The secchi disc is used to measure
speed of flow of water
specific gravity of water
turbidity of water
depth of water
Correct answer is C
No explanation has been provided for this answer.
Which of the following is not a biotic factor?
Parasites
Predators
Grazers
Pressure
Correct answer is D
No explanation has been provided for this answer.
Which of the following organisms can be found in fresh water habitat?
Sargassum and dog fish
Red mangrove and pond skater
Sargassum and red mangrove
Spirogyra and pond skater
Correct answer is D
No explanation has been provided for this answer.
Desert plants are usually called
hydrophytes
mesophytes
xerophytes
sporophytes
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements is true?
Ptyalin acts on proteins to give amino acid
Lactase acts on maltose to give amino acid
Pepsin acts on proteins to give peptide
Peptide acts on starch to give maltose
Correct answer is C
No explanation has been provided for this answer.