CBSE Class 7 Science Nutrition in Plants MCQs

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

Answer: To prepare food

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.

Answer: Saprophytes are green

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

a) All of these

b) Carnon Dioxide

c) Water

d) Sunlight

Answer: All of these

Question: The plant which traps and feeds on insects is

a) pitcher plant

b) rose

c) china rose

d) cuscuta

Answer: pitcher plant

Question: Amarbel (Cuscuta) is an example of

a) parasite

b) autotroph

c) saprotroph

d) host

Answer: parasite

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

a) blue-black colour

b) red colour

c) green colour

d) colourless appearance

Answer: blue-black colour

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

a) stomata

b) leaf veins

c) root hair

d) sepals

Answer: stomata

Question: Rhizobium is an example of

a) Symbiosis

b) Insectivorous

c) Parasites

d) none of these

Answer: Symbiosis

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

Answer: Stomata

Question: Green plants are:

a) autotrophs

b) herbivores

c) omnivores

d) hetrotrophs

Answer: autotrophs

Question: The life processes that provides energy is/are

a) Respiration

b) Both nutrition and respiration

c) nutrition

d) transpiration

Answer: Respiration

Question: Which of the following is an insectivorous plant?

a) Venus Fly trap

b) Lichens

c) Amoeba

d) Euglena

Answer: Venus Fly trap

Question: __________ is a saprophyte?

a) Mushroom

b) lichen

c) Venus flytrap

d) Dodder

Answer: Mushroom

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

a) Chlorophyll

b) Temperature

c) None of these

d) Light

Answer: Chlorophyll

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

Answer: Either 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

Answer: Symbiosis

Question: Photosynthesis is not possible in the absence of

a) Chlorophyll

b) Guard cells

c) Space between cells

d) Vacuole

Answer: Chlorophyll

Question: Which of the following are autotrophs

a) Green plants

b) All animals

c) all plants

d) Unicellular organisms

Answer: Green plants

Question: Which of the following organisms gets its food from dead and decaying matter

a) Fungi

b) Algae

c) Amoeba

d) Insectivorous plants

Answer: Fungi

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

a) Carbon dioxide

b) Oxygen

c) Water

d) Glucose

Answer: Carbon dioxide