CBSE Class 7 - Science - Ch1 - Nutrition in Plants (MCQs)

Nutrition in Plants

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(MCQs)

Q1: Green plants are:
(a) herbivores
(b) autotrophs
(c) hetrotrophs
(d) omnivores

Q2: The tiny pores present in the leaves of the plants for exchange of gases are called _____

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


Q3: Rhizobium is an example of

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



Q4: Which part of the plant gets carbon dioxide from the air for photosynthesis?

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


Q5: Iodine used to detect presence of starch. It gives starch 

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


Q6(NCERT): Amarbel (Cuscuta) is an example of:

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


Q7(NCERT): The plant which traps and feeds on insects is:

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


Q8: Green plants use which of the following to prepare food?

(a) Carnon DiOxide
(b) Sunlight
(c) Water
(d) All of these


Q9: Which of the following statements is NOT true?

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


Q10: The main function of a leaf is:
(a) To prepare food
(b) To prevent disease
(c) To support the plant
(d) To give a proper shape



See also ☛  Ch 1 Nutrition in Plants (Q & A)


Answer: 
1: (b) autotrophs
2: (a) Stomata
3: (a) Symbiosis
4: (b) stomata
5: (c) blue-black colour
6: (b) parasite
7: (c) pitcher plant
8: (d) All of these
9: (c) Saprophytes are green.
10: (a) To prepare food