Class 7 Science MCQ Nutrition in Plants

Question : The components that are necessary for our body are called __________________________.

(a) Vitamins
(b) Pulses
(c) Nutrients
(d) Minerals

Question : Plants take carbon dioxide from the atmosphere mainly through their:

(a) Roots
(b) Stem
(c) Flowers
(d) Leaves

Question : The internal factor affecting the process of photosynthesis is:

(a) Temperature
(b) Chlorophyll
(c) Light
(d) Water

Question : Which of the following is an insectivorous plant?

(a) Venus Fly trap
(b) Lichens
(c) Amoeba
(d) Euglena

Question : Photosynthesis will not occur in leaves in the absence of

(a) guard cells
(b) chlorophyll
(c) vacuole
(d) space between cells

Question : Left over food in teeth release, which gradually damages teeth.

(a) bases
(b) salts
(c) acids
(d) none of these

Question : Organisms need nutrition to:

(a) Obtain energy
(b) Fight against diseases
(c) Grow
(d) All of these

Question : The chemical used in starch test is:

(a) Safranin
(b) Blue ink
(c) Iodine
(d) Litmus

Question : The mode of nutrition in which organisms make food themselves from simple substances is called__________________________.

(a) Autotrophic nutrition
(b) Heterotrophic nutrition
(c) Saprotrophic nutrition
(d) All of the above

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

(a) Predation
b. Symbiotic relationship
c. Autotrophs
(d) Heterotrophs

Question : Which part of the plant gets carbon dioxide from the air for photosynthesis?

a) stomata
b) leaf veins
c) root hair
d) sepals

Question : Rhizobium is an example of

a) Symbiosis
b) Insectivorous
c) Parasites
d) none of these

Question : The tiny pores present in the leaves of the plants for exchange of gases are called _____

a) Stomata
b) Tracheae
c) Chloroplast
d) Spiracles

Question : The bacterium which provides nitrogen to the leguminous plants is

Rhizobium
(b) Yeast
(c) Fungi
(d) Lichens

Question : Green colour of the plant is due to the presence of __________________________.

(a) Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) Chlorophyll

Question : The plant which traps and feeds on insects is __________________________.

(a) Cascutta
(b) China Rose
(c) Pitcher Plant
(d) Rose

Question : Mushroom is ___________________.

(a) An Autotroph
(b) Heterotroph
(c) Saprotrophic
(d) Fungus

Question : The plant which traps and feeds on insects is

a) pitcher plant
b) rose
c) china rose
d) cuscuta

Question : Amarbel (Cuscuta) is an example of

a) parasite
b) autotroph
c) saprotroph
d) host

Question : Pitcher is an example of

(a) Insectivorous plant
(b) Leguminous plant
(c) Algae
(d) Fungi

Question : The process by which a plant prepares its food “Photosynthesis” takes place in the presence of __________________________.

(a) Moon Light
(b) Sunlight
(c) Candle light
(d) Bulb

Question : ___________ gas is released by the plants in the process of Photosynthesis__________________________.

Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) Hydrogen

Question : Iodine used to detect presence of starch. It gives starch

a) blue-black colour
b) red colour
c) green colour
d) colourless appearance

Question : Green plants are:

a) autotrophs
b) herbivores
c) omnivores
d) hetrotrophs

Question : The life processes that provides energy is/are

a) Respiration
b) Both nutrition and respiration
c) nutrition
d) transpiration

Question : The main function of a leaf is:

a) To prepare food
b) To support the plant
c) To prevent disease
d) To give a proper shape

Question : Which of the following statements is NOT true?

a) Saprophytes are green
b) Dodder is an example of parasite.
c) Heterotrophs cannot prepare their own food.
d) Pulses and Beans are legumes.

Question : Green plants use which of the following to prepare food?

a) All of these
b) Carnon Dioxide
c) Water
d) Sunlight

Question : Which of the following is an insectivorous plant?

a) Venus Fly trap
b) Lichens
c) Amoeba
d) Euglena

Question : __________ is a saprophyte?

a) Mushroom
b) lichen
c) Venus flytrap
d) Dodder

Question : The internal factor which affects the process of photosynthesis is

a) Chlorophyll
b) Temperature
c) None of these
d) Light

Question : Which of the following are partial parasites

a) Either Non-green plants or green plants
b) Non-green plants
c) green plants
d) Neither Non-green plants or green plants

Question : The associations of organism where they live together and share shelter and nutrients is known as

a) Symbiosis
b) Autotroph
c) Parasite
d) Saprophyte

Question : Photosynthesis is not possible in the absence of

a) Chlorophyll
b) Guard cells
c) Space between cells
d) Vacuole

Question : Which of the following is not an end product of photosynthesis

a) Carbon dioxide
b) Oxygen
c) Water
d) Glucose