Nutrition in Plants Class 7 MCQs Questions with Answers
Choose the correct answer:
Question 1.
Which of the following is a nutrient?
(a) Protein
(b) Fat
© Vitamin
(d) All of these
Question 2.
Human beings can be categorised as
(a) heterotrophs
(b) autotrophs
© parasites
(d) saprotrophs
Question 3.
The food making process in plants is called as
(a) glycolysis
(b) photosynthesis
© photolysis
(d) chemosynthesis
Question 4.
Which part of the plant is called its food factory ?
(a) Fruits
(b) Seeds
© Leaves
(d) Flowers
Question 5.
Tiny pores present on the surface of leaves through which gaseous exchange occurs are called
(a) stomata
(b) guard cells
© food holes
(d) gas holes
Question 6.
What is the ultimate source of energy for all living organisms?
(a) Water energy
(b) Wind energy
© Solar energy
(d) Chemical energy
Question 7.
Green pigment present in the leaves is called
(a) haemoglobin
(b) globulin
© albumin
(d) chlorophyll
Question 8.
During photosynthesis plants
(a) take oxygen and release carbon dioxide
(b) take carbon dioxide and release oxygen
© take carbon dioxide but do not release oxygen
(d) take oxygen but do not release carbon dioxide
Question 9.
During photosynthesis
(а) solar energy is converted into chemical energy
(b) solar energy is converted into mechanical energy
© chemical energy is converted into mechanical energy
(d) bioenergy is converted into chemical energy
Question 10.
The raw materials for photosynthesis are
(а) CO2
(b) CO2, O2, H2
© N2 water
(d) O2 water
