Class 7 GK Questions Science – Nutrition in Plants
Class 7 GK Questions Answers – Welcome to GKcoaching.in! In today’s class we will discuss some Class 7 GK Questions. Here we will discuss the chapter ‘Nutrition in Plants‘ from Science book. The GK Questions are from topics like Photosynthesis, Parts of Plants and their functions, Cell, Nucleus, Autotrophs, Heterotrophs, Saprotrophs, etc.
Class 7 GK Questions – Nutrition in Plants Class 7 Questions Answers
# Carbohydrates, Fats, Proteins, Vitamins and Minerals are types of?
a. Fats
b. Nutrients
c. Vegetables
d. Diet
Ans. b
# The process/mode of taking food by an organism and utilizing it by the body is called?
a. Assimilation
b. Nutrition
c. Digestion
d. Respiration
Ans. b
# Organisms which are capable of making their own food by the process of Photosynthesis are called?
a. Autotrophs
b. Heterotrophs
c. Saprotrophs
Ans. a
> Example – Plants
# Organisms that feed on dead and decay organisms/substances to obtain their nutrition are called?
a. Heterotrophs
b. Saprotrophs
c. Autotrophs
Ans. b
> Examples – Bacteria, Fungi
# Organisms that feed on other organisms/plants and obtain their nutrition are called?
a. Autotrophs
b. Heterotrophs
c. Saprotrophs
Ans. b
> Example – Animals
# The mode of nutrition in which organisms make food by themselves is called?
a. Heterotrophic
b. Autotrophic
c. Saprotrophic
Ans. b
# The ultimate source of energy for all living organisms is?
a. Minerals
b. Sun
c. Moon
d. Vitamins
Ans. b
# During the process of Photosynthesis, which gas is released?
a. Carbon dioxide
b. Methane
c. Oxygen
d. Carbon monoxide
Ans. c
# During the process of Photosynthesis, which gas is absorbed?
a. Carbon dioxide
b. Methane
c. Oxygen
d. Carbon monoxide
Ans. a
# Starch is a type of _____________?
a. Minerals
b. Proteins
c. Vitamins
d. Carbohydrates
Ans. d
Class 7 GK Questions – Nutrition in Plants Class 7 Notes
# Which part of a plant is known as Food Factory?
a. Roots
b. Leaves
c. Stem
d. Branches
Ans. b
> Leaves contains Chlorophyll which helps in the Photosynthesis process
# Which part of the plant absorb water and minerals from the soil?
a. Branches
b. Roots
c. Leaves
d. Fruits
Ans. b
# The smallest unit of an organism is called?
a. Cell
b. Chromosome
c. Membrane
d. Tissue
Ans. a
# The cell is enclosed by a thin outer boundary called?
a. Cellulose
b. Tissue
c. Cell membrane
d. Cell tissue
Ans. c
# A cell has a distinct, centrally located spherical structure known as?
a. Centrosome
b. Nucleus
c. Golgi bodies
d. Membrane
Ans. b
# Who is the founder of Nucleus in a Cell?
a. Walther Flemming
b. Robert Brown
c. Charles Darwin
d. E. Rutherford
Ans. b
# Carbon dioxide from the air is taken by which part of the plants?
a. Roots
b. Leaves
c. Stem
d. Fruits
Ans. b
# Carbon dioxide from the air is taken by tiny pores present in the leaves. These pores are called?
a. Tissue
b. Stomata
c. Cell
d. Membrane
Ans. b
Class 7 GK Questions Answers – Nutrition in Plants Class 7 MCQ
# Who is the founder of Cell?
a. Robert Brown
b. Robert Hook
c. E. Rutherford
d. Charles Darwin
Ans. b
# The nucleus is surrounded by a jelly like substance which is called?
a. Centrosome
b. Cytoplasm
c. Nucleoplasm
d. Vacoule
Ans. b
# Water and minerals are transported to the leaves in a plant by?
a. Nucleus
b. Vessels
c. Nucleoplasm
d. Vacoule
Ans. b
> These vessels run like pipes throughout the stem, root, branches and leaves
# The leaves have a green colour pigment called?
a. Chlorophyll
b. Vessels
c. Xylem
d. Nucleus
Ans. a
# Which of the following helps the leaves of a plant to capture the light energy coming from the sun?
a. Stem
b. Roots
c. Chlorophyll
d. Cell
Ans. c
# Plants prepare their food in the presence of sunlight, this process is called?
a. Respiration
b. Photosynthesis
c. Digestion
d. Oxidation
Ans. b
# From the following which one is not required in the process of Photosynthesis?
a. Sunlight
b. Oxygen
c. Chlorophyll
d. Water
Ans. b
# The green patches in stagnant water bodies or ponds are generally formed by the growth of?
a. Fungi
b. Algae
c. Bacteria
d. Virus
Ans. b
# From the following which one is a nitrogenous substance which contains nitrogen?
a. Fats
b. Proteins
c. Minerals
d. Carbohydrates
Ans. b
# Which of the following gas is present in abundance in the air?
a. Oxygen
b. Carbon dioxide
c. Nitrogen
d. Hydrogen
Ans. c
# Which of the following converts gaseous nitrogen into usable form (nitrates) and release it into the soil?
a. Fungi
b. Bacteria
c. Algae
d. Virus
Ans. b
> The name of the bacteria is Rhizobium
# The fungal spores are generally present in the?
a. Water
b. Soil
c. Air
d. Leaves
> For example, Bread gets decayed after some days due to fungal reaction
