With different chemical arrangements and formation Of complex molecules, the life emerges on the level of the ??
A. Cells
B. Tissues
C. Organs
D. Organ System
Category: Biology Mcqs
The first antibiotic to be discovered was_____________??
A. Penicillin
B. Cephalosporin
C. Amino glycosides
D. Erythromycin
Cell membrane under resting conditions is impermeable to all the ions except_____________??
A. Na
B. K
C. Cl-
D. PO4-2
Which of the following statement about plants is incorrect??
A. All are eukaryotes
B. They are multicellular.
C. Non-motile organisms
D. They Are heterotrophes
A structure formed by groups of similar cells organized into loose sheets or bundles performing similar functions is called as:?
A. An organ
B. An organism
C. A Tissue
D. A Cell
Under a compound microscope chromosome is made of arms and___________??
A. Centromere
B. Centrosome
C. Chromatid
D. Centromere
Approximately _____ species of bacteria are known to cause diseases in humans.?
A. 100
B. 200
C. 300
D. 400
Which of the following promotes growth in plants??
A. Photorespiration
B. Calvin cycle
C. Both of these
D. None of these
Breaking of terminal phosphate of ATP releases about ___________ Kcal of energy??
A. 6.1
B. 6.3
C. 7.1
D. 7.3
Kangaroo rat most probably would be found in___________??
A. Tropical rain forest
B. Tundra
C. Grass land
D. Desert
