In this section you will find thousands of questions of Biology, how to solve each of the questions and the correct answer.
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The barrier between maternal and foetal blood is the
placenta
liver
umbilical chord
uterine wall
Mycorrhizae promote plant growth by
absorbing inorganic ions from the soil
protecting it from infection
helping it to utilize atmospheric nitrogen
serving as a growth regulator
A food chain always begins with a
consumer
decomposer
producer
primary consumer
I. Stomata → Spirogyro
II. Alveoli → Earthworm
III. Malpighian tubule → Mammal
IV. Contractile vacuole → Protozoa
Which of the above structures is correctly matched with the organisms in which it is found?
III
II
I
IV
The part of the human gut that has an acidic content is the
stomach
duodenum
ileum
colon
