Nutrition in Plants
Nutrition in Plants, Biology, Science, VII, Auto-trophic, Hetro-tophic
Questions
An association of two different organisms, in which both are benefitted is called ____________.
- heterotrophic
- saprophytic
- parasitic
- symbiotic
- partially parasitic
Which of the following organisms prepare food for themselves using simple naturally available raw materials?
- Autotrophs
- Hetrotrophs
- Parasites
- Saprophytes
- Insectivores
The absence of which of the following will be a reason for photosynthesis not taking place in the plants?
- Oxygen
- Cell wall
- Water
- Chlorophyll
- Centrosomes
Which of the following is/are the correct reason/s for the pitcher plant being an insectivorous plant?
(a) It has a digestive system like human beings, (b) It lacks chlorophyll, (c) It grows in soils that lack nitrogen
- only a
- only b
- only c
- both b and c
- a, b and c
Which of the following statements is correct?
- Plants use chemical substances like carbon dioxide and nitrogen derived from the atmosphere, for the synthesis of food.
- Using carbon dioxide as a source of energy, plants convert simple substances into complex food.
- Complex chemical substances such as chlorophyll and proteins are the products of photosynthesis.
- Solar energy is stored in the form of food in the leaves with the help of stomata.
- The presence of starch in leaves indicates the occurrence of photosynthesis.
Cuscuta is an example of ____________.
- host
- saprotroph
- insectivores
- autotroph
- parasite
Which of the following plants is an example of a saprotroph?
- Amarbel
- Mushroom
- China rose
- Venus fly trap
- Tiger lily
The mode of nutrition of bread yeast and fungi is called _____________.
- autotrophic
- insectivores
- parasitic
- saprotrophic
- symbiotic
Tiny pores, or guard cells present on the surface of leaves, are called _________.
- cell membrane
- nucleus
- cytoplasm
- stomata
- chlorophyll
What is the mode of nutrition of algae?
- Autotrophic
- Saprophytic
- Insectivores
- Parasitic
- Symbiotic
Which of the following is also known as the food factory of the plant?
- Stem
- Root
- Fruit
- Leaf
- Branch
Which of the following plants requires extra nitrogen in the form of fertilizers?
- Gram
- Peas
- Moong
- Beans
- Wheat
Photosynthesis requires several raw materials. Match the location with the raw material:
| a. Plant | 1. Carbon dioxide |
| b. Soil | 2. Sunlight |
| c. Air | 3. Chlorophyll |
| d. Day | 4. Nitrogen |
- a - 1, b - 2, c - 3, d - 4
- a - 2, b - 4, c - 3, d - 1
- a - 3, b - 4, c - 1, d - 2
- a - 4, b - 2, c - 3, d - 1
- a - 1, b - 2, c - 4, d - 3
Which of the following statement/s is/are correct?
(a) Fungi reproduce using spores that germinate and grow into a new fungus.
(b) Heterotrophic plants do not have chlorophyll.
(c) The food is sent to other parts of the plant through the stomata.
- only a
- only b
- only c
- both a and b
- a, b and c
Match the following columns.
| Column I | Column II |
| a. Mistle-toe | 1. Parasite |
| b. Lichen | 2. Symbiotic |
| c. Dodder | 3. Partial parasite |
- a - 1, b - 2, c - 3
- a - 2, b - 1, c - 3
- a - 3, b - 2, c - 1
- a - 3, b - 1, c - 2
- a - 2, b - 3, c - 1