Which of the following organism has both plant and animal-like features
Paramecium
Euglena
Amoeba
Spirogyra
Correct answer is B
No explanation has been provided for this answer.
a cell wall and a cytoplasm
a vacuole and a nucleus
non-cell membrane and chloroplast
a cell wall and chloroplast
Correct answer is D
No explanation has been provided for this answer.
Which of the following sequences is the correct evolutionary trend in plants?
Algae → liverworts → mosses → ferns
Liverworts → mosses → ferns → algae
mosses → algae → ferns → liverworts
Ferns → Liverworts → mosses → algae
Correct answer is A
No explanation has been provided for this answer.
Bees are of great importance to the farmer because they
provide him with honey
pollinate flowers
sting crop pests to death
destroy flowers by sucking nectar from them
Correct answer is B
No explanation has been provided for this answer.
What name is given to a sudden change in a gene or chromosome?
Allele
Genotype
Mutation
Phenotype
Correct answer is C
No explanation has been provided for this answer.