GK Questions on Plants with Answers – In today’s class we are going to discuss some Plants GK Questions Answers. Here we will discuss about topics like Cell, Photosynthesis, Chlorophyll, Autotrophs, Saprotrophs, Heterotrophs, Plant nutrients, Micro nutrients, Macro nutrients, Plant structure, etc.
GK Questions on Plants with Answers
# The thin outer layer of a Cell is called?
a. Nucleus
b. Cytoplasm
c. Cell membrane
Ans. c
# A spherical structure located at the centre of the cell is called?
a. Nucleus
b. Mitochondria
c. Cytoplasm
Ans. a
# A jelly like substance that surrounds the nucleus is called?
a. Cytoplasm
b. Cell wall
c. Protoplasm
Ans. a
# All human beings, animals and plants are _________ organisms?
a. Uni cellular
b. Multi cellular
c. Single celled
Ans. b
# The process by which an organism take food and utilize it in the body is called?
a. Digestion
b. Nutrition
c. Respiration
Ans. b
# When we observe the lower surface of the leaves through a magnifying lens, we can see numerous small openings. These openings are known as?
a. Midrib
b. Stomata
c. Veins
d. Lamina
Ans. b
# Which raw material is available in the air for photosynthesis?
a. Carbon dioxide
b. Oxygen
c. Hydrogen
d. Methane
Ans. a
General Knowledge Quiz on Plants (GK Quiz on Plants)
# Those organisms that make food by themselves are called?
a. Saprotrophs
b. Autotrophs
c. Heterotrophs
Ans. b
# Plants make their own food by using carbon dioxide, water and sunlight. So plants are called?
a. Saprotrophs
b. Autotrophs
c. Heterotrophs
Ans. b
# Organisms that rely on others for food and cannot make their own food are called?
a. Heterotrophs
b. Saprotrophs
c. Autotrophs
Ans. a
# Animals and human beings depend on plants in many ways for their food. So they are called?
a. Saprotrophs
b. Autotrophs
c. Heterotrophs
Ans. c
# The tiny cellular structure that are present inside a cell and perform specific functions that are important for the cell are called?
a. Organs
b. Organelles
c. Tissues
d. Roots
Ans. b
# The cell organelle that carries out Photosynthesis is called?
a. Chloroplast
b. Nucleus
c. Chromoplast
Ans. a
# Which plant part is called food factory?
a. Roots
b. Leaves
c. Stem
Ans. b
# __________ helps the leaves to use the sunlight for preparing food for the Plants?
a. Chloroplast
b. Chlorophyll
c. Chloroplasm
Plants GK Questions and Answers
# Which gas is released by plants in the photosynthesis process?
a. Oxygen
b. Nitrogen
c. Carbon dioxide
d. Methane
Ans. a
# Soils need to be enriched with which nutrients regularly?
a. Potassium
b. Nitrogen
c. Phosphorus
d. All the above
Ans. d
# Total number of nutrients which are essential for plants are?
a. 16
b. 17
c. 19
d. 20
Ans. b
# Out of these 17 essential nutrients, how many are macro nutrients and micro nutrients?
> Micro nutrients – 11
> Macro nutrients – 6
# A type of bacteria that converts atmospheric nitrogen into soluble form that can be utilized by plants is _________?
a. Rhizobium
b. Algae
c. Fungus
Ans. a
# The process by which atmospheric nitrogen is converted into form that can be used by plants is called?
a. Nitrogen respiration
b. Nitrogen fixation
c. Photosynthesis
Ans. b
# Organisms that reply on other dead and decaying matters for their food are called?
a. Autotrophs
b. Saprotrophs
c. Heterotrophs
Ans. b
# In the absence of which the Photosynthesis will not occur in leaves?
a. Vacuole
b. Chlorophyll
c. Guard cells
Ans. b
