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Food from Plants and Animals MCQ. We covered all the MCQ content of the Food from Plants and Animals topic.
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Food from Plants and Animals MCQ for Students
Which condition is caused by a lack of protein in the diet?
a. marasmus
b. obesity
c. kwashiorkor
d. pellagra
Option c – kwashiorkor
A deficiency of vitamin A can lead to
a. xerophthalmia
b. rickets
c. anemia
d. scurvy
Option a – xerophthalmia
Lack of which vitamin results in pernicious anemia?
a. vitamin B2
b. vitamin B1
c. vitamin B3
d. vitamin B12
Option d – vitamin B12
Which of these is classified as a water-soluble vitamin?
a. vitamin E
b. vitamin K
c. vitamin B1 (thiamine)
d. vitamin A
Option c – vitamin B1 (thiamine)
In the half-leaf experiment, potassium hydroxide is used to
a. release oxygen
b. absorb carbon dioxide
c. absorb oxygen
d. release carbon dioxide
Option b – absorb carbon dioxide
What is the final form of protein after digestion?
a. glucose
b. maltose
c. glycerol
d. amino acids
Option d – amino acids
Which compounds are produced during the light-dependent phase of photosynthesis?
a. ATP and NADPH
b. ADP and glucose
c. glucose and carbon dioxide
d. NADPH and oxygen
Option a – ATP and NADPH
Which organism absorbs nutrients using a parasitic method?
a. plants
b. dog
c. cuscuta
d. leeches
Option c – cuscuta
Which factor does not influence the rate of photosynthesis?
a. light intensity
b. humidity
c. temperature
d. carbon dioxide levels
Option b – humidity
Before a photosynthesis experiment, a plant is kept in the dark for two days to
a. remove chlorophyll
b. deplete stored starch
c. ensure photosynthesis doesn’t happen
d. make leaves free from starch
Option d – make leaves free from starch
Which digestive secretion lacks enzymes?
a. bile
b. gastric juice
c. pancreatic juice
d. saliva
Option a – bile
How do single-celled organisms take in food?
a. entire body surface
b. mouth
c. teeth
d. vacuoles
Option a – entire body surface
Which part of the plant allows carbon dioxide to enter for photosynthesis?
a. root hair
b. stomata
c. leaf veins
d. sepals
Option b – stomata
Autotrophs are organisms that
a. depend on others for food
b. hunt prey
c. produce their own food
d. cannot make their own food
Option c – produce their own food
Which process captures energy from sunlight?
a. photosynthesis
b. respiration
c. reproduction
d. excretion
Option a – photosynthesis
What is released during the process of photosynthesis?
a. oxygen
b. carbon dioxide
c. light
d. energy
Option a – oxygen
Iodine solution is used to test the presence of
a. glucose
b. light
c. starch
d. carbon dioxide
Option c – starch
In which part of the plant cell does photosynthesis take place?
a. chloroplast
b. mitochondria
c. cytoplasm
d. nucleus
Option a – chloroplast
Melvin Calvin was awarded the Nobel Prize for his research on
a. light-dependent reactions
b. plant hormones
c. light-independent reactions
d. photosystems
Option c – light-independent reactions
Plants appear green because they
a. reflect green light
b. absorb green light
c. refract green light
d. block ultraviolet rays
Option a – reflect green light
What percentage of the atmosphere is made up of carbon dioxide?
a. 0.01%
b. 0.02%
c. 0.03%
d. 0.1%
Option c – 0.03%
What is formed as the final product in the dark phase of photosynthesis?
a. PGA
b. carbon dioxide
c. glucose
d. ATP
Option c – glucose
Which of the following cannot be performed by animals?
a. respiration
b. photosynthesis
c. reproduction
d. digestion
Option b – photosynthesis
Which plant is known to be parasitic?
a. cuscuta
b. amoeba
c. paramecium
d. euglena
Option a – cuscuta
Which enzyme is found in human saliva?
a. lipase
b. sucrose
c. pepsin
d. ptyalin
Option d – ptyalin
Which digestive fluid assists in breaking down fats?
a. ptyalin
b. bile
c. intestinal juice
d. gastric juice
Option b – bile
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