An infectious disorder of respiratory system is_________________?
A. Cancer
B. Asthma
C. Tuberculosis
D. Emphysema
Biology Mcqs
_________________ cells of phloem are directly involved in transport of organic solutes?
_________________ cells of phloem are directly involved in transport of organic solutes?
A. Parenchyma
B. Companion cell
C. Tracheid
D. Sieve element
95% of the cytoplasm of RBCs is____________?
95% of the cytoplasm of RBCs is____________?
A. Hemoglobin
B. Enzymes
C. Salts
D. Other proteins
An antibody is made of _________ polypeptide chains?
An antibody is made of _________ polypeptide chains?
A. 1
B. 2
C. 3
D. 4
______________ of earth surface is covered with water?
______________ of earth surface is covered with water?
A. 10%
B. 30%
C. 75%
D. 90%
Gaseous exchange in birds occurs at level of_______________?
Gaseous exchange in birds occurs at level of_______________?
A. Alveoli
B. Air sacs
C. Bronchi
D. Parabronchi
Animals of which class of arthropoda are present everywhere_____________?
Animals of which class of arthropoda are present everywhere_____________?
A. Crustacean
B. Insecta
C. Arachnida
D. Myriapoda
Red to orange pigments are_____________?
Red to orange pigments are_____________?
A. Carotenes
B. Carotenoids
C. Xanthophylls
D. Chlorophyll
Enterobius vermicularis is commonly known as____________?
Enterobius vermicularis is commonly known as____________?
A. Flatworm
B. worm
C. Hook worm
D. Tapeworm
Amphibians are considered to be evolved from___________?
Amphibians are considered to be evolved from___________?
A. Newts
B. Varanope
C. Dipnoi
D. Hagfishes