WorksheetsNutrition in Plants and Animals
Total questions: 15
Worksheet time: 8mins
Organisms which prepare food for themselves using simple naturally available raw materials are referred to as
heterotrophs
autotrophs
parasites
saprophytes
Which of the following statements is/are correct?
(i) All green plants can prepare their own food.
(ii) Most animals are autotrophs.
(iii) Carbon dioxide is not required for photosynthesis.
(iv) Oxygen is liberated during photosynthesis.
Choose the correct answer from the options below:
(i) and (iv)
(ii) only
(ii) and (iii)
(i) and (ii)
In the absence of which of the following will photosynthesis not occur in leaves?
vacuole
stomata
chlorophyll
cytoplasm
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.
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
saprophyte
parasite
autotroph
symbiosis
Sunlight, chlorophyll, carbon dioxide, water and minerals are raw materials essential for photosynthesis. Do you know where they are available? Fill in the blanks with the appropriate raw materials.
(a) Available in the plant : _______________
(b) Available in the soil : ___________
(c) Available in the air : _______________
(d) Available during day : _______________
write in full words and put commas in between the answers
(a)
The lower epidermis has openings called the stomata
True
False
If a few leaves of a potted plant are coated with a thin layer of Vaseline or oil, what effect would it have on the leaves?
Rate of transpiration increases
Rate of transpiration decreases
The enzyme secreated by stomach is
Trypsin
Pepsin
Calymase
Acetic acid
The process of breakdown of food particles into small pieces in mouth is called _______.
Digestion
Mastication
Peristalsis
Diffusion
What can you observe in the following diagram?
Gestation
Peristalsis
Mastication
Which gland acts as mixed gland?
Pancreas
Duodenum
Hypothalamus gland
Digestive gland
This length of small intestine and large intestine are respectively
7.5 m and 1.5 m
1.5 m and 7.5 m
7.5 m and 1.0 m
1.5 m and 7.0 m
The term that is used for the mode of nutrition in yeast, mushroom and bread-mould is
autotrophic
parasitic
saprophytic
symbiotic
insectivorous plant is
