2. lichen
3. Venus flytrap
4. Dodder

Question-42. Opening and closing of stomata is controlled by

1. nucleus
2. accessory cells
3. stoma
4. guard cells

Question-43. Most of the plants are

1. omnivores
2. herbivores
3. heterotrophs
4. autotrophs

Question-44. Fungi is a

1. parasite
2. autotroph
3. saprotroph
4. insectivore

Question-45. Fungi can grow on

1. pickles
2. leather and clothes
3. dead and decaying matter
4. all of these

Question-46. Which of the following is an insectivorous plant?

1. Pitcher plant
2. Cuscuta
3. Algae
4. Lichens

Question-47. Human beings get food from

1. plants
2. animals
3. neither (a) or (b)
4. both (a) and (b)

Question-48. Which of the following is the ultimate source of energy for all living organisms?

1. Plants
2. Animals
3. Water
4. Sun

Question-49. What is essential for all living organisms.

1. Protein
2. Fat
3. Food
4. None of these

Question-50. The life processes that provides energy is/are

1. Respiration
2. Both nutrition and respiration
3. nutrition
4. transpiration

Question-51. The process by which green plants prepare their own food in the presence of sunlight is called

1. saprophytic nutrition
2. photosynthesis
3. cellular nutrition
4. nutrition

Question-52. The organisms which prepare their own food are known as

1. saprotrophs
2. autotrophs
3. heterotrophs
4. none of these

Question-53. The study of the role of different components of the diet of living organism is called

1. science of nutrition
2. science of diet
3. science of food
4. science of minerals

Question-54. Numerous small openings observed under the lower surface of a leaf through a Numerous small openings observed under the lower surface of a leaf through a magnifying lens are

1. stomata
2. lamina
3. midrib
4. veins