Number of spiracles present in cockroach is___________??
A. 15
B. 10
C. 20
D. 30
Category: Biology Mcqs
Photosynthesis carried out by terrestrial plants is _________ of total photosynthesis??
A. 1-2%
B. 5%
C. 10%
D. 20%
In which animal respiratory surface are found in more than one organ??
A. birds
B. human
C. fish
D. frog
Constricting ring around nematode is formed by_____________??
A. Arthrobotrys
B. Pleurotus ostreatus
C. Mildews
D. All of these
The study of fossils is called??
A. Environmental Biology
B. Historical biology
C. Palaeontology
D. Social biology
Of the following, which one is better respiratory medium___________??
A. Air
B. Water
C. Soil
D. None of these
The molecules of living matter that provide building blocks are mostly based on:?
A. Carbon
B. Nitrogen
C. Hydrogen
D. Ammonia
Lipids are soluble in which of the following_______________??
A. Water
B. Ether
C. All solvents
D. Not in any of the above
Carbohydrates, fats
A. Metabolic processes of an organism
B. Providing energy
C. Formation of sturctures
D. All of these
Which of the following fishes contained lungs??
A. Lamprey
B. Perch
C. Plaice
D. Dipnoi
