Another name for a fertilized egg is a
placenta
zygote
foetus
ovum
Correct answer is B
When the male sperm and female egg come together, it becomes a fertilized egg or cell i.e. a zygote.
Which of the following is not a pest of crops?
Bird
Rodent
Bed bug
Grasshopper
Correct answer is C
Bed bugs do not affect plants. They only affect animals.
Annelida
Mollusca
Echinodermata
nematoda
Correct answer is B
The class Gastropoda (in Phylum Mollusca) includes the groups containing snails and slugs.
The basic functional unit of the kidney is the
nephron
bowman’s capsule
glomerulus
loop of henle
Correct answer is A
The nephron is the part of the kidney that performs osmoregulation in humans i.e. the nephron takes care of the formation of urine.
The following exist as free-living organisms except
Amoeba
Chlamydomonas
Euglena
Spirogyra
Correct answer is D
Spirogyra exist as filaments that occur in rows or chains.